Benign tumor of epithelial cells. Medical search. Frequent questions

Nests are large and crowded and may show fusion, as a result of epithelial proliferation that exceeds what is seen in benign Brenner tumor. (cap.org)
Unlike the invasive carcinomas, borderline ovarian tumors are characterized by cytoplasmic and nuclear atypia, (element of differential diagnosis with benign tumors), absence of stromal invasion, (element of differential diagnosis with malignant tumors), unusual degree of proliferation of the epithelial cells with cellular stratification including remarkable architectural atypia and the formation of papillary protuberances. (intechopen.com)
It has been suggested that, in a proportion of fibroadenomas, a somatic mutation can result in a monoclonal proliferation, histologically indistinguishable from the polyclonal element, but with a propensity to local recurrence and progression to a phyllodes tumor which has also been supported by clonal analysis. (hindawi.com)
Whereas CXCR3A promotes cell proliferation, CXCR3B induces apoptosis. (oncotarget.com)
Although intraductal papillomas (IDPs) are benign, they are occasionally involved by a monomorphic, atypical cellular proliferation, morphologically identical to ductal carcinoma in situ (DCIS) or atypical ductal hyperplasia (ADH). (medscape.com)
For the purposes of this article, the term "DCIS involving a papilloma" is used to describe an IDP involved by a cytologically malignant cell population, regardless of the size of the proliferation. (medscape.com)
CAFs provide cancer cells with nutrition and promote the proliferation, invasion and metastasis of cells ( 6 - 9 ). (spandidos-publications.com)
These data suggest that stromal proliferation in benign phyllodes tumours relies on abnormalities in the Wnt pathway which result not from mutation, but from Wnt5a expression in the epithelium. (ox.ac.uk)
In the progression to malignancy, the stromal proliferation appears to become independent of the Wnt pathway and, presumably, of the epithelial component of these tumours. (ox.ac.uk)
TGF-s are potent inhibitors of epithelial cell proliferation. (conferencedequebec.org)
Rho GTPases represent a family of small GTP-binding proteins involved in cell cytoskeleton organization, migration, transcription, and proliferation. (biomedcentral.com)
They are endowed with GTP hydrolytic activity, mainly involved in cytoskeleton rearrangements and cell motility, but also involved in cell proliferation, transformation and differentiation [ 2 ]. (biomedcentral.com)

Medical practitioners often encounter benign lesions of the external ear. (medscape.com)
This article outlines several benign lesions and tumors of the external ear and gives the reader a basic understanding of their clinical features and treatment options. (medscape.com)
These mixed lesions consist of histologically distinct epithelial and mesenchymal tissues (7). (wikipedia.org)
Mediastinal tumors/lesions are frequently encountered in daily cytopathology practice. (allenpress.com)
These lesions are accessible through endoscopic/endobronchial ultrasound-guided or computed tomography-guided fine-needle aspiration cytology and represent a wide range of primary and metastatic tumors. (allenpress.com)
Tumors metastatic to mediastinal lymph nodes represent the most common mediastinal lesions and must be differentiated from primary lesions. (allenpress.com)
To provide an updated review on the fine-needle aspiration cytology of mediastinal tumors/lesions, with an emphasis on diagnostic challenges. (allenpress.com)
The mediastinum is the site for a variety of lesions, both benign and malignant. (allenpress.com)
1 The most frequent primary tumor types of anterior mediastinal masses are thymic tumors and lymphoma, with approximate proportions of 35% and 25% among mediastinal lesions, respectively. (allenpress.com)
metastasis from lungs, kidneys, breasts via blood, lymphoma or anaplastic carcinoma in benign lymphoepithelial lesions (Sjogren's syndrome, Mikulicz' disease) and Kimura's disease( 1 ). (ispub.com)
Benign lesions appear as heterogeneous well-circumscribed masses of low signal on T 1 -weighted images, with increasing signal on T 2 -weighted sequences. (ispub.com)
Granular cell tumors are uncommon lesions, although the head and neck region accounts for approximately 50% of all lesions. (medscape.com)
Granular cell tumors are slow-growing lesions (0.5-1 mm per year) that are neither painful nor tender. (medscape.com)
Phyllodes tumors are rare fibroepithelial lesions. (hindawi.com)
With the nonoperative management of fibroadenomas widely adopted, the importance of phyllodes tumors today lies in the need to differentiate them from other benign breast lesions. (hindawi.com)
Our objectives in this study were to identify cytopathology criteria of malignancy for canine mammary tumors and the frequency of different types of mammary lesions and their relationship with histologic grade was investigated. (biomedcentral.com)
Classification of all canine mammary gland lesions revealed 13(86.7%) malignant and 2(13.3%) benign tumors. (biomedcentral.com)
Because a number of mediastinal tumors and other masses are found most commonly in particular mediastinal locations, many authors have artificially subdivided the area for better descriptive localization of specific lesions. (medscape.com)
Collagen VI (COL6) is highly expressed in adipose tissue, upregulated in the obese state, and enriched in breast cancer lesions and is a stimulator of mammary tumor growth. (jci.org)
Previous work in our laboratory identified keratin 17 (K17) as a specific and sensitive biomarker for high-grade squamous intraepithelial lesions and cervical squamous cell carcinoma (SCC). (medscape.com)
Cases of endocervical adenocarcinoma (n = 90), adenocarcinoma in situ (AIS) (n = 32), benign glandular lesions (n = 36), and normal endocervical mucosa (n = 5) were selected from Stony Brook Medicine and the University of Massachusetts from 2002 to 2013. (medscape.com)
K17 was not detected in the epithelial cells of benign glandular lesions, but groups of cuboidal cells, residing beneath the epithelial layer of benign glands, were frequently positive for K17, especially in cases of microglandular hyperplasia. (medscape.com)

