Adrenal Cortex
The outer layer of the adrenal gland. It is derived from MESODERM and comprised of three zones (outer ZONA GLOMERULOSA, middle ZONA FASCICULATA, and inner ZONA RETICULARIS) with each producing various steroids preferentially, such as ALDOSTERONE; HYDROCORTISONE; DEHYDROEPIANDROSTERONE; and ANDROSTENEDIONE. Adrenal cortex function is regulated by pituitary ADRENOCORTICOTROPIN.
Adrenal Glands
Adrenal Medulla
The inner portion of the adrenal gland. Derived from ECTODERM, adrenal medulla consists mainly of CHROMAFFIN CELLS that produces and stores a number of NEUROTRANSMITTERS, mainly adrenaline (EPINEPHRINE) and NOREPINEPHRINE. The activity of the adrenal medulla is regulated by the SYMPATHETIC NERVOUS SYSTEM.
Zona Reticularis
Adrenocorticotropic Hormone
An anterior pituitary hormone that stimulates the ADRENAL CORTEX and its production of CORTICOSTEROIDS. ACTH is a 39-amino acid polypeptide of which the N-terminal 24-amino acid segment is identical in all species and contains the adrenocorticotrophic activity. Upon further tissue-specific processing, ACTH can yield ALPHA-MSH and corticotrophin-like intermediate lobe peptide (CLIP).
Zona Fasciculata
Cerebral Cortex
Adrenal Insufficiency
Prefrontal Cortex
The rostral part of the frontal lobe, bounded by the inferior precentral fissure in humans, which receives projection fibers from the MEDIODORSAL NUCLEUS OF THE THALAMUS. The prefrontal cortex receives afferent fibers from numerous structures of the DIENCEPHALON; MESENCEPHALON; and LIMBIC SYSTEM as well as cortical afferents of visual, auditory, and somatic origin.
Visual Cortex
Zona Glomerulosa
Adrenocortical Adenoma
A benign neoplasm of the ADRENAL CORTEX. It is characterized by a well-defined nodular lesion, usually less than 2.5 cm. Most adrenocortical adenomas are nonfunctional. The functional ones are yellow and contain LIPIDS. Depending on the cell type or cortical zone involved, they may produce ALDOSTERONE; HYDROCORTISONE; DEHYDROEPIANDROSTERONE; and/or ANDROSTENEDIONE.
Steroid 11-beta-Hydroxylase
A mitochondrial cytochrome P450 enzyme that catalyzes the 11-beta-hydroxylation of steroids in the presence of molecular oxygen and NADPH-FERRIHEMOPROTEIN REDUCTASE. This enzyme, encoded by CYP11B1 gene, is important in the synthesis of CORTICOSTERONE and HYDROCORTISONE. Defects in CYP11B1 cause congenital adrenal hyperplasia (ADRENAL HYPERPLASIA, CONGENITAL).
Motor Cortex
Area of the FRONTAL LOBE concerned with primary motor control located in the dorsal PRECENTRAL GYRUS immediately anterior to the central sulcus. It is comprised of three areas: the primary motor cortex located on the anterior paracentral lobule on the medial surface of the brain; the premotor cortex located anterior to the primary motor cortex; and the supplementary motor area located on the midline surface of the hemisphere anterior to the primary motor cortex.
Adrenal Cortex Function Tests
Adrenocortical Carcinoma
A malignant neoplasm of the ADRENAL CORTEX. Adrenocortical carcinomas are unencapsulated anaplastic (ANAPLASIA) masses sometimes exceeding 20 cm or 200 g. They are more likely to be functional than nonfunctional, and produce ADRENAL CORTEX HORMONES that may result in hypercortisolism (CUSHING SYNDROME); HYPERALDOSTERONISM; and/or VIRILISM.
Auditory Cortex
Adrenal Hyperplasia, Congenital
A group of inherited disorders of the ADRENAL GLANDS, caused by enzyme defects in the synthesis of cortisol (HYDROCORTISONE) and/or ALDOSTERONE leading to accumulation of precursors for ANDROGENS. Depending on the hormone imbalance, congenital adrenal hyperplasia can be classified as salt-wasting, hypertensive, virilizing, or feminizing. Defects in STEROID 21-HYDROXYLASE; STEROID 11-BETA-HYDROXYLASE; STEROID 17-ALPHA-HYDROXYLASE; 3-beta-hydroxysteroid dehydrogenase (3-HYDROXYSTEROID DEHYDROGENASES); TESTOSTERONE 5-ALPHA-REDUCTASE; or steroidogenic acute regulatory protein; among others, underlie these disorders.
Somatosensory Cortex
Cosyntropin
Aldosterone
Hydrocortisone
Adrenodoxin
Corticosterone
Aldosterone Synthase
A mitochondrial cytochrome P450 enzyme that catalyzes the 18-hydroxylation of steroids in the presence of molecular oxygen and NADPH-specific flavoprotein. This enzyme, encoded by CYP11B2 gene, is important in the conversion of CORTICOSTERONE to 18-hydroxycorticosterone and the subsequent conversion to ALDOSTERONE.
Cholesterol Side-Chain Cleavage Enzyme
A mitochondrial cytochrome P450 enzyme that catalyzes the side-chain cleavage of C27 cholesterol to C21 pregnenolone in the presence of molecular oxygen and NADPH-FERRIHEMOPROTEIN REDUCTASE. This enzyme, encoded by CYP11A1 gene, catalyzes the breakage between C20 and C22 which is the initial and rate-limiting step in the biosynthesis of various gonadal and adrenal steroid hormones.
Steroidogenic Factor 1
A transcription factor and member of the nuclear receptor family NR5 that is expressed throughout the adrenal and reproductive axes during development. It plays an important role in sexual differentiation, formation of primary steroidogenic tissues, and their functions in post-natal and adult life. It regulates the expression of key steroidogenic enzymes.
Cattle
Steroid 21-Hydroxylase
An adrenal microsomal cytochrome P450 enzyme that catalyzes the 21-hydroxylation of steroids in the presence of molecular oxygen and NADPH-FERRIHEMOPROTEIN REDUCTASE. This enzyme, encoded by CYP21 gene, converts progesterones to precursors of adrenal steroid hormones (CORTICOSTERONE; HYDROCORTISONE). Defects in CYP21 cause congenital adrenal hyperplasia (ADRENAL HYPERPLASIA, CONGENITAL).
Cushing Syndrome
A condition caused by prolonged exposure to excess levels of cortisol (HYDROCORTISONE) or other GLUCOCORTICOIDS from endogenous or exogenous sources. It is characterized by upper body OBESITY; OSTEOPOROSIS; HYPERTENSION; DIABETES MELLITUS; HIRSUTISM; AMENORRHEA; and excess body fluid. Endogenous Cushing syndrome or spontaneous hypercortisolism is divided into two groups, those due to an excess of ADRENOCORTICOTROPIN and those that are ACTH-independent.
Adrenocortical Hyperfunction
Addison Disease
An adrenal disease characterized by the progressive destruction of the ADRENAL CORTEX, resulting in insufficient production of ALDOSTERONE and HYDROCORTISONE. Clinical symptoms include ANOREXIA; NAUSEA; WEIGHT LOSS; MUSCLE WEAKNESS; and HYPERPIGMENTATION of the SKIN due to increase in circulating levels of ACTH precursor hormone which stimulates MELANOCYTES.
