Thymus Gland
A single, unpaired primary lymphoid organ situated in the MEDIASTINUM, extending superiorly into the neck to the lower edge of the THYROID GLAND and inferiorly to the fourth costal cartilage. It is necessary for normal development of immunologic function early in life. By puberty, it begins to involute and much of the tissue is replaced by fat.
Thymus Hyperplasia
Enlargement of the thymus. A condition described in the late 1940's and 1950's as pathological thymic hypertrophy was status thymolymphaticus and was treated with radiotherapy. Unnecessary removal of the thymus was also practiced. It later became apparent that the thymus undergoes normal physiological hypertrophy, reaching a maximum at puberty and involuting thereafter. The concept of status thymolymphaticus has been abandoned. Thymus hyperplasia is present in two thirds of all patients with myasthenia gravis. (From Segen, Dictionary of Modern Medicine, 1992; Cecil Textbook of Medicine, 19th ed, p1486)
Pancreatic Neoplasms
Tumors or cancer of the PANCREAS. Depending on the types of ISLET CELLS present in the tumors, various hormones can be secreted: GLUCAGON from PANCREATIC ALPHA CELLS; INSULIN from PANCREATIC BETA CELLS; and SOMATOSTATIN from the SOMATOSTATIN-SECRETING CELLS. Most are malignant except the insulin-producing tumors (INSULINOMA).
Neoplasms
Neoplasms, Cystic, Mucinous, and Serous
Thymus Extracts
Thymus Hormones
Neoplasms, Multiple Primary
T-Lymphocytes
Lymphocytes responsible for cell-mediated immunity. Two types have been identified - cytotoxic (T-LYMPHOCYTES, CYTOTOXIC) and helper T-lymphocytes (T-LYMPHOCYTES, HELPER-INDUCER). They are formed when lymphocytes circulate through the THYMUS GLAND and differentiate to thymocytes. When exposed to an antigen, they divide rapidly and produce large numbers of new T cells sensitized to that antigen.
Neoplasms, Second Primary
Abnormal growths of tissue that follow a previous neoplasm but are not metastases of the latter. The second neoplasm may have the same or different histological type and can occur in the same or different organs as the previous neoplasm but in all cases arises from an independent oncogenic event. The development of the second neoplasm may or may not be related to the treatment for the previous neoplasm since genetic risk or predisposing factors may actually be the cause.
Adenocarcinoma, Mucinous
Myeloproliferative Disorders
Immunohistochemistry
Cystadenoma
Neoplasms, Experimental
Neoplasms, Connective and Soft Tissue
Neoplasms, Plasma Cell
Cystadenoma, Mucinous
Ovarian Neoplasms
Thymoma
A neoplasm originating from thymic tissue, usually benign, and frequently encapsulated. Although it is occasionally invasive, metastases are extremely rare. It consists of any type of thymic epithelial cell as well as lymphocytes that are usually abundant. Malignant lymphomas that involve the thymus, e.g., lymphosarcoma, Hodgkin's disease (previously termed granulomatous thymoma), should not be regarded as thymoma. (From Stedman, 25th ed)
Gastrointestinal Neoplasms
Neoplasms, Radiation-Induced
Carcinoma, Pancreatic Ductal
Neoplasms, Vascular Tissue
Adenocarcinoma, Papillary
Carcinoma, Papillary
Neoplasm Proteins
Proteins whose abnormal expression (gain or loss) are associated with the development, growth, or progression of NEOPLASMS. Some neoplasm proteins are tumor antigens (ANTIGENS, NEOPLASM), i.e. they induce an immune reaction to their tumor. Many neoplasm proteins have been characterized and are used as tumor markers (BIOMARKERS, TUMOR) when they are detectable in cells and body fluids as monitors for the presence or growth of tumors. Abnormal expression of ONCOGENE PROTEINS is involved in neoplastic transformation, whereas the loss of expression of TUMOR SUPPRESSOR PROTEINS is involved with the loss of growth control and progression of the neoplasm.
Lymphoid Tissue
Testicular Neoplasms
Neoplasms, Muscle Tissue
Neoplasms, Glandular and Epithelial
Thymocytes
Antigens, Neoplasm
Cystadenocarcinoma, Mucinous
A malignant cystic or semisolid tumor most often occurring in the ovary. Rarely, one is solid. This tumor may develop from a mucinous cystadenoma, or it may be malignant at the onset. The cysts are lined with tall columnar epithelial cells; in others, the epithelium consists of many layers of cells that have lost normal structure entirely. In the more undifferentiated tumors, one may see sheets and nests of tumor cells that have very little resemblance to the parent structure. (Hughes, Obstetric-Gynecologic Terminology, 1972, p184)
Soft Tissue Neoplasms
Hematologic Neoplasms
Neoplasms, Adnexal and Skin Appendage
Neoplasm Staging
Vascular Neoplasms
Cell Differentiation
Palatal Neoplasms
Cystadenocarcinoma
A malignant neoplasm derived from glandular epithelium, in which cystic accumulations of retained secretions are formed. The neoplastic cells manifest varying degrees of anaplasia and invasiveness, and local extension and metastases occur. Cystadenocarcinomas develop frequently in the ovaries, where pseudomucinous and serous types are recognized. (Stedman, 25th ed)
Mice, Inbred Strains
Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations, or by parent x offspring matings carried out with certain restrictions. All animals within an inbred strain trace back to a common ancestor in the twentieth generation.
Dog Diseases
Heart Neoplasms
Cystadenoma, Serous
A cystic tumor of the ovary, containing thin, clear, yellow serous fluid and varying amounts of solid tissue, with a malignant potential several times greater than that of mucinous cystadenoma (CYSTADENOMA, MUCINOUS). It can be unilocular, parvilocular, or multilocular. It is often bilateral and papillary. The cysts may vary greatly in size. (Dorland, 27th ed; from Hughes, Obstetric-Gynecologic Terminology, 1972)
Tumor Markers, Biological
Molecular products metabolized and secreted by neoplastic tissue and characterized biochemically in cells or body fluids. They are indicators of tumor stage and grade as well as useful for monitoring responses to treatment and predicting recurrence. Many chemical groups are represented including hormones, antigens, amino and nucleic acids, enzymes, polyamines, and specific cell membrane proteins and lipids.
Cattle
T-Lymphocyte Subsets
Neoplasms, Germ Cell and Embryonal
Bone Marrow Neoplasms
Lymphocytes
White blood cells formed in the body's lymphoid tissue. The nucleus is round or ovoid with coarse, irregularly clumped chromatin while the cytoplasm is typically pale blue with azurophilic (if any) granules. Most lymphocytes can be classified as either T or B (with subpopulations of each), or NATURAL KILLER CELLS.
Mice, Transgenic
Neoplasms, Adipose Tissue
Colorectal Neoplasms
Meningeal Neoplasms
Lymph Nodes
Myasthenia Gravis
A disorder of neuromuscular transmission characterized by weakness of cranial and skeletal muscles. Autoantibodies directed against acetylcholine receptors damage the motor endplate portion of the NEUROMUSCULAR JUNCTION, impairing the transmission of impulses to skeletal muscles. Clinical manifestations may include diplopia, ptosis, and weakness of facial, bulbar, respiratory, and proximal limb muscles. The disease may remain limited to the ocular muscles. THYMOMA is commonly associated with this condition. (Adams et al., Principles of Neurology, 6th ed, p1459)
Flow Cytometry
Technique using an instrument system for making, processing, and displaying one or more measurements on individual cells obtained from a cell suspension. Cells are usually stained with one or more fluorescent dyes specific to cell components of interest, e.g., DNA, and fluorescence of each cell is measured as it rapidly transverses the excitation beam (laser or mercury arc lamp). Fluorescence provides a quantitative measure of various biochemical and biophysical properties of the cell, as well as a basis for cell sorting. Other measurable optical parameters include light absorption and light scattering, the latter being applicable to the measurement of cell size, shape, density, granularity, and stain uptake.