This study describes the distribution, clinical and pathological details of various histopathological types of ovarian tumors in a tertiary care hospital. (journalcra.com)
Conclusion: In the present study, ovarian tumors were classified according to the WHO classification, epithelial and germ cell tumors were the major types of ovarian tumors. (journalcra.com)

Ameloblastic fibroma is a rare benign mixed epithelial and mesenchymal odontogenic tumour as it contributes to approximately 2% of all odontogenic tumours. (wikipedia.org)
However, we can altogether not rule out a benign lesion as in large benign tumours, the nerve is often stretched around the mass thereby accounting for paresthesia, paresis and the tense parotid fascia leads to pain( 2 ) necessitating further investigations. (ispub.com)
More aggressive tumours have low T 1 - and T 2 -characteristics while high signal is observed on both T 1 - and T 2 -weighted images if there has been recent haemorrhage within the tumour. (ispub.com)
Rapidly growing breast mass could hardly ever become metastasis GS-1101 kinase activity assay from rhabdomyosarcoma, leukaemia, lymphoma, primitive neuroectodermal tumours, Ewing sarcoma, malignant melanoma and renal cell carcinoma.3 However, the size of such masses is not usually as gigantic as in our individual. (columbiagypsy.net)
He goes on to say "And that is that the same genes can activate tumour growth and metastasis, and therefore some tumours are conferred metastatic capacity from their very outset. (sciencedaily.com)
The study is based on the observation that benign human tumours or tumours at stages well before metastasis express some genes associated with this process. (sciencedaily.com)
The research was conducted on the fruit fly Drosophila, an established model for studying epithelial tumours. (sciencedaily.com)
Three out of 4 are benign tumours. (syndromespedia.com)
Colorectal tumours benign and malignant, induce symptoms such as problem with stool discharge, diarrhoea intermittently present with constipation, bledding from the gastrointestinal tract or problems with digestion. (syndromespedia.com)
In any presence of skin cancer, or sebaceal tumour, benign or malignant, there needs to be a suspicion about MTS, so it important to check for symptoms and signs of other tumours during clinical evaluation. (syndromespedia.com)
The Wnt pathway, epithelial-stromal interactions, and malignant progression in phyllodes tumours. (ox.ac.uk)
In view of this finding, it was decided to study stromal-epithelial interactions in these tumours by examining the Wnt-APC-beta-catenin pathway. (ox.ac.uk)
Additionally, immunohistochemistry (IHC) was performed in multiple ovarian cancers, benign tumours and normal tissues to evaluate Gli2 and MMP-7 protein expression. (jcancer.org)
IHC analysis demonstrated abnormally increased Gli2 and MMP-7 expression levels in benign tumours and ovarian cancer tissues. (jcancer.org)
This study in Iraq used in situ hybridization to detect the frequency and genotyping of HPV in tissue specimens from 129 patients diagnosed with malignant breast cancer, 24 with benign breast tumours and 20 healthy controls. (who.int)

About 90% of cervical cancer cases are squamous cell carcinomas, 10% are adenocarcinoma, and a small number are other types. (wikipedia.org)
Malignant Brenner tumors are uncommon ovarian carcinomas and represent less than 5% of all Brenner tumors. (cap.org)
Most tumors are confined to the ovary at diagnosis, and malignant Brenner tumors have a better prognosis than other epithelial ovarian carcinomas. (cap.org)
subsequently, this group of tumors of the ovary were classified in 1973 by the World Health Organization as "low malignant potential ovarian tumor" [ 2 ] and, finally, in 2003 WHO separates them from carcinomas and call them borderline tumors. (intechopen.com)
Cancerous epithelial tumors are carcinomas. (news-medical.net)
Epithelial ovarian carcinomas (EOC's) account for 85 to 90 percent of all cancers of the ovaries. (news-medical.net)
Squamous cell carcinomas tend to metastasize to regional lymph nodes and directly invade mediastinal structures, leading to high local and regional recurrence rates. (msdmanuals.com)
As a result, blockade of TGF- signaling may decrease tumor cell viability and migratory potential and represents a testable healing strategy against metastatic carcinomas. (conferencedequebec.org)
A machine learning model for separating epithelial and stromal regions in oral cavity squamous cell carcinomas using H&E-stained histology images: A multi-center, retrospective study. (cdc.gov)

Combined AFP and β-hCG testing is an essential adjunct in the evaluation and treatment of nonseminomatous germ cell tumors, and in monitoring the response to therapy. (aafp.org)
Women with benign (non-cancerous) germ cell tumors such as mature teratomas (dermoid cysts) are cured by removing the part of the ovary that has the tumor (ovarian cystectomy) or by removing the entire ovary. (cancer.org)
As with epithelial ovarian cancers, it is a good idea to consult with a gynecologic oncologist for treating malignant germ cell tumors, especially because these are so uncommon. (cancer.org)
About 2-3% of all ovarian cancers are germ cell tumors. (cancer.org)
Most types and stages of germ cell cancers of the ovary are treated the same way, with surgery and chemotherapy (chemo). (cancer.org)
In general, all women with malignant germ cell tumors will have the same staging surgery that is done for epithelial ovarian cancer. (cancer.org)
Most women with germ cell cancer will need to be treated with combination chemo for at least 3 cycles. (cancer.org)
Germ cell cancers can raise blood levels of the tumor markers human chorionic gonadotropin (HCG), alpha-fetoprotein (AFP), and/or lactate dehydrogenase (LDH). (cancer.org)
Pantomics Array Description: Testis tumor tissue array, set 1, containing 69 cases of testis germ cell tumors, 18 cases of non-tumor. (delos.info)
Data were classified according to the latest World Health Organization (WHO) Classification into epithelial tumors, germ cell tumors, sex cord-stromal tumors, and others. (journalcra.com)
Serous cystadenoma and mature cystic teratoma were the predominant type of epithelial and germ cell tumors, respectively. (journalcra.com)
Germ cell tumors- start in the ovarian cells that form eggs. (mountsinai.org)
Germ cell tumors tend to occur in young women or are in their reproductive years. (mountsinai.org)
Diagnosed at an early stage, germ cell tumors are curable. (mountsinai.org)