Steroid 17-alpha-Hydroxylase
A microsomal cytochrome P450 enzyme that catalyzes the 17-alpha-hydroxylation of progesterone or pregnenolone and subsequent cleavage of the residual two carbons at C17 in the presence of molecular oxygen and NADPH-FERRIHEMOPROTEIN REDUCTASE. This enzyme, encoded by CYP17 gene, generates precursors for glucocorticoid, androgen, and estrogen synthesis. Defects in CYP17 gene cause congenital adrenal hyperplasia (ADRENAL HYPERPLASIA, CONGENITAL) and abnormal sexual differentiation.
Entorhinal Cortex
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).
Adosterol
Pregnenolone
Kidney Cortex
Immunohistochemistry
Neoplasms
Ferredoxin-NADP Reductase
17-Hydroxycorticosteroids
Brain Mapping
Hyperaldosteronism
Magnetic Resonance Imaging
Pituitary-Adrenal System
Steroids
A group of polycyclic compounds closely related biochemically to TERPENES. They include cholesterol, numerous hormones, precursors of certain vitamins, bile acids, alcohols (STEROLS), and certain natural drugs and poisons. Steroids have a common nucleus, a fused, reduced 17-carbon atom ring system, cyclopentanoperhydrophenanthrene. Most steroids also have two methyl groups and an aliphatic side-chain attached to the nucleus. (From Hawley's Condensed Chemical Dictionary, 11th ed)
Neoplasms, Cystic, Mucinous, and Serous
Pheochromocytoma
A usually benign, well-encapsulated, lobular, vascular tumor of chromaffin tissue of the ADRENAL MEDULLA or sympathetic paraganglia. The cardinal symptom, reflecting the increased secretion of EPINEPHRINE and NOREPINEPHRINE, is HYPERTENSION, which may be persistent or intermittent. During severe attacks, there may be HEADACHE; SWEATING, palpitation, apprehension, TREMOR; PALLOR or FLUSHING of the face, NAUSEA and VOMITING, pain in the CHEST and ABDOMEN, and paresthesias of the extremities. The incidence of malignancy is as low as 5% but the pathologic distinction between benign and malignant pheochromocytomas is not clear. (Dorland, 27th ed; DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1298)
Chromaffin Cells
Cells that store epinephrine secretory vesicles. During times of stress, the nervous system signals the vesicles to secrete their hormonal content. Their name derives from their ability to stain a brownish color with chromic salts. Characteristically, they are located in the adrenal medulla and paraganglia (PARAGANGLIA, CHROMAFFIN) of the sympathetic nervous system.
Dehydroepiandrosterone
A major C19 steroid produced by the ADRENAL CORTEX. It is also produced in small quantities in the TESTIS and the OVARY. Dehydroepiandrosterone (DHEA) can be converted to TESTOSTERONE; ANDROSTENEDIONE; ESTRADIOL; and ESTRONE. Most of DHEA is sulfated (DEHYDROEPIANDROSTERONE SULFATE) before secretion.
Receptor, Melanocortin, Type 2
RNA, Messenger
RNA sequences that serve as templates for protein synthesis. Bacterial mRNAs are generally primary transcripts in that they do not require post-transcriptional processing. Eukaryotic mRNA is synthesized in the nucleus and must be exported to the cytoplasm for translation. Most eukaryotic mRNAs have a sequence of polyadenylic acid at the 3' end, referred to as the poly(A) tail. The function of this tail is not known for certain, but it may play a role in the export of mature mRNA from the nucleus as well as in helping stabilize some mRNA molecules by retarding their degradation in the cytoplasm.
Cerebellar Cortex
Hypothalamo-Hypophyseal System
A collection of NEURONS, tracts of NERVE FIBERS, endocrine tissue, and blood vessels in the HYPOTHALAMUS and the PITUITARY GLAND. This hypothalamo-hypophyseal portal circulation provides the mechanism for hypothalamic neuroendocrine (HYPOTHALAMIC HORMONES) regulation of pituitary function and the release of various PITUITARY HORMONES into the systemic circulation to maintain HOMEOSTASIS.
Hypophysectomy
Mitochondria
Semiautonomous, self-reproducing organelles that occur in the cytoplasm of all cells of most, but not all, eukaryotes. Each mitochondrion is surrounded by a double limiting membrane. The inner membrane is highly invaginated, and its projections are called cristae. Mitochondria are the sites of the reactions of oxidative phosphorylation, which result in the formation of ATP. They contain distinctive RIBOSOMES, transfer RNAs (RNA, TRANSFER); AMINO ACYL T RNA SYNTHETASES; and elongation and termination factors. Mitochondria depend upon genes within the nucleus of the cells in which they reside for many essential messenger RNAs (RNA, MESSENGER). Mitochondria are believed to have arisen from aerobic bacteria that established a symbiotic relationship with primitive protoeukaryotes. (King & Stansfield, A Dictionary of Genetics, 4th ed)
Adrenarche
A stage of development at which the ADRENAL GLANDS undergo maturation leading to the capability of producing increasing amounts of adrenal androgens, DEHYDROEPIANDROSTERONE and ANDROSTENEDIONE. Adrenarche usually begins at about 7 or 8 years of age before the signs of PUBERTY and continues throughout puberty.
Rats, Sprague-Dawley
Progesterone Reductase
Brain
The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM.
Neoplasms, Multiple Primary
Dehydroepiandrosterone Sulfate
Rats, Inbred Strains
Neurons
Glucocorticoids
A group of CORTICOSTEROIDS that affect carbohydrate metabolism (GLUCONEOGENESIS, liver glycogen deposition, elevation of BLOOD SUGAR), inhibit ADRENOCORTICOTROPIC HORMONE secretion, and possess pronounced anti-inflammatory activity. They also play a role in fat and protein metabolism, maintenance of arterial blood pressure, alteration of the connective tissue response to injury, reduction in the number of circulating lymphocytes, and functioning of the central nervous system.
Metyrapone
Steroid Hydroxylases
Cytochrome P-450 Enzyme System
A superfamily of hundreds of closely related HEMEPROTEINS found throughout the phylogenetic spectrum, from animals, plants, fungi, to bacteria. They include numerous complex monooxygenases (MIXED FUNCTION OXYGENASES). In animals, these P-450 enzymes serve two major functions: (1) biosynthesis of steroids, fatty acids, and bile acids; (2) metabolism of endogenous and a wide variety of exogenous substrates, such as toxins and drugs (BIOTRANSFORMATION). They are classified, according to their sequence similarities rather than functions, into CYP gene families (>40% homology) and subfamilies (>59% homology). For example, enzymes from the CYP1, CYP2, and CYP3 gene families are responsible for most drug metabolism.
Histocytochemistry
Rats, Wistar
Microscopy, Electron
Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much greater magnification. The interactions of ELECTRONS with specimens are used to provide information about the fine structure of that specimen. In TRANSMISSION ELECTRON MICROSCOPY the reactions of the electrons that are transmitted through the specimen are imaged. In SCANNING ELECTRON MICROSCOPY an electron beam falls at a non-normal angle on the specimen and the image is derived from the reactions occurring above the plane of the specimen.
Frontal Lobe
Hyperplasia
Organ Specificity
Photic Stimulation
Angiotensin II
An octapeptide that is a potent but labile vasoconstrictor. It is produced from angiotensin I after the removal of two amino acids at the C-terminal by ANGIOTENSIN CONVERTING ENZYME. The amino acid in position 5 varies in different species. To block VASOCONSTRICTION and HYPERTENSION effect of angiotensin II, patients are often treated with ACE INHIBITORS or with ANGIOTENSIN II TYPE 1 RECEPTOR BLOCKERS.
Fetus
Tissue Distribution
Accumulation of a drug or chemical substance in various organs (including those not relevant to its pharmacologic or therapeutic action). This distribution depends on the blood flow or perfusion rate of the organ, the ability of the drug to penetrate organ membranes, tissue specificity, protein binding. The distribution is usually expressed as tissue to plasma ratios.