Receptors, Antigen, T-Cell
Molecules on the surface of T-lymphocytes that recognize and combine with antigens. The receptors are non-covalently associated with a complex of several polypeptides collectively called CD3 antigens (ANTIGENS, CD3). Recognition of foreign antigen and the major histocompatibility complex is accomplished by a single heterodimeric antigen-receptor structure, composed of either alpha-beta (RECEPTORS, ANTIGEN, T-CELL, ALPHA-BETA) or gamma-delta (RECEPTORS, ANTIGEN, T-CELL, GAMMA-DELTA) chains.
Antigens, CD8
Fetus
Immunophenotyping
Carcinoma, Acinar Cell
A malignant tumor arising from secreting cells of a racemose gland, particularly the salivary glands. Racemose (Latin racemosus, full of clusters) refers, as does acinar (Latin acinus, grape), to small saclike dilatations in various glands. Acinar cell carcinomas are usually well differentiated and account for about 13% of the cancers arising in the parotid gland. Lymph node metastasis occurs in about 16% of cases. Local recurrences and distant metastases many years after treatment are common. This tumor appears in all age groups and is most common in women. (Stedman, 25th ed; Holland et al., Cancer Medicine, 3d ed, p1240; from DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p575)
Carcinoma
Spinal Cord Neoplasms
Benign and malignant neoplasms which occur within the substance of the spinal cord (intramedullary neoplasms) or in the space between the dura and spinal cord (intradural extramedullary neoplasms). The majority of intramedullary spinal tumors are primary CNS neoplasms including ASTROCYTOMA; EPENDYMOMA; and LIPOMA. Intramedullary neoplasms are often associated with SYRINGOMYELIA. The most frequent histologic types of intradural-extramedullary tumors are MENINGIOMA and NEUROFIBROMA.
Bone Marrow
The soft tissue filling the cavities of bones. Bone marrow exists in two types, yellow and red. Yellow marrow is found in the large cavities of large bones and consists mostly of fat cells and a few primitive blood cells. Red marrow is a hematopoietic tissue and is the site of production of erythrocytes and granular leukocytes. Bone marrow is made up of a framework of connective tissue containing branching fibers with the frame being filled with marrow cells.
Neoplasm Metastasis
Adenoma, Oxyphilic
A usually benign glandular tumor composed of oxyphil cells, large cells with small irregular nuclei and dense acidophilic granules due to the presence of abundant MITOCHONDRIA. Oxyphil cells, also known as oncocytes, are found in oncocytomas of the kidney, salivary glands, and endocrine glands. In the thyroid gland, oxyphil cells are known as Hurthle cells and Askanazy cells.
Neoplasm Recurrence, Local
Nervous System Neoplasms
Tomography, X-Ray Computed
Janus Kinase 2
A Janus kinase subtype that is involved in signaling from GROWTH HORMONE RECEPTORS; PROLACTIN RECEPTORS; and a variety of CYTOKINE RECEPTORS such as ERYTHROPOIETIN RECEPTORS and INTERLEUKIN RECEPTORS. Dysregulation of Janus kinase 2 due to GENETIC TRANSLOCATIONS have been associated with a variety of MYELOPROLIFERATIVE DISORDERS.
Muscle Neoplasms
Hemangiosarcoma
DNA
A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine).
B-Lymphocytes
Myelodysplastic-Myeloproliferative Diseases
Lymphopoiesis
Formation of LYMPHOCYTES and PLASMA CELLS from the lymphoid stem cells which develop from the pluripotent HEMATOPOIETIC STEM CELLS in the BONE MARROW. These lymphoid stem cells differentiate into T-LYMPHOCYTES; B-LYMPHOCYTES; PLASMA CELLS; or NK-cells (KILLER CELLS, NATURAL) depending on the organ or tissues (LYMPHOID TISSUE) to which they migrate.
Peripheral Nervous System Neoplasms
Tumorigenicity of mouse thymoma is suppressed by soluble type II transforming growth factor beta receptor therapy. (1/1008)
Many types of tumor cells overexpress transforming growth factor beta (TGF-beta), which is believed to promote tumor progression. We hypothesized that overexpression of the extracellular region of the type II TGF-beta receptor (soluble TbetaRII) would compete for or block TGF-beta binding to TbetaRs on immune cells, preventing TGF-beta-mediated immunosuppression and consequently resulting in the eradication of tumor cells. We tested this in the mouse thymoma cell line EL4, which has been reported to suppress cellular immunity by secreting a large amount of TGF-beta. Transduction of EL4 with recombinant retrovirus encoding soluble TbetaRII resulted in the secretion of heterogeneously glycosylated, 25 to 35 kDa truncated TbetaRII. Inoculation of 1 x 10(4) to 5 x 10(4) soluble TbetaRII-modified EL4 cells (EL4/Ts, EL4 cells transduced with recombinant retrovirus encoding soluble TbetaRII and neomycin resistance gene) s.c. to mice showed reduced tumorigenicity, as indicated by lower overall tumor incidence (7%, 1 of 14; P < 0.001) compared with unmodified EL4 (100%, 9 of 9) or vector-modified EL4 cells (EL4/neo, EL4 cells transduced with recombinant retrovirus encoding neomycin resistance gene; 100%, 4 of 4). Administration of mitomycin C-treated EL4/Ts cells (1 x 10(6)) after EL4 inoculation (1 x 10(4)) reduced tumor incidence from 100% (5 of 5 in mice inoculated with mitomycin C-treated EL4/neo) to 40% (4 of 10, P < 0.05), indicating that supply of soluble TbetaRII could actually block TGF-beta-mediated tumorigenesis. In vitro tumor cytotoxicity assays revealed 3-5-fold higher cytotoxic activity with lymphocytes from EL4/Ts-bearing mice compared with those from EL4- or EL4/neo-bearing mice, indicating that the observed tumor rejection was mediated by restoration of the tumor-specific cellular immunity. These data suggest that expression of soluble TbetaRII is an effective strategy for treating highly progressive tumors secreting TGF-beta. (+info)Invasive thymoma with long-term survival by extensive reoperation. (2/1008)
The recurrence of invasive thymoma is often observed; however, no accepted treatment of recurrent invasive thymoma has yet been established. We herein report a 41-year-old woman with invasive thymoma and pleural dissemination who demonstrated long-term survival after undergoing 4 operations. Based on our findings, reoperation is thus suggested in patients with intrathoracic recurrence and long-term survival can be expected. (+info)Primary mediastinal malignancies: findings in 219 patients. (3/1008)
The purpose of this study was to determine the demographics, histology, methods of treatment, and survival in primary mediastinal malignancies. We did a retrospective review of the statewide New Mexico Tumor Registry for all malignant tumors treated between January 1, 1973 and December 31, 1995. Benign tumors and cysts of the mediastinum were excluded. Two hundred nineteen patients were identified from a total of 110,284 patients with primary malignancies: 55% of tumors were lymphomas, 16% malignant germ cell tumors, 14% malignant thymomas, 5% sarcomas, 3% malignant neurogenic tumors, and 7% other tumors. There were significant differences in gender between histologies (P < 0.001). Ninety-four percent of germ cell tumors occurred in males, 66% of neurogenic tumors were in females; other tumors occurred in males in 58% of cases. There were also significant differences in ages by histology (P < 0.001). Neurogenic tumors were most common in the first decade, lymphomas and germ cell tumors in the second to fourth decades, and lymphomas and thymomas in patients in their fifth decades and beyond. Stage at presentation (P = 0.001) and treatment (P < 0.001) also differed significantly between histologic groups. Five-year survival was 54% for lymphomas, 51% for malignant germ cell tumors, 49% for malignant thymomas, 33% for sarcomas, 56% for neurogenic tumors, and 51% overall. These survival rates were not statistically different (P > 0.50). Lymphomas, malignant germ cell tumors, and thymomas were the most frequently encountered malignant primary mediastinal neoplasms in this contemporary series of patients. Demographics, stage at presentation, and treatment modality varied significantly by histology. Despite these differences, overall five-year survival was not statistically different. (+info)Promoter element for transcription of unrearranged T-cell receptor beta-chain gene in pro-T cells. (4/1008)