During human development, embryonic cells of ectoderm and mesenchyme produce epithelial and ectomesenchyme tissues. (wikipedia.org)
The epithelial tissue resembles dental lamina and enamel organ tissues, while the mesenchyme resembles the dental papilla (9). (wikipedia.org)
A pathologist is a doctor who specializes in interpreting laboratory tests and evaluating cells, tissues, and organs to diagnose disease. (cancer.net)
The scope of the special issue is to summarize and enlarge the knowledge in signalling processes and networks in diverse cells and tissues. (mdpi.com)
The term "oncotarget" encompasses all molecules, pathways, cellular functions, cell types, and even tissues that can be viewed as targets relevant to cancer as well as other diseases. (oncotarget.com)
Only 3 benign breast tumour tissues (12.5%) and none of the healthy breast tissue specimens were HPV-DNA-positive. (who.int)
A further 20 blocks from The ISH results were given percentage vanced stages with a likely prevalence samples from normal breast tissues scores based on positive signals and of more aggressive tumour forms were labelled as a control group (i.e. number of cells that gave these signals. (who.int)
genic models are inadequate for number of activated CD8-positive T LMP1 was strongly expressed in the understanding the cancer etiology in cells increased considerably in the lymphoma tissues but was hardly the context of natural viral infection. (who.int)
The editing frequency of miR-379 was higher in prostate cancer tissues compared to benign tissues. (lu.se)

The calcifying epithelial odontogenic tumor (CEOT) is a rare benign odontogenic neoplasm that accounts for approximately 1% of all odontogenic tumors. (oldcitypublishing.com)
They are rare, benign tumors of epithelial origin and occur in less than 0.007-0.012% of the population. (medscape.com)
Basal cell adenoma (BCA) is a rare benign epithelial tumor of salivary gland. (entcase.org)

At one extreme, malignant phyllodes tumors, if inadequately treated, have a propensity for rapid growth and metastatic spread. (hindawi.com)
Moreover, ETP expression was associated with aggressive mammary tumor growth and high metastatic growth. (jci.org)
Pantomics Array Description: Stomach cancer tissue array containing 48 cases of paired primary and metastatic tumors (in. (delos.info)
CONCLUSIONS These results suggest that activation of VEGFR-1 by VEGF-A within the carcinoma, and activation of lymphatic endothelial cell VEGFR-3 by VEGF-D within the adjacent benign stroma may be important see more signaling mechanisms involved in the progression and subsequent metastatic spread of prostate cancer. (cdk-receptor.com)

It is a neoplasm, meaning it is a mass of abnormal growth of cells or tissue. (wikipedia.org)
While WT is described as the most common neoplasm among synchronous parotid gland tumors, WT in conjunction with PA is described as the most frequent synchronous parotid tumor combination [7]. (entcase.org)
Myxoma is an uncommon benign neoplasm originating in the ectomesenchymal portion of the odontogenic system, being classified as an odontogenic tumor. (bvsalud.org)
It is a myoepithelial or epithelial neoplasm that arises from pleomorphic adenoma, whether primary or recurrent. (org.pk)

Borderline ovarian tumors represent 10-20% of epithelial ovarian neoplasm's [ 5 ] with an incidence of 1.8-4.8 out of 100.000 women per year [ 6 ] and typically have an excellent prognosis. (intechopen.com)
The human "Elston and Ellis grading method" was utilized in dogs with mammary tumor to examine its relation to prognosis in this species, based on a 2-year follow-up period. (biomedcentral.com)
Furthermore, this research will allow a more discriminating classification of mammary tumors and probably has a bearing on cytohistopathology, epidemiology, pathogenesis and prognosis. (biomedcentral.com)
Each tumor marker has a variable profile of usefulness for screening, determining diagnosis and prognosis, assessing response to therapy, and monitoring for cancer recurrence. (aafp.org)

There are several types of benign epithelial tumors, including serous adenomas, mucinous adenomas, and Brenner tumors. (news-medical.net)
Hepatocellular adenomas (HCAs) are also known as hepatic adenomas, telangiectatic focal nodular hyperplasia (FNH) or, less commonly, liver cell adenomas. (medscape.com)
Pleomorphic adenomas and granular cell and benign cartilaginous tumors also occur. (msdmanuals.com)