Mineralocorticoids
A group of CORTICOSTEROIDS primarily associated with water and electrolyte balance. This is accomplished through the effect on ION TRANSPORT in renal tubules, resulting in retention of sodium and loss of potassium. Mineralocorticoid secretion is itself regulated by PLASMA VOLUME, serum potassium, and ANGIOTENSIN II.
Chromaffin System
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.
Molecular Sequence Data
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
In Situ Hybridization
Functional Laterality
Parietal Lobe
Gyrus Cinguli
Base Sequence
Primary aldosteronism with aldosterone-producing adrenal adenoma in a pregnant woman. (1/605)
A 30-year-old pregnant woman complained of muscle weakness at 29 weeks' gestation. She was hypertensive with severe hypokalemia. Lower plasma renin activity and higher aldosterone level than the normal values in pregnancy suggested primary aldosteronism. A cesarean delivery was performed at 31 weeks' gestation because of pulmonary congestion. The neonatal course was uncomplicated. The laparoscopic adrenalectomy for a 2.0-cm right adrenal adenoma resulted in normalizing of her blood pressure and serum potassium level. Although primary aldosteronism is rare, especially during pregnancy, it should be always considered as one of etiologies of hypertension in pregnancy. (+info)The expression of inhibin/activin subunits in the human adrenal cortex and its tumours. (2/605)
Inhibins and activins are dimeric proteins of the transforming growth factor-beta superfamily which have been shown to be expressed in the adrenal cortex. Recent studies have suggested a role for these peptides in the pathogenesis and/or function of adrenal tumours. To investigate further their physiological and pathological roles, we have documented immunoreactivity for inhibin alpha, betaA and betaB subunits in normal adult and fetal human adrenals, in hyperplastic adrenals and in adrenal tumours. In the normal and hyperplastic adult gland, diffuse immunopositivity was demonstrated for beta subunits, suggesting that activins (beta beta dimers) can be expressed in all zones. Inhibin alpha was limited to the zona reticularis and the innermost zona fasciculata in the normal gland, extending centripetally into the zona fasciculata in hyperplasia, supporting a role for ACTH in the regulation of expression, and suggesting that expression of inhibins (alpha beta dimers) is restricted. Immunopositivity for all three subunits was seen in both fetal and definitive zones of the fetal cortex, indicating that both inhibins and activins could be expressed in both. Immunopositivity for all three subunits was seen in most adrenocortical tumours. Loss of immunopositivity for inhibin alpha in a subgroup of carcinomas might indicate a role in tumour progression. The greater intensity of staining for inhibin alpha in tumours associated with Cushing's syndrome again suggests a link with cortisol production. (+info)Androgen secreting adrenocortical tumours. (3/605)
BACKGROUND: Androgen secreting adrenocortical tumours are rare in children and the determination of their malignant potential can be difficult. OBJECTIVES: To assess the presentation, histology, and clinical behaviour of these tumours. SETTING: Two tertiary referral centres. STUDY DESIGN: Retrospective analysis of children diagnosed with an androgen secreting adrenocortical tumour between 1976 and 1996. PATIENTS: Twenty three girls and seven boys aged 0-14 years. RESULTS: Pubic hair was observed in all children, clitoromegaly or growth of the phallus in 23 children, acceleration of linear growth in 22 children, and advanced bone age (> 1.5 years) in 18 children. Hypersecretion of androgens was detected by assessment of serum androgen concentrations alone in four patients and by 24 hour urine steroid excretion profiles in 22 patients. All 16 tumours measuring < 5 cm in diameter were benign. Of the tumours measuring 5-9 cm, three were malignant and seven were benign, whereas all four tumours > 10 cm were malignant. Histological slides were available for reassessment in 25 children. Although mitoses and necrosis were more characteristic of tumours with malignant behaviour, no exclusive histological features of malignancy were seen. CONCLUSION: Histological criteria for malignancy are not reliable, whereas tumour size is important in assessing malignant potential. (+info)Adrenocortical oncocytoma. (4/605)
The histopathology and ultrastructural features of an adrenocortical oncocytoma are reported. The tumour was discovered incidentally during investigation for hypertension in a 72 year old female. Oncocytic tumours of the adrenal cortex are rare, with only 20 examples described in English language reports. Most have been non-functioning and benign, like the present example. Molecular studies may help assess the significance of oncocytic change in the pathogenesis and behaviour of oncocytic neoplasms. (+info)Cloning of a novel kinase (SIK) of the SNF1/AMPK family from high salt diet-treated rat adrenal. (5/605)
PCR-coupled cDNA subtraction hybridization was adapted to identify the genes expressed in the adrenocortical tissues from high salt diet-treated rat. A novel cDNA clone, termed salt-inducible kinase (SIK), encoding a polypeptide (776 amino acids) with significant similarity to protein serine/ threonine kinases in the SNF1/AMPK family was isolated. An in vitro kinase assay demonstrated that SIK protein had autophosphorylation activity. Northern blot revealed that SIK mRNA levels were markedly augmented by ACTH treatment both in rat adrenal glands and in Y1 cells. SIK may play an important role in the regulation of adrenocortical functions in response to high plasma salt and ACTH stimulation. (+info)Autocrine role of IGF-II in proliferation of human adrenocortical carcinoma NCI H295R cell line. (6/605)
In adrenocortical tumors, the malignant phenotype is associated with rearrangements (paternal isodisomy) at the 11p15 locus and IGF-II gene overexpression, strongly suggesting that the IGF system is a major determinant of adrenocortical tumor progression. The aim of this study was to validate an in vitro model for investigating the involvement of the IGF system in adrenocortical tumorigenesis. We analyzed the production of IGF mRNA and proteins, IGF-binding proteins (IGFBPs) and IGF receptors by the NCI H295R cell line, which is derived from a human adult adrenocortical carcinoma. H295R cells were shown to proliferate for a long period (26 days) in the absence of serum or any added growth factor. Northern blot analyses showed high IGF-II mRNA contents in H295R cells. The cells secreted large amounts of IGF-II protein (14 ng/10(6) cells per 48 h) although no IGF-I protein was detected. Western ligand blot analyses of conditioned media detected the presence of large amounts of a 34 kDa protein, which was identified as IGFBP-2 by immunoblotting. The presence of high-affinity binding sites for IGF-I and IGF-II on H295R cells was shown by binding experiments using radiolabeled IGFs and confirmed by reverse transcription PCR analyses showing type 1 and type 2 IGF receptors. Proliferation of H295R cells was inhibited by anti-IGF-II antibody (45%) and by anti-type 1 IGF receptor antibody (53%) indicating that IGF-II is an autocrine growth factor for these cells and that its effects are, at least in part, mediated by the type 1 IGF receptor. These findings confirm the involvement of the IGF system in adrenocortical tumors and suggest that the H295R cell line is a suitable in vitro model for studying the molecular mechanisms of adrenocortical tumor proliferation. (+info)Evidence for a potential role for HDL as an important source of cholesterol in human adrenocortical tumors via the CLA-1 pathway. (7/605)