The hallmark of T- and B-lymphocyte development is the rearrangement of variable (V), diversity (D), and joining (J) segments of T-cell receptor (TCR) and immunoglobulin (Ig) genes to generate a diverse repertoire of antigen receptor specificities in the immune system. The process of V(D)J recombination is shared in the rearrangement of all seven antigen receptor genes and is controlled by changes in chromatin structure, which regulate accessibility to the recombinase apparatus in a lineage- and stage-specific manner. These chromatin changes are linked to transcription of the locus in its unrearranged (germline) configuration. To understand how germline transcription of the TCRbeta-chain gene is regulated, we determined the structure of germline transcripts initiating near the Dbeta1 segment and identified a promoter within this region. The Dbeta1 promoter is active in the presence of the TCRbeta enhancer (Ebeta), and in this context, exhibits preferential activity in pro-T versus mature T-cell lines, as well as T- versus B-lineage specificity. These studies provide insight into the developmental regulation of TCRbeta germline transcription, one of the earliest steps in T-cell differentiation. (+info)Gastroenteropancreatic neuroendocrine tumor metastases to the thyroid gland: differential diagnosis with medullary thyroid carcinoma. (5/1008)
Neuroendocrine tumors (NET) of the thyroid gland are rare. Apart from medullary thyroid carcinoma (MTC), metastases of gastroenteropancreatic (GEP) NET may also occur. Features of six patients (five men, one female: age range, 39-67 years) with thyroid metastases from a GEP-NET are described. Thyroid metastases were bilateral in all patients and were associated with enlarged neck lymph nodes in five. In four cases, the thyroid tumor was either the first sign of the disease (n = 2) or was an isolated site of recurrence (n = 2). The tumors were well (n = 3) or poorly differentiated (n = 3). Five tumors for which the primary site could be determined corresponded to foregut-derived tumors (3 lungs, 1 thymus and 1 pancreatic NET). One tumor demonstrated calcitonin (CT) production as shown by immunohistochemistry and elevated plasma CT levels. However, the disease history and the clinical features strongly favored a metastasizing GEP-NET. No tumoral RET proto-oncogene mutation was found in this patient. The differential diagnosis between metastatic GEP-NET and MTC is crucial because prognosis, work-up, and treatment differ greatly. (+info)Dermatomyositis associated with invasive thymoma. (6/1008)
We report a case of dermatomyositis (DM) associated with invasive thymoma in a 22-year-old woman who was admitted to our hospital complaining of dyspnea which required ventilation support. The reddened elevated scaly eruptions were prominent over the extensor surfaces. Chest X-ray and computed tomography showed mediastinal masses, which were diagnosed as mixed type thymoma. Muscle and skin biopsy specimens were compatible with DM. She was treated with methylprednisolone pulse therapy followed by extended removal of the anterior mediastinal tumor and subsequent radiotherapy. She has had a good clinical course without recurrence of thymoma or DM for more than 3 years. The role of thymoma in the development of DM is discussed. (+info)Novel endogenous type D retroviral particles expressed at high levels in a SCID mouse thymic lymphoma. (7/1008)
A xenograft model of the human disease Langerhans cell histiocytosis (LCH) was investigated with severe combined immunodeficiency (SCID) mice. Transplantation of human LCH biopsy material into SCID mice resulted in the generation of mouse tumors resembling lymphomas. A thymoma cell line (ThyE1M6) was generated from one of these mice and found to display significant levels of Mg2+-dependent reverse transcriptase activity. Electron microscopy revealed particles with type D retroviral morphology budding from ThyE1M6 cells at a high frequency, whereas control cultures were negative. Reverse transcription-PCR of virion RNA with degenerate primers for conserved regions of various mouse, human, and primate retroviruses amplified novel sequences related to primate type D retroviruses, murine intracisternal A particles, Jaagsiekte sheep retrovirus, and murine long interspersed nuclear elements but not other retroviral classes. We demonstrate that these sequences represent a novel group of endogenous retroviruses expressed at low levels in mice but expressed at high levels in the ThyE1M6 cell line. Furthermore, we propose that the activation of endogenous retroviral elements may be associated with a high incidence of thymomas in SCID mice. (+info)Sequences between the enhancer and promoter in the long terminal repeat affect murine leukemia virus pathogenicity and replication in the thymus. (8/1008)
We previously showed that the 93-bp region between the enhancer and promoter (named DEN for downstream of enhancer) of the long terminal repeat (LTR) of the MCF13 murine leukemia virus is an important determinant of the ability of this virus to induce thymic lymphoma. In this study we observed that DEN plays a role in the regulation of virus replication in the thymus during the preleukemic period. A NF-kappaB site in the DEN region partially contributes to the effect of DEN on both lymphomagenicity and virus replication. To further study the effects of DEN and the NF-kappaB site on viral pathogenicity during the preleukemic period, we examined replication of wild-type and mutant viruses with a deletion of the NF-kappaB site or the entire DEN region in the thymus. Thymic lymphocytes which were infected with wild-type and mutant viruses were predominantly the CD3(-) CD4(+) CD8(+) and CD3(+) CD4(+) CD8(+) cells. The increase in infection by wild-type virus and both mutant viruses of these two subpopulations during the preleukemic period ranged from 9- to 84-fold, depending upon the time point and virus. The major difference between the wild-type and both mutant viruses was the lower rate and lower level of mutant virus replication in these thymic subpopulations. Significant differences in replication between wild-type and both mutant viruses were seen in the CD3(-) CD4(+) CD8(+) and CD3(-) CD4(-) CD8(-) subpopulations, suggesting that these thymic cell types are important targets for viral transformation. (+info)
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MEN1
The MEN1 phenotype is inherited via an autosomal-dominant pattern and is associated with neoplasms of the pituitary gland, the ... Less frequently, neuroendocrine tumors of lung, thymus, and stomach or non-endocrine tumors such as lipomas, angiofibromas, and ... ependymomas are observed neoplasms. In a study of 12 sporadic carcinoid tumors of the lung, five cases involved inactivation of ...
Carcinoma
8560-8580) Complex epithelial neoplasms. Carcinoma In situ[edit]. The term carcinoma in situ (or CIS) is a term for cells that ... 2004). Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart (PDF). World Health Organization Classification ... and imaging studies in a logical fashion to obtain information about the size of the neoplasm and the extent of its invasion ... or other notable characteristics consistent with a more highly differentiated neoplasm. ...
T-Cell Acute Lymphoblastic Leukemia
T-Cell Lymphoblastic Leukemia (T-ALL) is a type of acute lymphoblastic leukemia with aggressive malignant neoplasm of the bone ... Patients with immature thymocytes in the thymus begins T-ALL development. Furthermore, hereditary conditions such as Down ... T-ALL is a precursor for lymphoid neoplasm. Its clinical presentation most commonly includes infiltration of the central ... nervous system (CNS), and further identifies mediastinal mass presence originating from the thymus, along with extramedullary ...
C37
... a malignant neoplasm of thymus ICD-10 code Caldwell 37 (NGC 6885), an open cluster in the constellation Vulpecula This ...
Extramedullary hematopoiesis
EMH in the lymph nodes is usually associated with underlying hematopoietic neoplasms. Myeloproliferative neoplasms (MPNs) tend ... The following tissues may also be associated with EMH: thymus, heart, breast, prostate, fatty tissue, adrenal glands, kidney, ... Other manifestations occur in the thymus, heart, breast, prostate, broad ligaments, kidneys, adrenal glands, pleura, ... para-nasal sinuses and numerous types of benign/malignant neoplasms. The most common sites of EMH associated with neoplastic ...