Although benign, ameloblastic fibromas that occur in later decades as well as a third of treated ameloblastic fibromas can recur and around 11% may undergo malignant transformation, though this figure is questioned (4, 7). (wikipedia.org)
Although mammary tumors can occur at a younger age, they have a higher occurrence after 18 months of age. (ratguide.com)
Clinical behavior is typically benign, although rare local recurrences occur. (cap.org)
Carcinoid , or well-differentiated neuroendocrine tumor, of the ovary is uncommon but may occur as a monodermal teratoma or a somatic-type malignancy arising from a teratoma or dermoid cyst. (cap.org)
Approximately 70% of oral granular cell tumors occur in the tongue. (medscape.com)
It has also been postulated that stromal induction of phyllodes tumors can occur as a result of growth factors produced by the breast epithelium. (hindawi.com)
Moreover, the most often tumors occur in inguinal mammary (60%) and abdominal (27%) glands. (biomedcentral.com)
Sex cord-stromal cell tumors tend to occur in women past menopause. (mountsinai.org)

Histologically, these tumors resemble non-invasive, low-grade urothelial neoplasms. (cap.org)
Histologically, malignant Brenner tumors are associated with a benign or borderline/atypical proliferative Brenner tumor component. (cap.org)
Histologically, it shows sheets of polyhedral epithelial cells with deep eosinophilic cytoplasm and prominent nuclei. (oldcitypublishing.com)
Histologically, most of them are serous or mucinous, but endometrioid, clear cell, Brenner (transitional cell) or mixed histotypes can be also seen. (intechopen.com)
In 1981 [ 6 ] the World Health Organization adopted the term phyllodes tumor and as described by Rosen [ 7 ] subclassified them histologically as benign, borderline, or malignant according to the features such as tumor margins, stromal overgrowth, tumor necrosis, cellular atypia, and number of mitosis per high power field. (hindawi.com)

Based upon the histological grade of the tumour and TNM staging, the type of surgery is decided. (ispub.com)
It is a rare case to see synchronous salivary gland tumors with different histological type at the ipsilateral salivary gland. (entcase.org)
Synchronous ipsilateral salivary gland tumors with different histological type are rare in literature [6]. (entcase.org)
Epithelial ovarian cancer is the major ovarian malignancy and comprises five histological subtypes: serous, mucinous, endometrioid, transitional and clear cell [ 3 , 4 ]. (jcancer.org)

This case first appeared as Performance Improvement Program in Surgical Pathology (PIP) 2020, Case 31, and is benign Brenner tumor in the ovary. (cap.org)
Some are benign, or noncancerous, and the patient can be cured by surgically removing one ovary or the part of the ovary containing the tumor. (news-medical.net)
Epithelial ovarian tumors develop from the cells that cover the outer surface of the ovary. (news-medical.net)
The stage of the tumor can be ascertained during surgery, when it can be determined how far the tumor has spread from where it started in the ovary. (news-medical.net)
Stage IA - Growth is limited to one ovary and the tumor is confined to the inside of the ovary. (news-medical.net)
Ovary surface epithelial tumor tissue array (1.5mm), 48 cases of benign and malignant tumors. (delos.info)
Designed for IHC or ISH based protein or RNA tissue profiling in benign and malignant ovary surface epithelial tumors. (delos.info)

Its non association with impacted tooth, no calcifications in the incisional material and finally on excision giving its classical picture of prominent intercellular bridges, hyperchromatic polyhedral cells and amyloid with calcifications made it an interesting case to report. (oldcitypublishing.com)
Endovascular embolisation of these huge masses is useful preoperatively to reduce the tumour vascularity which aids in easier surgical excision. (columbiagypsy.net)
Phyllodes tumour usually affects unilateral breast and is much more common in adults (quite unusual in prepubertal age or adolescence).2 However, excision biopsy was performed to rule out malignant phyllodes tumour. (columbiagypsy.net)
Accurate preoperative pathological diagnosis allows correct surgical planning and avoidance of reoperation, either to achieve wider excision or for subsequent tumor recurrence [ 8 - 10 ]. (hindawi.com)
Before surgical excision of the tumour, FNAC was performed using a 0.6 mm diameter needle attached to a 10 ml syringe held in a standard metal syringe holder. (biomedcentral.com)
In order to find out about the structure and type of a tumour, after the excision, it is important to do a patohystological analysis of the extracted tissue. (syndromespedia.com)

Moreover, the most common type of tumor was complex carcinoma - 33.3% (5 cases). (biomedcentral.com)
To conduct a survey of the odontogenic myxomas diagnosed at the Laboratory of Surgical Pathology of a school of dentistry between 1991 and 2006, analyzing the following clinical variables: age, sex, skin color, patient symptomatology, anatomic localization and radiographic appearance of the lesion, in addition to the following microscopic variables: cell characteristics, type of tumor matrix and presence of odontogenic epithelial nests. (bvsalud.org)
When an ovarian tumor is present, your gynecologic oncologist will need to find out the type of tumor you have. (mountsinai.org)

WT is the second most common benign salivary gland tumor after pleomorphic adenoma (PA) [2]. (entcase.org)
More than 30 salivary gland tumors are listed in the World Health Organization salivary gland classification [9]. (entcase.org)