CLA-1, a human homologue of rodent scavenger receptor class B1 (SR-B1), has been identified as a receptor for high density lipoprotein (HDL) and is highly expressed in the adrenal gland. Several studies have indicated that HDL might be a source of cholesterol for steroidogenesis in the adrenal gland. In this study, we show that ACTH and its second messenger cAMP stimulated CLA-1 protein expression in a human adrenocortical cell line. We also determined whether CLA-1 plays an important role in steroidogenesis by investigating CLA-1 expression levels in various adrenal tumors including the adenomas of Cushing's and Conn's syndrome. Western blot analysis showed that CLA-1 expression was much higher in the tumors of Cushing's syndrome than in non-tumor lesions of Conn's syndrome and pheochromocytoma. We were able to detect a strong CLA-1 signal in tumors of Conn's syndrome, too. On the other hand, much less CLA-1 expression was detected in Cushing's adenoma adjacent adrenal glands. The immunohistochemical analysis showed that CLA-1 was expressed in the outer region of the adrenal cortex mainly in plasma membranes of the cortical cells but not in the medulla. These findings demonstrated for the first time that ACTH increased CLA-1 protein in cultured human adrenocortical cells, and that cortisol- and aldosterone-secreting adenomas had high CLA-1 proteins in their cell surfaces. (+info)A patient with preclinical Cushing's syndrome and excessive DHEA-S secretion having unilateral adrenal carcinoma and contralateral adenoma. (8/605)
We report a case of preclinical Cushing's syndrome in a 54-year-old male associated with bilateral adrenocortical tumours. Physical findings and general laboratory data were unremarkable except for mild hypertension (158/90 mmHg) and impaired glucose tolerance. Endocrinological evaluation revealed the presence of autonomous cortisol secretion including unsuppressible serum cortisol by 8 mg dexamethasone test (11 microg/dl), high serum DHEA-S (3580 ng/ml, normal: 400-3500) and increased urinary 17-KS excretion (31.0-35.8 mg/day, normal: 5.8-21.3). CT scan demonstrated the presence of tumours in both adrenals and bilateral adrenalectomy was subsequently performed. Histological examination of the resected specimens revealed an adrenocortical carcinoma on the right side and an adenoma on the left side with noticeable cortical atrophy in non-neoplastic adrenals. Immunohistochemical study of steroidogenic enzymes demonstrated that all the steroidogenic enzymes involved in cortisol biosynthesis were expressed in both right and left adrenal tumours. Enzymatic activities of 21, 17alpha, 18, 11beta-hydroxylases were detected in both right and left adrenals except for the absence of 11beta-hydroxylase activity in the left adrenal adenoma. Results of in vitro tissue steroidogenesis examined in short-term tissue culture of the specimens revealed no significant differences between carcinoma and adenoma in cortisol production, but the production of adrenal androgens in carcinoma was significantly higher than that in adenoma, which may indicate the importance of evaluating adrenal androgen levels in patients with adrenocortical neoplasms. (+info)
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Adrenocortical adenoma
... is commonly described as a benign neoplasm emerging from the cells that comprise the adrenal cortex. ... If functional, adrenocortical adenomas can affect the normal activities of the adrenal cortex. Located within the adrenal ... Hypercortisolism Hyperaldosteronism Hyperandrogenism Adrenal gland Adrenal paraganglioma Adrenal Pheochromocytoma Adrenal ... The adrenal cortex is considered a dynamic organ in which senescent cells are replaced by newly differentiated cells. This ...
Laboratory rat
The most common are adenomas of the pituitary and adenomas/adenocarcinomas of the adrenal cortex in both sexes, mammary gland ... Comparison of Neoplasms in Six Sources of Rats Diamond JM (January 2006). Collapse: How Societies Choose to Fail or Succeed. ... There were even significant variations in the incidences of adrenal medulla tumors among rats from the same source raised in ... The Lewis rat suffers from several spontaneous pathologies: first, they can suffer from high incidences of neoplasms, with the ...
List of MeSH codes (C19)
MeSH C19.053.098.265 - adrenal cortex neoplasms MeSH C19.053.098.265.500 - adrenocortical adenoma MeSH C19.053.098.265.750 - ... adrenal cortex neoplasms MeSH C19.053.347.500.500 - adrenocortical adenoma MeSH C19.053.347.500.750 - adrenocortical carcinoma ... adrenal cortex neoplasms MeSH C19.344.078.265.500 - adrenocortical adenoma MeSH C19.344.078.265.750 - adrenocortical carcinoma ... ovarian neoplasms MeSH C19.391.630.705.265 - brenner tumor MeSH C19.391.630.705.331 - carcinoma, endometrioid MeSH C19.391. ...
Adrenal tumor
An adrenal tumor or adrenal mass is any benign or malignant neoplasms of the adrenal gland, several of which are notable for ... The adrenal cortex is composed of three distinct layers of endocrine cells which produce critical steroid hormones. These ... "Adrenal Cortical Neoplasms: Perspectives in Pediatric Patients". In Santulli, Gaetano (ed.). Adrenal Glands: From ... Pheochromocytoma is a neoplasm composed of cells similar to the chromaffin cells of the mature adrenal medulla. ...
MEN1
In rare cases, adrenal cortex tumours are also seen. Most germline or somatic mutations in the MEN1 gene predict truncation or ... The MEN1 phenotype is inherited via an autosomal-dominant pattern and is associated with neoplasms of the pituitary gland, the ... and ependymomas are observed neoplasms. In a study of 12 sporadic carcinoid tumors of the lung, five cases involved ...
List of MeSH codes (C04)
... peritoneal neoplasms MeSH C04.588.322.078 - adrenal gland neoplasms MeSH C04.588.322.078.265 - adrenal cortex neoplasms MeSH ... 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 ...
Oral pigmentation
... as a result of deficient amounts of hormones being produced from the adrenal cortex. Due to this, dark pigmentation may be ... HIV Antimalarial drug therapy This is an intermediate neoplasm which affects the skin and mucous membranes; usually arising in ... where the infection can lead to destruction of the adrenal gland. Pregnancy[citation needed] Oral contraceptive intake[citation ...
Zona reticularis
... is the innermost layer of the adrenal cortex, lying deep to the zona fasciculata and superficial to the adrenal medulla. The ... Coppola, Christopher P.; Merrell, Ronald C. (2001). "Neoplasms of the Adrenal and Endocrine Pancreas in the Elderly". In ... These precursors are not further converted in the adrenal cortex if the cells lack 17β-Hydroxysteroid dehydrogenase. Instead, ... Pediatric Adrenal Insufficiency (Addison Disease) at eMedicine Ibáñez L, Potau N, Marcos MV, de Zegher F (September 1999). " ...
Adrenal medulla
It is located at the center of the gland, being surrounded by the adrenal cortex. It is the innermost part of the adrenal gland ... Neoplasms include: Pheochromocytoma (most common), a catecholamine-secreting tumor of the adrenal medulla Neuroblastoma, a ... The adrenal medulla (Latin: medulla glandulae suprarenalis) is part of the adrenal gland. ... Rather than releasing a neurotransmitter, the cells of the adrenal medulla secrete hormones. The adrenal medulla is the ...
Adrenocortical hormone
... the adrenocortical hormones are hormones produced by the adrenal cortex, the outer region of the adrenal gland. These ... Low, G., & Sahi, K. (2012). Clinical and imaging overview of functional adrenal neoplasms. International Journal of Urology, 19 ... The glucocorticoid family of hormones is synthesized in the middle layer of the adrenal cortex known as the zona fasciculata. ... Androgens, or sex hormones, are synthesized in the innermost layer of the adrenal cortex known as the zona reticularis. These ...
Adrenocortical carcinoma
"Diseases of the Adrenal Cortex: Adrenal Cancer". EndocrineWeb. Updated on: 04/14/16 Albano D, Agnello F, Midiri F, Pecoraro G, ... Finally, c-myc gene expression is relatively high in neoplasms, and it is often linked to poor prognosis. Bilateral ... Several relatively rare variants of ACC include:[citation needed] Oncocytic adrenal cortical carcinoma Myxoid adrenal cortical ... which is toxic to cells of the adrenal cortex, as well as standard cytotoxic drugs. A retrospective analysis showed a survival ...