List of diseases (T)
... mental retardation Thymic carcinoma Thymic epithelial tumor Thymic renal anal lung dysplasia Thymoma Thymus neoplasm ... Temtamy-Shalash syndrome TEN Ter Haar-Hamel-Hendricks syndrome Ter Haar syndrome Teratocarcinosarcoma Teratoma Testes neoplasm ... syndrome Tolosa-Hunt syndrome Toluene antenatal infection Tomaculous neuropathy Tome-Brune-Fardeau syndrome Tongue neoplasm ... Trisomy 14 mosaicism Trisomy 2 mosaicism Trisomy 3 mosaicism Trisomy 6 Trisomy Trochlear dysplasia Trophoblastic Neoplasms ( ...
Thymus
ISBN 0-7020-2606-9. Huete-Garin, A.; S.S. Sagel (2005). "Chapter 6: "Mediastinum", Thymic Neoplasm". In J.K.T. Lee; S.S. Sagel ... Thymus of a fetus On chest X-ray, the thymus appears as a radiodense (brighter in this image) mass by the upper lobe of the ... In children the thymus is grayish-pink in colour and in adults it is yellow. The thymus consists of two lobes, merged in the ... The thymus is largest and most active during the neonatal and pre-adolescent periods. By the early teens, the thymus begins to ...
List of ICD-9 codes 140-239: neoplasms
... unspecified 163 Malignant neoplasm of pleura 164 Malignant neoplasm of thymus, heart, and mediastinum 165 Malignant neoplasm of ... 140 Malignant neoplasm of lip 141 Malignant neoplasm of tongue 142 Malignant neoplasm of major salivary glands 143 Malignant ... benign neoplasm of uterus 220 Benign neoplasm of ovary 221 Benign neoplasm of other female genital organs 222 Benign neoplasm ... neoplasm of oropharynx 147 Malignant neoplasm of nasopharynx 148 Malignant neoplasm of hypopharynx 149 Malignant neoplasm of ...
Acinic cell carcinoma of the lung
... is a very rare malignant neoplasm originating from bronchial glands. It is classified as a ... 2004). Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart (PDF). World Health Organization Classification ...
Squamous cell carcinoma
2004). Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart (PDF). World Health Organization Classification ... Berman JJ (November 2004). "Tumor taxonomy for the developmental lineage classification of neoplasms". BMC Cancer. 4 (1): 88. ... system lists a number of morphological subtypes and variants of malignant squamous cell neoplasms, including: Papillary thyroid ...
Lymphoma
Historically, mature histiocytic and dendritic cell (HDC) neoplasms have been considered mature lymphoid neoplasms, since these ... CD7 It often presents as a mediastinal mass because of involvement of the thymus. It is highly associated with NOTCH1 mutations ... lymphoma classification should reflect in which lymphocyte population the neoplasm arises. Thus, neoplasms that arise from ... Lymphoma classification update: T-cell lymphomas, Hodgkin lymphoma, and histiocytic/dendritic cell neoplasms. Expert Rev ...
Myeloid tissue
Myeloid neoplasms always concern bone marrow cell lineage and are related to hematopoietic cells. Myeloid tissue can also be ... is not complete until they migrate to lymphatic organs such as the spleen and thymus for programming by antigen challenge. Thus ...
Laboratory rat
Comparison of Neoplasms in Six Sources of Rats *^ Diamond JM (January 2006). Collapse: How Societies Choose to Fail or Succeed ... Rowett nudes, first identified in 1953 in Scotland, have no thymus. The lack of this organ severely compromises their immune ... A 1972 study compared neoplasms in Sprague Dawley rats from six different commercial suppliers and found highly significant ... they can suffer from high incidences of neoplasms, with the rat's lifespan mainly determined by this. The most common are ...
Conjunctival squamous cell carcinoma
2004). Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart (PDF). World Health Organization Classification ... Berman JJ (November 2004). "Tumor taxonomy for the developmental lineage classification of neoplasms". BMC Cancer. 4: 88. doi: ... Squamous cell carcinoma of eye tissues is one of the most frequent neoplasms of cattle. On third eyelid, papilloma-like (see ...
Philip E. Bernatz
Bernatz lectured actively and internationally on the surgery of the thymus, in the latter part of the twentieth century. He ... Kaiser LR: Surgical treatment of thymic epithelial neoplasms. Hematol Oncol Clin North Am 2008; 22: 475-488. Skeie GO, Romi F: ... Bernatz, PE (1970). "Surgery of the thymus". J Miss State Med Assoc. 11 (12): 629-633. PMID 5490391. Bernatz PE, Khonsari S, ... Bernatz rapidly acquired clinical experience with the treatment of thymoma, a potentially-aggressive mediastinal neoplasm which ...
Laboratory rat
Comparison of Neoplasms in Six Sources of Rats Diamond JM (January 2006). Collapse: How Societies Choose to Fail or Succeed. ... have no thymus. The lack of this organ severely compromises their immune system, with infections of the respiratory tract and ... The Lewis rat suffers from several spontaneous pathologies: first, they can suffer from high incidences of neoplasms, with the ... Play media A 1972 study compared neoplasms in Sprague Dawley rats from six different commercial suppliers and found highly ...
Neuroendocrine tumor
G1 and G2 neuroendocrine neoplasms are called neuroendocrine tumors (NETs) - formerly called carcinoid tumours. G3 neoplasms ... NETs include certain tumors of the gastrointestinal tract and of the pancreatic islet cells, certain thymus and lung tumors, ... Although there are many kinds of NETs, they are treated as a group of tissue because the cells of these neoplasms share common ... Neuroendocrine tumors (NETs) are neoplasms that arise from cells of the endocrine (hormonal) and nervous systems. They most ...
Large cell neuroendocrine carcinoma of the lung
2004). Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart (PDF). World Health Organization Classification ... Large cell neuroendocrine carcinoma of the lung (LCNEC) is a highly malignant neoplasm arising from transformed epithelial ...
CD3 (immunology)
CD3 is initially expressed in the cytoplasm of pro-thymocytes, the stem cells from which T-cells arise in the thymus. The pro- ... and can therefore be used to distinguish them from superficially similar B-cell and myeloid neoplasms. Zheng L, Lin J, Zhang B ...
Canine histiocytic diseases
Originally we treated dogs with Thymosin (derived from bovine thymus) because of reports of its effectiveness in human LCH ... histiocytic neoplasm which arises in multiple sites simultaneously. Most lesions previously defined as MH are probably more ... cutaneous neoplasm in dogs. Histiocytomas usually occur as solitary lesions, which spontaneously regress, and seldom recur. ...
Adenosquamous lung carcinoma
"Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart". World Health Organization Classification of Tumours. ... has proved that lung cancers should be considered an extremely heterogeneous family of neoplasms with widely varying genetic, ... 2004). Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart (PDF). World Health Organization Classification ...
Pleomorphism (cytology)
Travis, W.D.; Brambilla, B.; Burke, A.P; Marx, A.; Nicholson, A.G. WHO Classification of Tumours of the Lung, Pleura, Thymus ... nuclear pleomorphism is one of the earliest hallmarks of cancer progression and a feature characteristic of malignant neoplasms ...
Acinar adenocarcinoma
"Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart". World Health Organization Classification of Tumours. ... Adenocarcinomas are exceptionally heterogeneous neoplasms, occurring in four major tissue architectures (acinar, papillary, ... 2004). Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart (PDF). World Health Organization Classification ...
Salivary gland-like carcinoma of the lung
Carcinoma is a term for malignant neoplasms derived from cells of epithelial lineage, and/or that exhibit cytological or tissue ... 2004). Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart (PDF). World Health Organization Classification ...
Fetal adenocarcinoma
Although it is not normally considered a fast-growing malignant neoplasm, FA can exhibit high uptake on FDG-PET scanning. ... 2004). Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart (PDF). World Health Organization Classification ... "Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart". World Health Organization Classification of Tumours ...
Perivascular space
Kendall, M. D (1989). "The morphology of perivascular spaces in the thymus". Thymus. 13 (3-4): 157-64. PMID 2694455. Edelman, E ... These disorders are: cystic neoplasms lacunar infarctions cystic periventricular leukomalacia cryptococcosis multiple sclerosis ... Perivascular spaces, especially around fenestrated capillaries, are found in many organs, such as the thymus, liver, kidneys, ...