Researchers have demonstrated that genes activated during metastasis are also able to initiate primary tumor development, and they explain the molecular mechanism involved. (sciencedaily.com)
In cancer research, there has been a tendency to differentiate between the genes responsible for tumour development and those that give rise to metastasis and to study these processes separately since the cell functions required for these two mechanisms differ radically. (sciencedaily.com)
Researchers headed by Jordi Casanova at the Institute for Research in Biomedicine (IRB Barcelona) now demonstrate that genes activated during metastasis are also able to initiate primary tumour development, and they explain the molecular mechanism involved. (sciencedaily.com)
This overlap made us question whether the so-called epithelial-mesenchymal factors -- which activate genes associated with cell movement and migration, which are common in embryo development and are also present in metastasis -- play a role in tumour initiation," says Casanova. (sciencedaily.com)
Most primary airway tumors are not resectable because of metastasis, locally advanced stage, or patient comorbidities. (msdmanuals.com)
Recent studies indicate that BMP-6 is closely related to tumor differentiation and metastasis. (biomedcentral.com)
Consistent with the fact that higher level of δEF1 expression is associated with more invasive phenotype of breast cancer cells, our collective data suggests that δEF1 is likely the switch through which BMP-6 restores E-cadherin-mediated cell-to-cell adhesion and prevents breast cancer metastasis. (biomedcentral.com)
Matrix metalloproteinase-7 (MMP-7) facilitates degradation of the extracellular matrix, promoting the invasion of tumour cells, and is associated with cancer progression and metastasis. (jcancer.org)
Using cell culture, animal and patient studies, we investigated the biological role of microRNA-96 (miR-96) and microRNA-379 (miR-379) in prostate cancer bone metastasis. (lu.se)
Downregulation of miR-379 enhanced incidence of bone metastasis in mice, increased colony formation potential in osteoblast-conditioned media, and increased cell growth. (lu.se)

For patients with advanced breast cancer, the medication should be continued until tumor progression. (rxlist.com)
Adipocyte-derived factors involved in tumor progression include proteins such as adiponectin, leptin, TNF-α, monocyte chemotactic protein-1 (MCP-1), IL-6, and ECM components that control tumor cell behavior within the tumor microenvironment. (jci.org)
Studies have focused on the genetic and epigenetic status of CAFs, since they are critical in tumor progression and differ phenotypically and functionally from normal fibroblasts. (spandidos-publications.com)
Finally, CAFs promote cancer progression and act in cancer cell drug resistance. (spandidos-publications.com)
The association between loss or down-regulation of E-cadherin, an epithelial cell-cell adhesion protein, and progression of breast cancer has been extensively documented [ 3 , 4 ]. (biomedcentral.com)
MMP-7 facilitated the invasion and migration of ovarian tumour cells, indicating its key function in ovarian cancer progression. (jcancer.org)
[ 14 ] Subsequent work in our laboratory demonstrated that K17 serves as a nuclear shuttle of p27KIP1, resulting in sustained cell cycle progression. (medscape.com)
opment and progression including a The specimens were collected dur- Positive cells were counted in 10 possible viral etiology (5) . (who.int)

The cells are hyperchromatic, with pleomorphic nuclei and frequent mitotic figures. (cap.org)
The biopsy showed spindle cell component with mild atypia, invasion into surrounding tissue, and increased mitotic activity on the basis of which a diagnosis of Low-grade carcinoma ex pleomorphic adenoma developing in a background of pleomorphic adenoma was made. (org.pk)
3 Low-grade carcinoma ex pleomorphic adenoma can be of the following types: myoepithelial Carcinoma, epithelial-myoepithelial Carcinoma, basal cell adenocarcinoma, etc. (org.pk)

An ameloblastic fibroma is a fibroma of the ameloblastic tissue, that is, an odontogenic tumor arising from the enamel organ or dental lamina. (wikipedia.org)
The Ameloblastic Fibroma epithelial tissue could be confused with the most common odontogenic tumour, the Ameloblastoma. (wikipedia.org)
The malignant ameloblastic fibroma will have features of malignant transformation such as mitotic figures in either epithelial or mesenchymal tissue (8). (wikipedia.org)
Mammary fibroadenoma: A fibrous, benign, epithelial tumor in which cells are derived from glandular tissue. (ratguide.com)
Tumors can arise anywhere that mammary tissue type is present but is most often seen at the pit of the arm, abdomen, and groin of female rats. (ratguide.com)
These effects were partially mediated through enhanced TGF-β signaling, which contributes to tissue fibrosis and epithelial-mesenchymal transition (EMT) of tumor cells. (jci.org)
Kanchanara is beneficial in mucosal and epithelial hypertrophies (enlargement of tissue cells). (jainayurvedic.com)
In this regard, this gene causes overgrowth of the wing, modifies tissue structure, and activates a series of genetic changes in order to facilitate initial tumour growth. (sciencedaily.com)
Pantomics Array Description: Nervous system tumor tissue array consists of 48 cases of benign and malignant tumors of the nervous system. (delos.info)
Pantomics Array Description: Soft tissue tumor tissue array, set 1, non-overlapping with SFT962, 96 cores, 48 cases of benign and. (delos.info)
Pantomics Array Description: Thyroid cancer tissue array, 150 cores from normal/benign (5 cases) and cancer (70 cases with grading and. (delos.info)
METHODS The localization of VEGF-A, VEGF-C, VEGF-D, VEGF receptor (VEGFR)-1, VEGFR-2, and VEGFR-3 was examined in cancerous and adjacent benign prostate tissue from 52 subjects representing various grades of prostate cancer. (cdk-receptor.com)
In epithelial cells, VEGF-A and VEGFR-1 expression was higher in tumor tissue compared to benign tissue. (cdk-receptor.com)
VEGF-D and VEGFR-3 expression was significantly higher in benign tissue compared to tumor in the stroma and the endothelium of lymphatic and blood vessels. (cdk-receptor.com)
Nutlin-3a manufacturer In addition, the frequency of lymphatic vessels, but not blood vessels, was lower in tumor tissue compared with benign tissue. (cdk-receptor.com)
The main health concern with electromagnetic radiation emitted by wireless technologies is that EMF and RF cause a breakdown in the communication between cells in the body, interrupting DNA repair and weakening tissue and organ function. (heartland.org)
To determine if the same relationship exists in human tumors, we examined tissue samples of breast cancer from human subjects. (biomedcentral.com)