Li-Fraumeni syndrome
... brain or adrenal cortex) regardless of age at diagnosis A first- or second-degree relative with any cancer diagnosed before age ... Li F.P.; Fraumeni J.F. (October 1969). "Soft-tissue sarcomas, breast cancer, and other neoplasms. A familial syndrome?". Ann. ... This syndrome is also known as the sarcoma, breast, leukaemia and adrenal gland (SBLA) syndrome. The syndrome is linked to ... The classical LFS malignancies-sarcoma, cancers of the breast, brain, and adrenal glands-comprise about 80% of all cancers that ...
Adrenal haemorrhage
... such as adrenal neoplasm, adrenocortical carcinomas, and pheochromocytomas. Hematomas have solid adrenal nodules, size of which ... The branches then form a sub-capsular plexus within the adrenal cortex, which drains into medullary sinusoids through ... Adrenal crisis Adrenal gland Adrenal insufficiency CT scan Hematoma Hemorrhage Magnetic resonance imaging Traumatic injury ... the viability of residual adrenal tissue, the status of contralateral adrenal gland, and the stability of the patient. Adrenal ...
Harrison's Principles of Internal Medicine
Disorders of the Adrenal Cortex Chapter 380: Pheochromocytoma Chapter 381: Multiple Endocrine Neoplasia Chapter 382: Autoimmune ... Neoplasms of the Lung Chapter 75: Breast Cancer Chapter 76: Upper Gastrointestinal Tract Cancers Chapter 77: Lower ... Polycythemia Vera and Other Myeloproliferative Neoplasms Chapter 100: Acute Myeloid Leukemia Chapter 101: Chronic Myeloid ...
Mayo Clinic
They separated and identified compounds from the adrenal cortex that produced cortisone and hydrocortisone. Later in the decade ... "Defect of neuromuscular conduction associated with malignant neoplasms". Am. J. Physiol. 187: 612-613. Gutmann L, Crosby TW, ...
Somatostatin receptor 2
The Somatostatin receptor 2a was found mostly in far down layers of the cerebral cortex, in the human brain. This variant of ... Kennedy JW, Dluhy RG (1997). "The biology and clinical relevance of somatostatin receptor scintigraphy in adrenal tumor ... "Somatostatin receptor expression indicates improved prognosis in gastroenteropancreatic neuroendocrine neoplasm, and octreotide ... Somatostatin receptor 2a and somatostatin receptor 2b were found in the medulla oblongata, mesencephalon, testis, cortex, ...
Glossary of medicine
Visual cortex - The visual cortex of the brain is the area of the cerebral cortex that processes visual information. It is ... Adrenal gland - The adrenal glands (also known as suprarenal glands) are endocrine glands that produce a variety of hormones ... Papillary - In oncology, papillary refers to neoplasms with projections ("papillae", from Latin, 'nipple') that have ... The area of the visual cortex that receives the sensory input from the lateral geniculate nucleus is the primary visual cortex ...
Renal cell carcinoma
Vigorous criticism of Grawitz was provided by Oskar Stoerk in 1908, who considered the adrenal origin of renal tumours to be ... Judd, E. Starr (1929). "Carcinoma of the Renal Cortex with Factors Bearing on Prognosis". Archives of Internal Medicine. 44 (5 ... which is an assessment based on the microscopic morphology of a neoplasm with haematoxylin and eosin (H&E staining). This ... When RCC metastasises, it most commonly spreads to the lymph nodes, lungs, liver, adrenal glands, brain or bones. Immunotherapy ...
Long-term effects of alcohol
ISBN 978-1-84310-221-2. Uekermann J, Daum I (May 2008). "Social cognition in alcoholism: a link to prefrontal cortex ... pituitary-adrenal axis hormones, beta-endorphin and prolactin in human adults of both sexes". Alcohol and Alcoholism. 37 (2): ... and malignant neoplasms. The psychiatric disorders associated with alcoholism include major depression, dysthymia, ... especially the prefrontal cortex area of the brain. The social skills that are impaired by alcohol use disorder include ...
Nervi - Viquipèdia, l'enciclopèdia lliure
Somatosensory Cortex Repetitive Transcranial Magnetic Stimulation and Associative Sensory Stimulation of Peripheral Nerves ... Schober A, Parlato R, Huber K, Kinscherf R, et al «Cell Loss and Autophagy in the Extra-Adrenal Chromaffin Organ of Zuckerkandl ... Rindi G, Klimstra DS, Abedi-Ardekani B, Asa SL, et al «A common classification framework for neuroendocrine neoplasms: an ... Păun, DL; Mirică, A «Pheochromocytomas and Paragangliomas: A Focus on Genetics» (en anglès). A: Clinical Management of Adrenal ...
Adrenal Carcinoma Guidelines: Guidelines Summary
Adrenal cortical neoplasms in children: why so many carcinomas and yet so many survivors?. Pediatr Dev Pathol. 2009 Jul-Aug. 12 ... Adrenal Cortex. Brierley JD, Gospodarowicz MK, Wittekind C, eds. TNM Classification of Malignant Tumours. 8th ed. Hoboken, NJ: ... Adrenal wash-out CT: moderate diagnostic value in distinguishing benign from malignant adrenal masses. Eur J Endocrinol. 2021 ... encoded search term (Adrenal Carcinoma) and Adrenal Carcinoma What to Read Next on Medscape ...
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No article was found for Adrenal Cortex Neoplasms and MEN1[original query]. ...
1988 OSHA PEL Project - Hexachlorobutadiene | NIOSH | CDC
... and damage to kidney tissue and the adrenal cortex after two 4-hour exposures at 250 ppm; twelve 6-hour exposures to 100 ppm ... 1-494). These authors also reported that HCBD-induced neoplasms occur only at HCBD doses higher than those causing discernible ... and renal neoplasms, all of which constitute material health impairments that are associated with exposure to HCBD at levels ... renal neoplasms) result from ingestion of 20 mg/kg/day (Kociba, Schwetz, Keyes et al. 1977/Ex. ...
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Adrenal Cortex Neoplasms 2 0 Adrenal Gland Neoplasms 2 0 Cardiovascular Diseases 2 0 ...
A00 0 Cholera Cholera
Malignant neoplasm of adrenal gland 02068 C740 0 Malignant neoplasm of cortex of adrenal gland Malignant neoplasm of cortex of ... 1 Malignant neoplasm of cortex of left adrenal gland Malignant neoplasm of cortex of left adrenal gland 02072 C741 0 Malignant ... Malignant neoplasm of cortex of unspecified adrenal gland 02070 C7401 1 Malignant neoplasm of cortex of right adrenal gland ... 1 Benign neoplasm of right adrenal gland Benign neoplasm of right adrenal gland 03202 D3502 1 Benign neoplasm of left adrenal ...
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No article was found for Adrenal Cortex Neoplasms and HLA-DRB1[original query]. ...
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No article was found for Adrenal Cortex Neoplasms and AXIN2[original query]. ...
Amyloidosis: Definition of Amyloid and Amyloidosis, Classification Systems, Systemic Amyloidoses
The accumulation of amyloid-β peptide (Aβ) in the brain both in the form of plaques in the cerebral cortex and in blood vessel ... Other organs involved include the heart, gastrointestinal tract, liver, lungs, prostate, adrenals, and tongue. ... and occasionally with neoplasms; it was formerly termed secondary amyloidosis.. Worldwide, AA is the most common systemic ...
A Novel Therapeutic Vaccine (EO2401) in Metastatic Adrenocortical Carcinoma, or Malignant Pheochromocytoma/Paraganglioma - Full...
