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Pheochromocytoma. Pheochromocytoma is a rare tumor of the adrenal medulla composed of chromaffin cells and is part of the paraganglioma (PGL) family of tumors, being defined as an intra-adrenal PGL . [2][4][5] These neuroendocrine tumors can be sympathetic, where they release catecholamines into the bloodstream which cause the most common ...
Specialty. Oncology. Multiple endocrine neoplasia type 2 (also known as "Pheochromocytoma (codons 630 and 634) and amyloid producing medullary thyroid carcinoma", [1] "PTC syndrome," [1] and "Sipple syndrome" [1]) is a group of medical disorders associated with tumors of the endocrine system. The tumors may be benign or malignant (cancer).
MEN2B should be entertained as a diagnosis whenever a person is found to have either medullary thyroid carcinoma or pheochromocytoma. Before DNA testing became available, measurement of serum calcitonin was the most important laboratory test for MEN2B. Calcitonin is produced by the "C" cells of the thyroid, which, because they are always ...
Specialty. Oncology. A paraganglioma is a rare neuroendocrine neoplasm that may develop at various body sites (including the head, neck, thorax and abdomen). When the same type of tumor is found in the adrenal gland, they are referred to as a pheochromocytoma. They are rare tumors, with an overall estimated incidence of 1 in 300,000. [1]
Neuroendocrine tumors (NETs) are neoplasms that arise from cells of the endocrine (hormonal) and nervous systems. They most commonly occur in the intestine, where they are often called carcinoid tumors, but they are also found in the pancreas, lung, and the rest of the body. Although there are many kinds of NETs, they are treated as a group of ...
The most accurate ultrasound test can detect 96% of ovarian cancers in postmenopausal women, new research suggests. The findings indicate that the test should replace the current standard of care ...
Among individual states, the most accurate polling since 1998 has been in Colorado, Virginia and Oregon. That's exciting for close watchers of those states' politics, but it doesn't have much ...
Cardiology/psychiatry. Paroxysmal hypertension is episodic and volatile high blood pressure, which may be due to stress of any sort, or from a pheochromocytoma, a type of tumor involving the adrenal medulla. [citation needed] Patients with paroxysmal hypertension who test negative for pheochromocytoma are said to be suffering from a clinical ...