Tumors with endocrine influence such as pituitary and mammary gland have been most severely altered by ad libitum feeding (Boorman & Everitt, 2006). (ratguide.com)

Similar to other epithelial ovarian tumors, Benner tumors are classified as benign, borderline/atypical proliferative, or malignant. (cap.org)
Borderline/atypical proliferative Brenner tumors are often larger than benign Brenner tumors, with an average diameter of 18 cm. (cap.org)

The etiology of oral granular cell tumors is unknown. (medscape.com)
At present time, the exact etiology of phyllodes tumor and its relationship with fibroadenoma are unclear. (hindawi.com)
Etiology Human papillomavirus (HPV) infects epithelial cells. (msdmanuals.com)

Hepatocellular adenoma (HCA), also called hepatic adenoma, is an uncommon benign solid liver tumor. (medscape.com)
Hemoptysis, while uncommon, more often occurs with a squamous cell carcinoma and can potentially lead to earlier diagnosis, whereas wheezing or stridor occurs more often with the adenoid cystic variant. (msdmanuals.com)

The most common histopathological type of benign and malignant tumor was benign serous cystadenoma (27.30%), serous borderline tumor (0.38%) and serous carcinoma (9.23%), respectively. (journalcra.com)
A colorectal carcinoma is a malignant (cancerous) new growth that arises from cells in the bowel lining. (bioresonancetherapy.com.sg)
Myoepithelial Carcinoma is associated with a benign tumour in approximately 50-70% of cases. (org.pk)
Cervical cancer has multiple histologic subtypes, with squamous cell carcinoma (SCC) accounting for approximately 75% of cases and invasive adenocarcinoma accounting for 10% to 15% of cases. (medscape.com)
[ 11-13 ] By contrast, we discovered, using laser capture microdissection and mass spectrometry, that keratin 17 (K17) could predict the overall survival of patients with cervical squamous cell carcinoma more accurately than grade, stage, or any other clinicopathologic features. (medscape.com)
[ 15 ] Other studies have shown K17 to be a negative prognostic indicator in gastric adenocarcinoma, bladder carcinoma, epithelial ovarian carcinoma, and triple-negative breast carcinoma. (medscape.com)

Small cysts are often present, but benign Brenner tumors are rarely predominantly cystic. (cap.org)
Microscopically, the tumors are composed of solid to cystic nests of epithelial cells embedded in a fibrous stroma. (cap.org)
These tumors are predominantly cystic but may contain variable solid areas, often representing a coexisting benign Brenner component. (cap.org)
Other mass a predominantly cystic lesion, composed of basaloid cells and deposits of membrane like materials was diagnosed as BCA. (entcase.org)
I have a benign tumor or cystic lesson on my hard palate. (practo.com)

1 - 14 CA 27.29 also can be found in patients with benign disorders of the breast, liver, and kidney, and in patients with ovarian cysts. (aafp.org)
Iraq have demonstrated that most patients with benign epithelial mam- 100 lens for counting the positive cells. (who.int)

It is well known that caloric intake affects tumor incidence in rats. (ratguide.com)
Rats fed ad libitum (free-fed) have lower survival and a higher incidence of pancreatic, mammary, and pituitary tumors than rats fed a moderate dietary restriction of identical diets (Boorman & Everitt, 2006). (ratguide.com)
In addition to increasing tumor incidence, high caloric intake decreases latency and enhances tumor growth (Keenan et al, 1995). (ratguide.com)
They make up 0.3 to 0.5% of female breast tumors [ 1 ] and have an incidence of about 2.1 per million, the peak of which occurs in women aged 45 to 49 years [ 2 , 3 ]. (hindawi.com)
For other human tumour virus- primate species are related to the hu- tween data in humans and in experi- es, the use of humanized severe man tumour viruses, the incidence of mental animals is not obvious. (who.int)

An AdCC tumor is characterized by a distinctive pattern in which bundles of epithelial cells surround and/or infiltrate ducts or glandular structures within the organ. (cancer.net)
The surgical removal of an adenoma (a benign epithelial tumor in which the cells form recognizable glandular structures or in which the cells are clearly derived from glandular epithelium: the covering of internal and external surfaces of the body, including the lining of vessels and other small cavities). (wordinfo.info)

Congenital epulis also contains sheets and/or clusters of plump cells with a granular cytoplasm and rounded or oval nuclei. (medscape.com)
Good needle aspiration cytology Smear showed diffusely cellular stroma, bedding of epithelial cells and multiple bare nuclei with no atypia. (columbiagypsy.net)

He also described successful removal of neurogenic tumors from the posterior mediastinum and described a number of types of thymic tumors. (medscape.com)

The development and growth of mammary tumors are primarily dependent on estrogen and prolactin (hormones controlled by the pituitary gland and the hypothalamus) receptor concentrations. (ratguide.com)
Although most mammary tumors in rats are benign, if not treated will continue to grow becoming quite large measuring from several millimeters to several centimeters and encompassing up to half the body weight of the rat. (ratguide.com)