Adrenal Cortex Neoplasms. Adrenal Gland Neoplasms. Endocrine Gland Neoplasms. Neoplasms by Site. Adrenal Cortex Diseases. ... Neoplasms by Histologic Type. Neoplasms. Neuroendocrine Tumors. Neuroectodermal Tumors. Neoplasms, Germ Cell and Embryonal. ... Three to 12 evaluable patients with adrenal carcinoma or progressive malignant pheochromocytoma/paraganglioma will be included ...
Surgical Resection of Synchronously Metastatic Adrenocortical Cancer<...
Adrenal Cortex Neoplasms Medicine & Life Sciences 100% * Adrenocortical Carcinoma Medicine & Life Sciences 25% ... Methods: A review of all patients undergoing surgery (European Network for the Study of Adrenal Tumors) stage IV ACC between ... European Network for the Study of Adrenal Tumors) stage IV ACC between January 2000 and December 2012 from two referral centers ... European Network for the Study of Adrenal Tumors) stage IV ACC between January 2000 and December 2012 from two referral centers ...
Abstract for TR-520
Neoplasms of the adrenal cortex and cholangioma of the liver may have been related to administration of PCB 126. ... At 2 years, adenomas and/or carcinomas were present in the adrenal cortex of most core study groups and in the 1,000 ng/kg stop ... Dose-related effects on the incidences of adrenal cortex atrophy and cytoplasmic vacuolization were also seen. ... PCB 126 administration caused increased incidences of nonneoplastic lesions of the liver, lung, adrenal cortex, pancreas, ...
Biochemistry of Human Cancer - 1st Edition
12 Neoplasms of the Adrenal Cortex. I. Introduction. II. Steroids of the Adrenal Cortex. III. Cushings Syndrome. IV. The ... Neoplasms of the Stomach. III. Neoplasms of the Small Intestine. IV. Neoplasms of the Colon and Rectum. V. Neoplasms of the ... and neoplasms of other organs, such as the pituitary gland, thyroid, testis, and adrenal cortex. Brief case reports from the ... 15 Neoplasms of the Ovary. I. Introduction. II. Biochemistry of the Normal Ovary. III. Biochemistry of Ovarian Neoplasms. ...
118948005 - Disorder of abdomen - SNOMED CT
Glucocorticoid Therapy and Cushing Syndrome: Background, Pathophysiology, Endogenous Cushing syndrome
... of the adrenal cortex and adrenocortical neoplasms that result in autonomous overproduction of cortisol and other adrenal ... Adrenal neoplasms. For nonmalignant adrenal neoplasms, the cure rate remains excellent. For malignant tumors, surgery offers ... The adrenal cortex. In: Wilson JD, Foster DW, Kronenberg H, Larsen PR, eds. Williams Textbook of Endocrinology. 9th ed. ... Adrenal neoplasm. Personal or family history of multiple tumors (eg, lung, breast, nasopharynx, CNS, melanoma, pancreas, gonads ...
Dissecting morphological and molecular heterogeneity in adrenocortical carcinoma
Adrenocortical carcinoma; Heterogeneity; Immunohistochemistry; Molecular pathology; Variants; Adrenal Cortex Neoplasms; ... as it is currently approached for other types of neoplasms such as breast or lung cancer, which are not merely descriptive, but ... as it is currently approached for other types of neoplasms such as breast or lung cancer, which are not merely descriptive, but ... Neoplasm Grading; Pathology, Molecular; Phenotype; Predictive Value of Tests; Biomarkers, Tumor; 2734; Medicine (all) ...
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Androgen Excess Clinical Presentation: History, Physical, Causes
Androgens are produced primarily from the adrenal glands and the ovaries. ... Androgen-secreting adrenal neoplasms are less common than ovarian neoplasms. [62] Patients with these tumors usually present ... Elevated prolactin levels might directly stimulate the adrenal cortex. [65] Pregnancy. Testosterone rises throughout the normal ... Other cases of Cushing syndrome are related to autonomous cortisol secretion by the adrenal glands. [60] Adrenal tumors are ...
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DeCS
Adrenal Cortex Neoplasm Neoplasm, Adrenal Cortex Neoplasms, Adrenal Cortex Adrenocortical Cancer - Narrower Concept UI. ... Cancers, Adrenal Cortex. Cancers, Adrenocortical. Neoplasm, Adrenal Cortex. Neoplasms, Adrenal Cortex. Tree number(s):. C04.588 ... Adrenal Cortex Cancer Adrenal Cortex Cancers Adrenocortical Cancers Cancer of Adrenal Cortex Cancer of the Adrenal Cortex ... Adrenal Cortex Neoplasm. Adrenocortical Cancer. Adrenocortical Cancers. Cancer of Adrenal Cortex. Cancer of the Adrenal Cortex ...
IMSEAR at SEARO: Non-functioning adrenal cortical carcinoma.
Hyperaldosteronism; Aldosteronism
Code System Concept
Agriculture & Farming
Albumin FS - PROLINE
ARCHS4
Genevisible - Top 10 cancers for 1553102 a at
... adrenal cortical adenoma, NOS, cortex of adrenal gland, adrenal gland, chronic lymphocytic leukemia, B-cell type ... cortex of adrenal gland. Expression (log2-scale):14.389032. Number of Samples:190 Neoplasm. cortex of adrenal gland. ... Neoplasm. cortex of adrenal gland, adrenal cortical adenoma, NOS. Hierarchy. neoplasms of endocrine glands and related ... cortex of adrenal gland, adrenal cortical adenoma, NOS. Expression (log2-scale):14.483707. Number of Samples:80 ...
Pesquisa | Prevenção e Controle de Câncer
ACC is a rare malignant neoplasm of the adrenal cortex with a variable prognosis. At present, predicting the course of the ... Adrenal cortex produces glucocorticoids, mineralocorticoids and adrenal androgens which are essential for life, supporting ... we will summarize our knowledge on the mechanisms regulating adrenal cortex development and function, describe adrenal ... One hypothesis is that changes in vascular supply to the adrenal cortex, due to phenomena of atherosclerosis or high blood ...
DeCS 2008 - versión 17 de Marzo de 2008
BIGG
Adrenal Cortex Neoplasms, Neoplasm Metastasis, Antineoplastic Agents, Hormonal/therapeutic use, Etoposide/administration & ... Hydrocortisone, Adrenal Gland Neoplasms, Incidental Findings, Adrenal Gland Neoplasms/therapy, Adrenal Gland Neoplasms/ ... By definition, an adrenal incidentaloma is an asymptomatic adrenal mass detected on imaging not performed for suspected adrenal ... Adrenal Cortex Neoplasms/therapy, Adrenocortical Carcinoma/therapy, Chemoembolization, Therapeutic ...
Pełny tekst: Funkcjonowanie nadnerczy u pacjentów pediatrycznych podczas leczenia onkologicznego i po jego zakończeniu, Barbara...
Mitotane is an anti-cancer drug used to treat adrenal cortex cancer. It directly influences the adrenal cortex by inhibiting ... There are some therapeutics that are dedicated to treat adrenal neoplasms, but they affect adrenal function. ... Aminoglutethimide is an anti-cancer drug used in the treatment of breast cancer, prostate cancer, and adrenal cortex cancer. It ... One of the first indications that there is adrenal cortex dysfunction is an elevation in plasma renin level [35]. Therefore, ...