CD44
... , along with CD25, is used to track early T cell development in the thymus. CD44 expression is an indicative marker for ... On the contrary, in some neoplasms CD44 upregulation is associated with a favorable outcome. This is true of prostate cancer, ... and CD44-soluble proteins markedly reduces the malignant activities of various neoplasms, stressing the therapeutic potential ...
Henry Harrington Janeway
Janeway, H. H. (1920). The treatment of malignant tumors of the thymus gland by radium. Annals of surgery, 71(4), 460. Janeway ... A Model for a Curable Neoplasm" 2010 Charles M. Balch, M.D., Johns Hopkins Medical Institute - "Melanoma as an Example of ... "What the Study of Leukemia has Taught Us about the Common Neoplasms" 1995 Lester J. Peters, M.D., East Melbourne, Australia - " ...
Sarcomatoid carcinoma of the lung
Approximately 98% of lung cancers are carcinoma, a term for malignant neoplasms derived from cells of epithelial lineage, and/ ... 2004). Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart (PDF). World Health Organization Classification ...
TMEM229B
... thymus, lymph node, ovarian, muscle, lung, blood, and kidney tissues. The translated TMEM229B protein is a total of 167 amino ... B-cell neoplasm, breast carcinoma, Burkitt's lymphoma, colorectal adenocarcinoma, carcinoma, cutaneous T cell lymphoma, ...
PAX8
Also functions in very early stages of kidney organogenesis, the müllerian system, and the thymus.[7] Additionally, PAX8 is ... aka Hurthle-Cell Neoplasms).[15] Tumors expressing the PAX8/PPARy are usually present in at a young age, small in size, present ...
Index of HIV/AIDS-related articles
... thymus - tissue - titer - toxicity - toxoplasmic encephalitis - toxoplasmosis - transaminase - transcription - transfusion - ... neoplasm - nephrotoxic - neuralgia - neurological complications of AIDS - neuropathy - neutralization - neutralizing antibody ...
Carcinoid
... tumors may rarely arise from the ovary or thymus.[2]. They are most commonly found in the midgut at the level of the ... cystic neoplasms: Serous microcystic adenoma. *Intraductal papillary mucinous neoplasm. *Mucinous cystic neoplasm ...
Non-small-cell lung carcinoma
2004). Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart (PDF). World Health Organization Classification ... Large cell lung carcinoma (LCLC) is a heterogeneous group of undifferentiated malignant neoplasms originating from transformed ... in that the tumor cells lack light microscopic characteristics that would classify the neoplasm as a small-cell carcinoma, ...
Tüümus - Vikipeedia
D. Noël Paton, The relationship of the thymus to the sexual organs II. The influence of removal of the thymus on the growth of ... Tseng-Tong Kuo, Classification of thymic epithelial neoplasms: a controversial issue coming to an end?, J.Cell.Mol.Med. 5. ... 1. Thymus. Compt rend hebdom Soc Bioi 9: 5, 1893. *Prenant A (1894) Contribution a I'etude organique et histologique du thymus ... JAMES HENDERSON, ON THE RELATIONSHIP OF THE THYMUS TO THE SEXUAL ORGANS. 1. The Influence of Castration on the Thymus., (From ...
Targeted therapy of lung cancer
Lung cancer is an extremely heterogeneous family of malignant neoplasms,[1] with well over 50 different histological variants ... Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart. IARC Press: Lyon 2004. ... Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart. ...
Category:Infobox medical condition (new)
Abscess of thymus. *Absent adrenal gland. *Acanthamoeba infection. *Acanthamoeba keratitis. *Acantholytic dyskeratotic ... Adipose tissue neoplasm. *Adiposis dolorosa. *Adiposogenital dystrophy. *Adipsia. *Adjustment disorder. *Adnexal and skin ...
ಆಕ್ಸಿಟೋಸಿನ್ - ವಿಕಿಪೀಡಿಯ
Thymus: Thymosin (Thymosin α1, Thymosin beta) · Thymopoietin · Thymulin Digestive system: Stomach: gastrin · ghrelin · Duodenum ... Geenen V, Legros JJ, Franchimont P, Baudrihaye M, Defresne MP, Boniver J (1986). "The neuroendocrine thymus: coexistence of ... oxytocin and neurophysin in the human thymus". Science. 232 (4749): 508-11. doi:10.1126/science.3961493. PMID 3961493.. Unknown ...
Chest radiograph
A prominent thymus, which can give the impression of a widened mediastinum.[10] ... neoplasm: e.g., metastases, lymphoma, hamartoma. *sarcoidosis. *alveolitis. *auto-immune disease: e.g., granulomatosis with ... The many facets of normal paediatric thymus". South African Journal of Radiology. 19 (1). doi:10.4102/sajr.v19i1.803. ISSN 2078 ...
Pathology
More than 1500 different disorders of the skin exist, including cutaneous eruptions ("rashes") and neoplasms. Therefore, ... thymus, spleen, and other lymphoid tissues. In the United States, hematopathology is a board certified subspecialty (licensed ...
Multiple endocrine neoplasia
A main transcript of 2.8 kb has been described in a large variety of human tissues (pancreas, thymus, adrenal glands, thyroid, ... "Cutaneous tumors in patients with multiple endocrine neoplasm type 1 (MEN1) and gastrinomas: prospective study of frequency and ... an additional transcript of approximately 4 kb has been detected in pancreas and thymus, suggesting a tissue-specific ... Other endocrine and non-endocrine neoplasms including adrenocortical and thyroid tumors, visceral and cutaneous lipomas, ...
Lymphoid leukemia
... cell neoplasms: aggressive NK cell leukemia and extranodal NK cell lymphoma, nasal type". Ann. Oncol. 21 (5): 1032-40. doi: ... It often presents as a mediastinal mass because of involvement of the thymus.[1] It is highly associated with NOTCH1 mutations. ...
Giant-cell carcinoma of the lung
Spivach A, Borea B, Bertoli G, Daris G (July 1976). "[Primary lung neoplasm of rare incidence: giant cell carcinoma]". Minerva ... 2004). Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart (PDF). World Health Organization Classification ... The new paradigm recognizes that lung cancers are a large and extremely heterogeneous family of malignant neoplasms, with over ... Travis WD (November 2010). "Sarcomatoid neoplasms of the lung and pleura". Arch. Pathol. Lab. Med. 134 (11): 1645-58. doi: ...
Murine respirovirus
Its expression is also increased in a wide range of other malignant neoplasms. Factor X (F10) is frequently expressed in normal ... "CD4 and CD8 expression by dendritic cell subtypes in mouse thymus and spleen". Journal of Immunology. 164 (6): 2978-86. doi: ... It is also overexpressed in some cell lines originating from various malignant neoplasms. Thus, it is highly expressed in ... Some of these proteases are overexpressed in malignant neoplasms. For example, transmembrane serine protease 2 (TMPRSS2), which ...
Stem cell marker
Misago N, Narisawa Y (September 2006). "Cytokeratin 15 expression in neoplasms with sebaceous differentiation". Journal of ... Thymus. 3 (3): 153-67. PMID 6171918. Polakowska RR, Piacentini M, Bartlett R, Goldsmith LA, Haake AR (March 1994). "Apoptosis ...
List of MeSH codes (C04)
... tracheal neoplasms MeSH C04.588.894.949 - thymus neoplasms MeSH C04.588.894.949.500 - thymoma MeSH C04.588.945.418 - genital ... skull base neoplasms MeSH C04.588.149.828 - spinal neoplasms MeSH C04.588.180.260 - breast neoplasms, male MeSH C04.588.180.390 ... bile duct neoplasms MeSH C04.588.274.120.250.250 - common bile duct neoplasms MeSH C04.588.274.120.401 - gallbladder neoplasms ... femoral neoplasms MeSH C04.588.149.721 - skull neoplasms MeSH C04.588.149.721.450 - jaw neoplasms MeSH C04.588.149.721.450.583 ...