The conversion of an epithelial cell to a mesenchymal cell is critical to metazoan embryogenesis and a defining structural feature of organ development. (rupress.org)
Current interest in this process, which is described as an epithelial-mesenchymal transition (EMT), stems from its developmental importance and its involvement in several adult pathologies. (rupress.org)
The EMT International Association was formed in 2002 to provide an international body for those interested in EMT and the reverse process, mesenchymal-epithelial transition, and, most importantly, to bring together those working on EMT in development, cancer, fibrosis, and pathology. (rupress.org)
Single cell mesenchymal-type movement is characterized by an elongated cellular shape and again requires extracellular proteolysis and integrin engagement. (biomedcentral.com)
These two modes of cell movement are interconvertible and several moving cells, including tumor cells, show an high degree of plasticity in motility styles shifting ad hoc between mesenchymal or amoeboid movements. (biomedcentral.com)

Malignant mixed tumour, on the other hand, is characterized by perivascular and perineural invasion, significant cellular atypia and mitosis( 2 ). (ispub.com)
Large/central IDP subtypes (L/C ST) may be involved by complex, crowded benign cellular proliferations involved by varying degrees of apocrine metaplasia, which can mimic the histologic features of DCIS (see Microscopic Findings ). (medscape.com)

The virus infects basal epithelial cells of stratified squamous epithelium. (ghise-ioan.ro)
HPV has a predilection for differentiating squamous epithelium, where it infects and transforms host cells. (medscape.com)
chioloalveolar tumors, as well as degeneration and atrophy of nasal olfactory epithelium. (cdc.gov)

Rats do well when having these tumors removed, especially since the tumor tends to remain localized and is less invasive. (ratguide.com)
The invasive and migratory capabilities of tumour cells were tested with the transwell and wound healing assays, respectively. (jcancer.org)
Staining tended to be strongest at the periphery of pseudoglandular groups and at the invasive front of tumors. (medscape.com)

The CXCR3-ligand system is involved in thyroid inflammation and CXCR3 has been found upregulated in many tumors, suggesting its pro-tumorigenic role under the inflammatory microenvironment. (oncotarget.com)
Adipocytes represent a major cell type in the mammary tumor microenvironment and are important for tumor growth. (jci.org)
Cancer-associated fibroblasts (CAFs) are one major type of component identified in the tumor microenvironment. (spandidos-publications.com)
A common theme of these processes is a dynamic reorganization of actin cytoskeleton which has now emerged as a major switch control mainly carried out by Rho and Rac GTPase subfamilies, playing an acknowledged role in adaptation of cell motility to the microenvironment. (biomedcentral.com)

these are called borderline tumors or tumors of low malignant potential (LMP tumors). (news-medical.net)

Most common benign tumors of salivary glands are PA and WT. (entcase.org)
Sebaceous adenoma is a benign tumour of the sebaceal glands, that produce sebum, which is necessary for skin protection.This tumour may look like acne, but it is persistant. (syndromespedia.com)
HN - 2008 BX - Von Ebner's Glands MH - Cumulus Cells UI - D054885 MN - A05.360.319.114.630.535.200.500 MN - A06.407.312.497.535.300.500 MN - A11.436.300.500 MS - The granulosa cells of the cumulus oophorus which surround the OVUM in the GRAAFIAN FOLLICLE. (bvsalud.org)

An ameloblastic fibroma is classified by The World Health Organisation as a benign mixed odontogenic tumour (1). (wikipedia.org)
Odontogenic myxomas accounted for 0.3% of the 4,299 anatomopathological results and 1.89% of the odontogenic tumors. (bvsalud.org)
Odontogenic myxomas are benign tumors of rare occurrence among the odontogenic tumors, which accounts for divergent reports in the literature regarding the prevalence of some clinical and microscopic features of the tumor, evidencing the need for further studies. (bvsalud.org)
Odontogenic Tumors. (bvsalud.org)

Sex cord-stromal cell tumors- begin in the connective cells that hold the ovaries in place and produce female hormones. (mountsinai.org)

The concentrations of these hormones are found to be higher in hormone dependent tumors, whereas in hormone independent tumors (as seen in latter stages of mammary adenocarcinoma) they tend to be lower. (ratguide.com)
Another aim of this study was to differentiate the simple and adenocarcinoma tumors from the complex or mixed tumor described by Elston and Ellis grading method. (biomedcentral.com)

Brenner tumors are commonly associated with other ovarian neoplasms, including mucinous-type tumors. (cap.org)

Differential analysis The medical differential diagnoses clinically are juvenile (virginal) breast hypertrophy and phyllodes tumour. (columbiagypsy.net)

A somewhat similar lesion, congenital epulis, occurs less frequently than the granular cell tumor and occurs on the alveolar ridge of newborns. (medscape.com)
As a general rule, the depth of biopsy for granular cell tumors approximates the diameter of the lesion. (medscape.com)
The mass in the deep lobe, a predominantly solid, well-circumscribed lesion composed of ribbons of double-layered oncocytic cells and a lymphoid stroma with germinal center formation was diagnosed as WT. (entcase.org)
I have a benign lesion on my parotid gland so I need some further advice of what should I do. (practo.com)

Rarely, it may contain granular cells. (wikipedia.org)
Granular cell tumor. (medscape.com)
Malignancy is limited to approximately 1-2% of all granular cell tumors. (medscape.com)
Clinical photograph of a granular cell tumor on the tongue of a 38-year-old man. (medscape.com)
The head and neck region accounts for approximately 45-65% of all sites for granular cell tumors. (medscape.com)
The granular cell tumor is characterized by the presence of sheets or clusters of plump, polygonal cells with a granular cytoplasm. (medscape.com)
Malignant granular cell tumors, which fortunately are rare, may have a very benign histologic appearance. (medscape.com)
Treatment for granular cell tumors and congenital epulis is surgery. (medscape.com)
While extensive surgery is not indicated, recurrence of granular cell tumors has been reported several years after removal. (medscape.com)
however, surgical margins are difficult to determine intraoperatively in the case of the granular cell tumor. (medscape.com)
Granular cell tumors have been reported to recur several years after removal. (medscape.com)