G0S2 Lysates: Novus Biologicals
Terminal RI - SophiA Biblioteca Web
Adrenocortical carcinoma
C74.90 - Malignant neoplasm of adrenal gland. SNOMEDCT:. 255035007 - Adrenal carcinoma. Best Tests. Subscription Required ... A malignant tumor of the adrenal cortex. Adrenal carcinomas may be found incidentally on imaging or may be identified after a ... About half of adrenal carcinomas do not produce hormones, while the other half produce any combination of the normal adrenal ... Post-contrast MRI of the abdomen demonstrates heterogeneously enhancing right adrenal mass.. +4 More images of Adrenocortical ...
Evaluation of 18F-AlF-NOTA-octreotide for imaging neuroendocrine neoplasms: comparison with 68Ga-DOTATATE PET/CT | EJNMMI...
Twenty patients (mean age: 52.65 years, range: 24-70 years) with biopsy-proven neuroendocrine neoplasms (NENs) were ... cerebral cortex, adrenal gland, uncinate process of the pancreas (PU), pancreas (except the PU), stomach, spleen, thyroid, ... Hou, J., Long, T., He, Z. et al. Evaluation of 18F-AlF-NOTA-octreotide for imaging neuroendocrine neoplasms: comparison with 68 ... Evaluation of 18F-AlF-NOTA-octreotide for imaging neuroendocrine neoplasms: comparison with 68Ga-DOTATATE PET/CT. *Jiale Hou1 ...
TumorsProstatic neoplasmsHormonesGlandsMedullaInsufficiencyPancreatic neoplasmCongenital adrenal hypHypothalamic-pituitary-adrenalMalignant neoplasmMetastaticCortical carcinomaTumorNeuroendocrine neoplasmsGlandBenignHuman adrenalHeterogeneousMitotaneAdrenocortical adenomasEndocrineEpidemiologyPheochromocytomaClassificationCancerAndrogenHYPERPLASIAGlandularAxisCancersDiseaseDifferencesMassPatients
Tumors11
- Methods: A review of all patients undergoing surgery (European Network for the Study of Adrenal Tumors) stage IV ACC between January 2000 and December 2012 from two referral centers was performed. (elsevier.com)
- Biochemistry of Human Cancer focuses on advances in the application of biochemistry to the study of human cancers, such as neoplastic immunoglobulinopathies, cancer of the bladder, tumors of the neural crest, leukemias and lymphomas, and neoplasms of the bone. (elsevier.com)
- The remaining chapters look at the role of enzymes and immunoglobulins in cancer, the tryptophan metabolism in cancer of the bladder and the carcinoid syndrome, the link between amino acid metabolism and tumors of the neural crest, and the neoplasms of the digestive tract and the accessory organs (pancreas and liver). (elsevier.com)
- Tumors or cancers of the ADRENAL CORTEX . (bvsalud.org)
- The impact of genetics and genomics on clinical medicine is becoming more and more important Endocrinology pioneered the development of molecular medicine, but also the study of adrenal tumors had a great impact in this field. (elsevier.com)
- Particularly important was the detection of genetics of tumors derived from the adrenal medulla, as well as that of those derived from the sympathetic and parasympathetic paraganglia. (elsevier.com)
- Less well understood is the genetics of adrenal cortex tumors, in particular adrenocortical carcinoma, a rare and particularly aggressive disease. (elsevier.com)
- Adrenal cancer is a rare and heterogenous group of tumors the etiology of which is largely unknown. (semanticscholar.org)
- DESIGN: Expression of PSMA was evaluated in benign and malignant adrenal tumors and 1 patient with metastatic ACC. (cornell.edu)
- CONCLUSIONS: PSMA is significantly overexpressed in ACC neovasculature when compared with normal and benign adrenal tumors. (cornell.edu)
- In cytology, the practical utility of immunocytochemistry includes characterization of poorly differentiated neoplasms, differentiation of primary from metastatic tumors, determination of the sites of origin of metastatic lesions and prognostic assessments. (basicmedicalkey.com)
Prostatic neoplasms1
- It then discusses the important biochemical aspects of pulmonary and prostatic neoplasms, including the serum acid and alkaline phosphatase activities of prostatic carcinoma. (elsevier.com)
Hormones2
- About half of adrenal carcinomas do not produce hormones, while the other half produce any combination of the normal adrenal cortical hormones. (logicalimages.com)
- The most relevant hormones for the neuroendocrine axis are the adrenocorticotropic hormone (ACTH) and ß-endorphins, which stimulate the secretion of various endogenous substances, such as glucocorticoids, produced in the adrenal cortex, and noradrenaline and adrenaline, produced in the adrenal medulla and nerve endings 5-7 . (bvsalud.org)
Glands4
- Hull B, Wedrychowicz A. The function of adrenal glands in children and adolescents during and after oncological treatment. (termedia.pl)
- Cortisol is produced mainly by the adrenal cortex (the outer part of the two adrenal glands, located above the kidneys). (biosteroids.com)
- PATIENTS: Fifty adrenal samples were evaluated, including 16 normal adrenal glands, 16 adrenocortical adenomas, 15 primary ACC, and 3 ACC metastases. (cornell.edu)
- Once excited, the PVN produces the neuropeptide corticotropin-releasing factor (CRF), which travels through the hypophyseal portal system and stimulates the adrenal and pituitary glands to produce many neurotransmitters. (bvsalud.org)
Medulla1
- Glucocorticoid synthesis and release is strictly regulated by the pituitary and hypothalamus by negative feedback and, to a lesser extent, by catecholamines from the adrenal medulla and neural inputs from the autonomic system. (medscape.com)
Insufficiency2
- Although uncommon, the adrenal insufficiency can be a life-threatening complication of the cancer treatment. (termedia.pl)
- Triamcinolone is used as an alternative treatment for adrenal insufficiency. (firedrug.com)
Pancreatic neoplasm1
- Stock C, Keutgen XM, Pisapia D, Crawford C, Zarnegar R. Heterotopic pancreatic neoplasm presenting as an obstructing mass at the fourth portion of the duodenum. (rush.edu)
Congenital adrenal hyp5
- [ 34 ] Congenital adrenal hyperplasia also presents with familial clustering. (medscape.com)
- The 17-hydroxyprogesterone (17-OHP) test is routinely ordered as part of newborn screening in the UnitedStates to detect congenital adrenal hyperplasia (CAH) due to 21-hydroxylase deficiency. (biosteroids.com)
- Cortisol is called the 'stress hormone' because it's secreted in larger amounts as part of the body's response to physical or emotional stress.In kids, the most common cause of cortisol deficiency, and consequently high levels of 17-hydroxyprogesterone, is one of the forms of the genetic disorder congenital adrenal hyperplasia (CAH). (biosteroids.com)
- 17-hydroxyprogesterone is elevated in patients with congenital adrenal hyperplasia (CAH). (biosteroids.com)
- Triamcinolone is also effective in congenital adrenal hyperplasia of cerebral edema and rheumatic diseases. (firedrug.com)
Hypothalamic-pituitary-adrenal3
- Although distinguishing endogenous from exogenous Cushing syndrome is usually straightforward, the investigation and differentiation of Cushing syndrome from other causes of hypercortisolism require a sound understanding of the physiology of the hypothalamic-pituitary-adrenal (HPA) axis. (medscape.com)
- Chemotherapy, as well as radiotherapy of the head, neck and abdomen area, may interfere temporarily or permanently with the proper functioning of the hypothalamic pituitary adrenal axis (HPAA). (termedia.pl)
- The hypothalamic-pituitary-adrenal (HPA) axis is responsible for many body functions in mammals. (bvsalud.org)
Malignant neoplasm2
- Abstract: The adrenocortical carcinoma (ACC) is a rare malignant neoplasm that appears in the adrenal cortex. (unicamp.br)
- carcinoma - Any of various types of malignant neoplasm derived from epithelial cells, chiefly glandular (adenocarcinoma) or squamous (squamous cell c. (en-academic.com)
Metastatic2