PAX8
Also functions in very early stages of kidney organogenesis, the müllerian system, and the thymus. Additionally, PAX8 is ... aka Hurthle-Cell Neoplasms). Expression of PAX8 is increased in neoplastic renal tissues, Wilms tumors, ovarian cancer and ...
Lloyd J. Old
First coined TL (for "thymus-leukemia" antigen in mice) then later as the Ly series (originally named Ly-A and Ly-B and later ... Human neoplasms elicit multiple specific immune responses in the autologous host. Proc Natl Acad Sci USA. 1995;92:11810-11813. ... Boyse EA, Old LJ, Luell S. Genetic determination of the TL (thymus-leukemia) antigen in the mouse. Nature 1964; 201:779. Boyse ...
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European College of Veterinary Pathologists - November 2010
Diagnosis: Thymus, heart and large vessels: thymic carcinoma.. Description: The pre- and supracardial mass measured up to 12.9 ... The aortic and pulmonary root vessels were completely encircled by the neoplasm. Additionally, tumor cells infiltrated the ... Comments: Histological examination identified the neoplasm as a malignant proliferation of thymic epithelial cells with a ...
CD3 Antibody [MRQ-39] - Pathologist Verified | MIBI technology | Ionpath
Find Research outputs
- Manipal Academy of Higher Education, Manipal, India
Chhabra, H., Bose, A., Shivakumar, V., Agarwal, S. M., Sreeraj, V. S., Shenoy, S., Hazari, N., Dinakaran, D., Parlikar, R., Koparde, V., Ramesh, V., Biswal, J., Murugaraja, V., Gowda, S. M., Chand, P. K., Sivakumar, P. T., Kalmady, S. V., Narayanaswamy, J. C., Murthy, P., Girimaji, S. C. & 1 others, Venkatasubramanian, G., 02-2020, In: Psychiatry Research. 284, 112744.. Research output: Contribution to journal › Article › peer-review ...
Supplementary Materials Supporting Information supp 111 10 3805 index - Expression of TNF inhibitor in Senescence and Aging
Icd 10 Code - Z73812 | Med Reference
Archives and Special Collections, St George's, University of London
Lip and Oral Cavity Cancer
Malignant Neoplasm (cancer): the malignant neoplasms frequency in the mouth is rather high. ... Cancer of thymus*Cancer of heavy intestine: colo-rectal*Cam (complementary and alternative medicine)*Stomach Cancer*Biopsy*ABC ... Mouth: Benign neoplasm: we found several tumors of this type; one of the most frequent is the benign gum tumor or periodontal ...
ThymomaGLANDTumors of the thymusCarcinomaMyasthenia gravisLungBenignPoorly differentiated neoplasmsLymphomaSpleenPathologyCancersCancerAnterior mediastinumNormal thymusEsophagusHematopoieticMedulla of the thymusTumor CellsCarcinomasReticulum cell neoplasmsThymic epithelial neoplasmsEnlarges during chDifferentiationPrimaryParathyroidOrgansMediastinalRare neoplasmThyroidPancreasFunctionally active or notOrganGastrointestinalGerm CellBone marrowLungsBehaviorNeuroendocrine systemLymphoidEctopic cervicalHeterogeneous group
Thymoma19
- In 1991, Chan and Rosai unified the concept of SETTLE when they described 8 neoplasms situated in the neck and thyroid of children and young adults, previously diagnosed as malignant teratoma of the thyroid, thyroid spindle cell tumor with mucous cysts or thyroid thymoma. (omicsonline.org)
- It belongs to a group of cervical lesions that includes ectopic cervical thymoma, ectopic hamartomatous thymoma and carcinoma with thymus-like element (CASTLE). (omicsonline.org)
- Thymoma is a tumor originating from the epithelial cells of the thymus. (icd.codes)
- The term, thymoma, is customarily used to describe neoplasms that show no overt atypia of the epithelial component. (healthlinkbc.ca)
- A thymic epithelial tumor that exhibits clear-cut cytologic atypia and histologic features no longer specific to the thymus is known as a thymic carcinoma (also known as type C thymoma). (healthlinkbc.ca)
- Although rare, malignant thymoma may develop from an ectopic thymus (2) . (ajnr.org)
- Thymoma originates in the epithelial cells of the thymus. (ebscohost.com)
- Benign (thymoma) and malignant (thymic lymphoma, thymic carcinoma) neoplasms have been reported. (vetstream.com)
- Thymoma is a neoplasm of thymic epithelial cells. (medscape.com)
- A thymic neoplasm can be a thymoma (a tumor of the thymus gland), or thymic carcinoma (a rare type of thymus gland cancer). (upmc.com)
- A thymoma is a malignant tumor of the thymus, and the seriousness depends on details in the pathology report. (healthtap.com)
- An ectopic thymus and a hamartoma are both benign, but if the report says "thymoma" then it is probably malignant although not necessarily very serious if completely removed. (healthtap.com)
- Thymoma generally considered a slow growing form of cancer that begins in the thymus. (healthtap.com)
- The thymoma is derived from the epithelial cells of the thymus , a rare disease, still famous for its associations with the mysterious neuromuscular disorder called Myasthenia Gravis. (health.am)
- A thymoma is a type of tumor or growth in the thymus gland. (medicinenet.com)
- A thymoma is a rare type of tumor of the thymus gland. (medicinenet.com)
- Thymoma is a type of tumor that originates from the epithelial or lining cells of the thymus. (medicinenet.com)
- The term thymoma refers to tumors of the thymus that grow slowly and usually do not spread beyond the thymus. (medicinenet.com)
- Thymoma and thymic carcinoma originate within the epithelial cells of the thymus, resulting in an anterior mediastinal mass. (wellspan.org)
GLAND16
- Tumors or cancer of the THYMUS GLAND. (sickkids.ca)
- I have had Breast Cancer, and, irradiation of the thymus gland as an infant. (medhelp.org)
- Cooper A (1832) The anatomy of the thymus gland. (springer.com)
- About 10% of those with MG also have thymomas, or benign tumors of the thymus gland. (thefreedictionary.com)
- The MEN1 phenotype is inherited via an autosomal-dominant pattern and is associated with neoplasms of the pituitary gland, the parathyroid gland, and the pancreas (the 3 "P"s). (wikipedia.org)
- We report herein the excision of an ectopic parathyroid adenoma which was detected in the thymus gland by gamma probe intraoperatively. (nih.gov)
- The patient underwent sternotomy and the adenoma was found within the right lobe of the thymus gland with the intraoperative use of gamma probe. (nih.gov)
- Intraoperative image of an ectopic parathyroid adenoma inside the thymus gland. (nih.gov)
- An intraoperative image, after a median sternotomy, of an ectopic parathyroid adenoma located within the thymus gland. (nih.gov)
- Subsequently, the parathyroid adenoma was removed as it was located inside the thymus gland. (nih.gov)
- Thymic tumors are tumors of the thymus gland. (medicinenet.com)
- The thymus gland is present in the front of the space between the upper lungs called the anterior mediastinum and behind the upper sternum. (medicinenet.com)
- The thymus gland is larger during puberty but then normally becomes smaller in adulthood. (medicinenet.com)
- The thymus is a gland located in the anterior mediastinum (the area between the two lungs and the sternum in the chest) that plays a critical role in the development of immune cells (lymphocytes) during childhood. (medicinenet.com)
- The thymus gland enlarges during childhood, peaks in size at puberty (about 40 grams), and then begins to shrink. (medicinenet.com)
- portions of thymus tissue that have been detached from the stalk and left behind in the caudal migration of the gland in embryonic development. (ufrgs.br)
Tumors of the thymus7
- Cisplatin-containing chemotherapy is the standard treatment for advanced tumors of the thymus that cannot be removed surgically. (clinicaltrials.gov)
- New treatment options are needed for patients with advanced tumors of the thymus that do not improve with cisplatin-containing therapy. (clinicaltrials.gov)
- Thymomas and thymic carcinomas are epithelial tumors of the thymus. (healthlinkbc.ca)
- World Health Organization pathologic classification of tumors of the thymus and stage correlate with prognosis. (healthlinkbc.ca)
- Quantitatively it represents 90% of tumors of the thymus. (health.am)