The biopsy can be performed in different ways: using a fine needle biopsy or by surgically removing part or all of the tumor. (cancer.net)
Imaging guidance is also useful for an accurate good needle aspiration or core needle biopsy to differentiate this mass as benign or malignant. (columbiagypsy.net)
The value of FNAC in diagnosis of phyllodes tumour remains controversial, but core needle biopsy has high sensitivity and negative predictive value. (hindawi.com)
We do this by examining you, understanding your symptoms, and analyzing the cells of your tumor through a biopsy to determine if it is cancerous (malignant) or noncancerous (benign). (mountsinai.org)
This biopsy is usually performed as part of a surgery to remove the tumor. (mountsinai.org)

Frequently, diagnosis of AdCC is made after the surgical removal of a tumor first thought to be benign. (cancer.net)
Mean age at diagnosis is in the early 6th decade, and most tumors are unilateral. (cap.org)
Cytologically the presence of both epithelial and stromal elements supports the diagnosis. (hindawi.com)
An understanding of the embryology of this area, and of the anatomic relationships of the normal structures within the mediastinum, is essential for the proper diagnosis of a mass or tumor located in this area. (medscape.com)
In this study, the diagnosis and treatment process of a patient with an unrelated synchronous warthin tumor and basal cell adenoma combination in the ipsilateral parotid gland was described. (entcase.org)
The specimen collected for laboratory diagnosis of genital HPV are exfoliated cells from a female's cervical junction or a male's foreskin, balanopreputial sulcus, glans, and navicular fossa of the penis. (medscape.com)

The term phyllodes tumor represents a broad range of fibroepithelial diseases and presence of an epithelial component with stromal components differentiates the phyllodes tumor from other stromal sarcomas. (hindawi.com)

Not long afterward, other surgeons began to approach abnormalities of the anterior mediastinum, specifically tumors and infections of the thymus and anterior mediastinal lymph nodes. (medscape.com)

Grossly, benign Brenner tumors are small (typically less than 2 cm) and unilateral. (cap.org)
Result: A total of 260 cases of ovarian tumors were studied, 243 were unilateral and 17were bilateral. (journalcra.com)

Heuer noted that at that time, dermoid cysts and teratomas were the most commonly found tumors of the mediastinum. (medscape.com)

In monitoring patients for disease recurrence, tumor marker levels should be determined only when there is a potential for meaningful treatment. (aafp.org)

Warthin tumor (WT) is predominantly seen in parotid gland. (entcase.org)
Most of the tumors that develop this way are seen in parotid gland. (entcase.org)

The International EMF Scientist Appeal calls upon the United Nations and the World Health Organization to address the emerging public health crisis related to cell phones, wireless devices, wireless utility [smart] meters and wireless infrastructure in neighborhoods and to substantially reduce human exposures to non-ionizing radiation. (heartland.org)

Histologic sections show small nests of cytologically bland epithelial cells with abundant clear to eosinophilic cytoplasm distributed within a fibromatous stroma. (cap.org)

Clinical characteristics of patients with COVID-19 harboring detectable intracellular SARS-CoV-2 RNA in peripheral blood cells. (google.com)
On clinical presentation, features like facial weakness, pain and paresthesia hint towards invasion by a malignant tumour. (ispub.com)
In contrast, benign phyllodes tumors on clinical, radiological, and cytological examination are often indistinguishable from fibroadenomas and can be cured by local surgery. (hindawi.com)
However, a consistent increase in tumor marker levels, coupled with lack of clinical improvement, may indicate treatment failure. (aafp.org)

Ovarian tumors are named according to the type of cells the tumor started from and whether the tumor is benign or cancerous. (news-medical.net)

They are composed of irregular nests of malignant cells with stromal invasion, often associated with a desmoplastic reaction. (cap.org)

Anatomy33

Organisms8

Diseases104

Chemicals and Drugs35

Analytical, Diagnostic and Therapeutic Techniques and Equipment41

Phenomena and Processes36

Disciplines and Occupations2

Information Science3

Health Care5

Proliferation12

Lesions22

Types of ovarian tumors2

Tumours15

Carcinomas9

Germ14

Tissues9

Rare benign3

Metastatic4

Neoplasm4

Prognosis4

Adenomas3

Occur8

Histologically5

Histological4

Ovary7

Excision6

Type of tumor3

Salivary gland2

Metastasis10

Progression8

Pleomorphic3

Tissue17

Endocrine1

Atypical proliferative2

Etiology3

Uncommon2

Carcinoma6

Cystic5

Patients with benign2

Incidence5

Glandular2

Nuclei2

Thymic tumors1

Mammary Tumors2

Mesenchymal5

Cellular2

Epithelium3

Invasive3

Microenvironment4

Borderline tumors1

Glands3

Odontogenic4

Cord-stromal1

Adenocarcinoma2

Neoplasms1

Differential1

Lesion4

Granular11

Biopsy5

Diagnosis6

Phyllodes tumor1

Mediastinal lymph nodes1

Unilateral2

Teratomas1

Recurrence1

Parotid gland2

World Health Organ1

Histologic1

Clinical4

Cancerous1

Stromal invasion1