- A case of metastatic adrenal cancer: with a statistical analysis based on annals of the pathological autopsy cases in Japan in the past 5 years]. (semanticscholar.org)
- Of note, longitudinal sampling of primary and metastatic thyroid neoplasms was crucial for refining tumor classification and coining the recently-described non-invasive follicular thyroid neoplasm with papillary-like nuclear features(Nikiforov et al. (biomedcentral.com)
Cortical carcinoma1
- IMSEAR at SEARO: Non-functioning adrenal cortical carcinoma. (who.int)
Tumor5
- Furthermore, immunohistochemical and molecular studies, based on a wide set of different methodologies, identified novel biomarkers in adrenocortical carcinoma of diagnostic and prognostic relevance, which claimed again the concept that this tumor type represents an heterogeneous group of neoplasms which cannot be considered a unique entity. (unito.it)
- BACKGROUND: Adrenocortical cancer (ACC) is an orphan malignant tumor of the adrenal cortex with a predominantly poor prognosis and an aggressive clinical course. (bvsalud.org)
- A malignant tumor of the adrenal cortex. (logicalimages.com)
- Neuroendocrine neoplasms (NENs) are a relatively rare and highly heterogeneous tumor derived from neuroendocrine cells. (springeropen.com)
- INTRODUCCIÓN: Prostatectomía por laparoscopia es una técnica quirúrgica que se utiliza para extirpar un tumor de próstata localizado en el interior de la glándula o para extirpar la próstata por completo. (bvsalud.org)
Neuroendocrine neoplasms2
- Twenty patients (mean age: 52.65 years, range: 24-70 years) with biopsy-proven neuroendocrine neoplasms (NENs) were enrolled in this prospective study. (springeropen.com)
- It's clear that most hereditary and familial Neuroendocrine Neoplasms (NEN) will be from well-differentiated Neuroendocrine Tumours (NET) rather than poorly differentiated Neuroendocrine Carcinomas (NEC). (ronnyallan.net)
Gland1
- The book explains the metabolism of purines and pyrimidines in cancer, hypercalcemia in neoplastic disease without evidence of bone metastases, and neoplasms of other organs, such as the pituitary gland, thyroid, testis, and adrenal cortex. (elsevier.com)
Benign1
- Uterine leiomyoma is the most common benign neoplasm of the female genital tract. (gafacom.website)
Human adrenal3
- Triptolide induces apoptosis in human adrenal cancer NCI-H295 cells through a mitochondrial-dependent pathway. (semanticscholar.org)
- Epigallocatechin gallate induced apoptosis in human adrenal cancer NCI-H295 cells through caspase-dependent and caspase-independent pathway. (semanticscholar.org)
- Mice have largely been overlooked as a model system for the human adrenal as mouse adrenals are unable to produce androgens due to the silencing of Cyp17a1 early in development. (nature.com)
Heterogeneous1
- Adrenal cancer is a heterogeneous group of neoplasms with unknown etiology. (semanticscholar.org)
Mitotane1
- Treatment modalities include surgery, medical adrenal suppression (mitotane), and cytotoxic chemotherapy. (logicalimages.com)
Adrenocortical adenomas1
- In most cases, adrenal incidentalomas are nonfunctioning adrenocortical adenomas, but may also represent conditions requiring therapeutic intervention (e.g. adrenocorti. (bvsalud.org)
Endocrine3
- Adrenal carcinomas may be found incidentally on imaging or may be identified after a patient shows signs of endocrine dysfunction, such as hypercortisolism or virilization. (logicalimages.com)
- Syndromes such as multiple endocrine neoplasia type 1 are uncommonly the cause of adrenal carcinoma. (logicalimages.com)
- Previous global knockouts have ablated AR from the adrenal 21 , however, the caveats of this, like many global knockout models, is that the adrenals both produce and respond to multiple endocrine stimuli. (nature.com)
Epidemiology1
- Adrenal carcinomas have a bimodal epidemiology. (logicalimages.com)
Pheochromocytoma1
- Three to 12 evaluable patients with adrenal carcinoma or progressive malignant pheochromocytoma/paraganglioma will be included depending on the safety profile of the administered treatments. (clinicaltrials.gov)
Classification2
- The integration between morphology, immunophenotype and molecular data is expected in the next years to build a novel concept of adrenocortical carcinoma classification into specific subgroups, as it is currently approached for other types of neoplasms such as breast or lung cancer, which are not merely descriptive, but also characterized by a specific biological and clinical behavior. (unito.it)
- Skin neoplasm - Skin cancer Classification and external resources A basal cell carcinoma. (en-academic.com)
Cancer3
- Management of patients with adrenal cancer: recommendations of an international consensus conference. (semanticscholar.org)
- SummaryMitotane is an important adrenalytic drug for the treatment of adrenal cancer whose use is limited by toxicity. (semanticscholar.org)
- Smoking and adrenal cancer mortality among United States veterans. (semanticscholar.org)
Androgen5
- Rapid virilization associated with hirsutism is suggestive of androgen secreting neoplasm or exogenous androgenic drug use. (medscape.com)
- Androgen receptor (AR) is widely expressed throughout the adrenal cortex, yet the wider role for androgen signalling in the adrenal remains underexplored. (nature.com)
- To investigate AR-dependent and AR-independent androgen signalling in the adrenal, we used a novel mouse model with a specific ablation of androgen receptor in the adrenal cortex with or without reduction of circulating androgen levels by castration. (nature.com)
- Our results describe AR expression in the human and mouse adrenal and highlight that the mouse is a viable model to investigate androgen signalling in the adrenal cortex. (nature.com)
- The redevelopment of the X-zone following castration and the abundant expression of AR in the mouse adrenal suggests that androgens are important regulators of the adrenal cortex and that despite not producing adrenal androgens, the mouse has utility for dissecting the role of androgen signalling within the adrenal. (nature.com)
HYPERPLASIA1
- Additionally, investigation of aged mice with AR ablation reveals severe cortex disruption, spindle cell hyperplasia and X-zone expansion. (nature.com)
Glandular1
- 1981). By immunohistochemical techniques TGF-β1 was strongly detected in adrenal cortex, megakaryocytes and other bone marrow cells, cardiac myocytes, chondrocytes, renal distal tubules, ovarian glandular cells and chorionic cells of the placenta and also in cartilage, heart, pancreas, skin, and uterus (Thompson et al. (atlasgeneticsoncology.org)
Axis1
- Moreover, we present diagnostic guidelines for the evaluation of the function of the adrenal axis and we report available protocols for the management of its disturbances. (termedia.pl)
Cancers1
- We present possible adrenal complications in the most frequent pediatric cancers. (termedia.pl)
Disease2
- Addison disease presents as adrenal cortical hypofunction along with splotchy or generalized bronzing of the mucosa and skin. (medscape.com)
- By definition, an adrenal incidentaloma is an asymptomatic adrenal mass detected on imaging not performed for suspected adrenal disease. (bvsalud.org)
Differences1
- Furthermore, cortex measurements define differences in X-zone morphology depending on whether circulating androgens or AR have been removed. (nature.com)
Mass1
- Post-contrast MRI of the abdomen demonstrates heterogeneously enhancing right adrenal mass. (logicalimages.com)
Patients1
- Cohorts 2A (previously treated patients) and 2B (previously untreated patients): evaluation of EO2401 at the recommended dose found in Cohort 1 in combination with nivolumab in 30 evaluable patients (15 each for Cohorts 2A and 2B) with adrenal carcinoma. (clinicaltrials.gov)