- The term thymic neoplasms refers to tumors of the thymus, which consist of thymomas and thymic carcinomas. (medicinenet.com)
- Thymic carcinomas are tumors of the thymus that grow aggressively and may metastasize to distant organs. (medicinenet.com)
Carcinoma4
- Some patients with "poorly differentiated neoplasm" or "poorly differentiated carcinoma" of the mediastinum have the i(12p) chromosomal abnormality diagnostic of germ cell tumor. (health.am)
- Although Merkel cell carcinoma (MCC) exhibits specific clinical and histologic features, differentiation from other cutaneous neoplasms, such as lymphoma, metastatic oat cell carcinoma and malignant melanoma (MM), may sometimes be difficult. (sigmaaldrich.com)
- Hurtel cell neoplasm can be adenoma (not cancer ) or carcinoma (cancer). (healthtap.com)
- The clinical and pathologic characteristics of benign and malignant germ cell tumors and of "poorly differentiated carcinoma" of the mediastinum are presented, with special attention focused on the treatment of these neoplasms. (health.am)
Myasthenia gravis1
- Fifteen patients had a thymus-related syndrome (in 13 patients it resulted myasthenia gravis ), and in 11 patients it improved or remitted after treatment of the pleural recurrence. (curehunter.com)
Lung9
- Travis WD, Brambilla E, Muller-Hermelink HK, Harris CC. World Health Organization Classification of Tumours of the Lung, Pleura, Thymus and Heart . (medscape.com)
- Utility of immunohistochemistry in separating thymic neoplasms from germ cell tumors and metastatic lung cancer involving the anterior mediastinum. (semanticscholar.org)
- We report an immunohistochemical (IHC) panel that includes CD5, placental-like alkaline phosphatase (PLAP), thyroid transcription factor 1 (TTF-1), cytokeratin (CK) 7, CK20, CK5/6, and CD57 for the separation of thymic neoplasms from germ cell tumors (GCTs) and metastatic lung malignancies. (semanticscholar.org)
- The thoracic diseases including lung cancer, thymus neoplasm, cardiac surgery disease, aortic aneurysm, and mediastinal tumor of nervous tissue are prevalent. (hindawi.com)
- The main localization of NETs is in the gastroenteropancreatic tract, lung, and, rarely, ovary and thymus ( 1 ). (snmjournals.org)
- These neoplasms occur mostly in the gastrointestinal tract and pancreas, but can also occur in other tissues including thymus, lung, and other uncommon sites such as ovaries, heart, and prostate. (globenewswire.com)
- Travis WD, Brambilla E. Burke, et al World Health Organization (WHO) classification of tumours of the lung, pleura, thymus and heart. (eurekaselect.com)
- My research in thoracic neoplasms has focused on lung cancer, malignant mesothelioma, and mediastinal thymic tumors. (mskcc.org)
- Extensively revised and expanded, Practical Thoracic Pathology: Diseases of the Lung, Heart, and Thymus (formerly Practical Cardiovascular Pathology ) is a superbly illustrated, one-volume reference to pathology of the thorax. (ebooksmedicine.net)
Benign2
- Most thymomas have the potential to behave like a cancer and spread beyond the thymus, but many appear to behave in a benign fashion and are noninvasive. (medicinenet.com)
- The mediastinum is the site of onset of various types of cancers both of benign and malignant nature, among which thymus tumours and tumours originating from neural elements (neuromas) are the most frequent and treated by the thoracic surgeon . (ieo.it)
Poorly differentiated neoplasms3
- DRG Group #826-830 - Myeloprolif disord or poorly differentiated neoplasms with major operating room procedure with MCC. (icd.codes)
- DRG Group #843-845 - Other myeloprolif disorders or poorly differentiated neoplasms diagnoses with MCC. (icd.codes)
- However, chromogranin A may be absent in poorly differentiated neoplasms. (springer.com)
Lymphoma5
- This definition excludes other tumors that may affect the thymus, such as lymphoma and germ cell tumors. (medscape.com)
- Hodgkin lymphoma and non-Hodgkin lymphoma may also involve the thymus and must be differentiated from true thymomas and thymic carcinomas. (wellspan.org)
- However, malignant lymphoma is a common spontaneous systemic neoplasm in B6C3F1 mice and the incidence in the concurrent vehicle control group was at the low end of the historical control ranges. (europa.eu)
- Lymphoma is the most common hematopoietic neoplasm affecting both dogs and cats and results from the malignant transformation of lymphocytes. (dvm360.com)
- 2 Although lymphoma is considered a common neoplasm, a definitive cause for its development in dogs remains to be determined. (dvm360.com)
Spleen1
- These first appear in the Peyer's patches and mesenteric lymph nodes and later in the spleen, liver, thymus and other lymph nodes ( Crispens, 1973 ). (jax.org)
Pathology3
- Thymus pathology embraces a broad spectrum of features, varying from major immunologic abnormalities affecting all organ systems to minor abnormalities with limited clinical consequences. (springer.com)
- Some individuals with thymus pathology may have all the features of the disease while others may have only a few features. (springer.com)
- Klöppel G (2011) Classification and pathology of gastroenteropancreatic neuroendocrine neoplasms. (springer.com)
Cancers3
- What Are the Key Statistics about Thymus Cancers? (medlineplus.gov)
- However, it has not been approved to treat cancers of the thymus. (clinicaltrials.gov)
- Bone Marrow Neoplasms are cancers that occur in the bone marrow. (meta.org)
Cancer13
- Doctors use a physical exam, imaging tests, and a biopsy to diagnose thymus cancer. (medlineplus.gov)
- What Is Thymus Cancer? (medlineplus.gov)
- Can Thymus Cancer Be Found Early? (medlineplus.gov)
- What Are the Risk Factors for Thymus Cancer? (medlineplus.gov)
- Some of these proteins can be found on thymus cancer cells. (clinicaltrials.gov)
- Researchers want to see if sunitinib can be used to treat advanced thymus cancer. (clinicaltrials.gov)
- To see if sunitinib is a safe and effective treatment for advanced thymus cancer that has not responded to earlier treatments. (clinicaltrials.gov)
- Individuals at least 18 years of age who have advanced thymus cancer that has not responded to earlier treatments. (clinicaltrials.gov)
- Has anyone had a follicular neoplasm which turned out to be cancer of the thyroid? (medhelp.org)
- Elevated ribonuclease activity in the thymus and white blood cells of genetically cancer prone mice. (rupress.org)
- Thymus cell antigen 1 (Thy1), also known as cluster of differentiation (CD)90, and integrin α6 (ITGA6), also known as CD49f, are important molecules in cancer and putative markers of various stem cell types. (spandidos-publications.com)
- Is hurtle cell neoplasm defined as cancer? (healthtap.com)
- Patients with other types of thoracic cancer, such as thymus, may experience similar symptoms. (health.am)
Anterior mediastinum4
- A variety of primary and metastatic neoplasms can involve the anterior mediastinum and have similar radiographic or histologic appearances. (semanticscholar.org)
- It refers to a rare neoplasm that is usually found in the anterior mediastinum. (ebscohost.com)
- The thymus is a lymphoepithelial organ is mainly located in the anterior mediastinum and a small part is located in the neck. (health.am)
- These neoplasms are usually located in the anterior mediastinum and discovered during a routine chest x-ray. (wellspan.org)
Normal thymus2
- Expression of p63 in thymomas and normal thymus. (semanticscholar.org)
- In the normal thymus, bone marrow-derived precursor cells destined to become thymocytes (or T lymphocytes) enter the thymus at the corticomedullary junction and differentiate as they pass through the thymus. (medscape.com)
Esophagus1
- Mediastinal tumors can be developped in the mediastinum - the area of the chest that separates the lungs and contains the heart, aorta, esophagus, thymus, and trachea. (ieo.it)
Hematopoietic4
- Cells in the thymus can be divided into thymic stromal cells and cells of hematopoietic origin (derived from bone marrow resident hematopoietic stem cells). (wikipedia.org)
- The thymus provides an inductive environment for development of T cells from hematopoietic progenitor cells. (wikipedia.org)
- Niche functionality is likely affected not only by the genomic background of the myeloproliferative neoplasm-associated mutated hematopoietic stem cells, but also by disease-associated 'chronic inflammation', and subsequent adaptive and innate immune responses. (haematologica.org)
- Philadelphia chromosome negative' myeloproliferative neoplasms (MPN) are a group of relatively rare hematologic diseases characterized by a clonal proliferation of blood cells, most commonly secondary to acquired hematopoietic stem cell (HSC) mutations that directly or indirectly induce upregulation of the JAK-STAT pathway. (haematologica.org)
Medulla of the thymus1
- Micrograph showing a Hassall's corpuscle, found within the medulla of the thymus. (wikipedia.org)
Tumor Cells1
- Thymus cell antigen 1 (Thy1), also known as cluster of differentiation (CD)90, is a 25-37-kDa glycophosphatidylinositol-anchored protein that is expressed in numerous cell types, including T cells, neurons, endothelial cells, fibroblasts and numerous tumor cells. (spandidos-publications.com)
Carcinomas2
- 3 ] Thymic carcinomas are rare and have been reported to account for only 0.06% of all thymic neoplasms. (healthlinkbc.ca)
- We have studied 31 cases of thymomas (12 cortical, 2 predominantly cortical, 5 mixed, and 9 medullary type thymomas as well as 3 well-differentiated thymic carcinomas) and, for comparison, 15 normal thymi, for the presence of different CK polypeptides. (springer.com)
Reticulum cell neoplasms2
- Ribonuclease activity in cell-free thymus homogenates was elevated for five strains of mice genetically predisposed toward leukemia or reticulum cell neoplasms (AKR, C58, PL, RF, and SJL). (rupress.org)
- Most of the tumours are pleomorphic or mixed-cell types commonly called type-B reticulum cell neoplasms by Dunn, but a few are type-A histiocytomas. (jax.org)
Thymic epithelial neoplasms2
- Immunohistochemistry in the diagnosis of thymic epithelial neoplasms. (semanticscholar.org)
- Data regarding the prognostic significance of the histopathologic classifications of thymic epithelial neoplasms are contradictory, perhaps reflecting issues in reproducibility. (elsevier.com)
Enlarges during ch1
- The thymus enlarges during childhood, and atrophies at puberty. (wikipedia.org)
Differentiation4
- It is a lowgrade malignant neoplasm, with epithelial differentiation confirmed by immunohistochemical. (omicsonline.org)
- Neuroendocrine neoplams (NENs) are neoplasms with a broad range of morphologic patterns, grade of differentiation, and biological behavior that share common features of neuroendocrine (NE) programming. (springer.com)
- Demirkesen C, Hoede N, Moll R: Epithelial markers and differentiation in adnexal neoplasms of the skin: an immunohistochemical study including individual cytokeratins. (springer.com)
- Tumors arising from neuroendocrine cells are defined as epithelial neoplasms with predominantly neuroendocrine differentiation. (prolekare.cz)
Primary2
- The thymus is a specialized primary lymphoid organ of the immune system. (wikipedia.org)
- A primary malignant neoplasm that overlaps two or more contiguous (next to each other) sites should be classified to the subcategory/code .8 ('overlapping lesion'), unless the combination is specifically indexed elsewhere. (icd10data.com)
Parathyroid2
- Gamma probe-assisted excision of an ectopic parathyroid adenoma located within the thymus: case report and review of the literature. (nih.gov)
- The use of gamma-probe radioactivity consisted of monitoring the thyroid background as a guide, whereas within the thymus high pitch signals in a ratio parathyroid/thyroid = 2.5 were recorded. (nih.gov)
Organs2
- Unlike many other organs, the thymus is at its largest in childhood. (wikipedia.org)
- Its clinical presentation most commonly includes infiltration of the central nervous system (CNS), and further identifies mediastinal mass presence originating from the thymus, along with extramedullary involvement of multiple organs including the lymph node as a result of hyperleukocytosis. (wikipedia.org)
Mediastinal1
- In general, mediastinal germ cell tumors appear histologically identical to germ cell tumors arising in the testis, and all histologic subtypes seen in gonadal germ cell neoplasms have also been recognized in the mediastinum. (health.am)
Rare neoplasm1
- The spindle epithelial tumor with thymus-like element (SETTLE) is a very rare neoplasm related to the thyroid of young individuals. (omicsonline.org)
Thyroid1
- The arteries supplying the thymus are branches of the internal thoracic, and inferior thyroid arteries, with branches from the superior thyroid artery sometimes seen. (wikipedia.org)
Pancreas1
- Malignant neoplasms of ectopic tissue are to be coded to the site mentioned, e.g., ectopic pancreatic malignant neoplasms are coded to pancreas, unspecified ( C25.9 ). (icd10data.com)
Functionally active or not1
- All neoplasms, whether functionally active or not, are classified in Chapter 2. (icd10data.com)
Organ3
- The thymus is a small organ in your upper chest, under your breastbone. (medlineplus.gov)
- schließlich wird mit Thymus das in Rede stehende Organ bezeichnet. (springer.com)
- The thymus is a principal organ of the immune system, and researchers speculate that thymic irregularities are involved in the progression of MG. (thefreedictionary.com)
Gastrointestinal1
- Some may be functional neuroendocrine tumors (NETs) of the gastrointestinal system, lungs, or thymus and release hormones or vasoactive substances. (arupconsult.com)
Germ Cell1
- They are much less common than germinal tumors arising in the testes, and account for only 1 to 5% of all germ cell neoplasms. (health.am)
Bone marrow3
- In this timely article, we will review current knowledge surrounding the deregulated bone marrow niche in myeloproliferative neoplasms and suggest how this may be targeted, either directly or indirectly, potentially influencing therapeutic choices both now and in the future. (haematologica.org)
- Discover the latest research on Bone Marrow Neoplasms here. (meta.org)
- T-Cell Lymphoblastic Leukemia (T-ALL) is a type of acute lymphoblastic leukemia with aggressive malignant neoplasm of the bone marrow. (wikipedia.org)
Lungs3
- How are neuroendocrine tumors (NETs) of the lungs and thymus graded? (medscape.com)
- However, for NETs of the lungs and thymus, the WHO includes only mitotic count and assessment of necrosis. (medscape.com)
- Neuroendocrine neoplasms (NENs) are rare tumors that mainly occur in the gastroenteropancreatic (GEP) tract and lungs. (eurekaselect.com)
Behavior1
- Category D49 classifies by site neoplasms of unspecified morphology and behavior. (icd10data.com)
Neuroendocrine system1
- This review provides a comprehensive overview of the human neuroendocrine system and its neoplasms, from their discovery to current terminology and classifications. (prolekare.cz)
Lymphoid3
- Chapter 13 Leukopenia Reactive Prolifera, Chapter 13 Common Forms Of Lymphoid Leuk, Chapter 13 Plasma Cell Neoplasms Disorde, And more! (brainscape.com)
- Normally, a combination of lymphoid cells (immune cells or lymphocytes) and lining cells (epithelial cells) makes up the thymus. (medicinenet.com)
- Distinct from adult T-Cell Leukemia where T-Cell Lymphotropic Virus Type I causes malignant maturation of T-cells, T-ALL is a precursor for lymphoid neoplasm. (wikipedia.org)
Ectopic cervical1
- During this descent, remnants of thymic tissue occasionally are implanted along the cervical pathway and may appear later as an ectopic cervical thymus (1) . (ajnr.org)
Heterogeneous group2
- Neuroendocrine tumors (NETs) are a rare and heterogeneous group of neoplasms originating from the neural crest. (snmjournals.org)
- Neuroendocrine tumors (NETs) are a heterogeneous group of rare neoplasms that originate from neuroendocrine cells. (globenewswire.com)