Tumor that forms in the center of the adrenal gland (gland located above the kidney) that causes it to make too much adrenaline. Pheochromocytomas are usually benign (noncancerous) but can cause high blood pressure, pounding headaches, heart palpitations, flushing of the face, nausea, and vomiting.

English dictionary of cancer terms . 2015.

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  • Pheochromocytoma — Infobox Disease Name = Pheochromocytoma Caption = Medulla visible at bottom right. DiseasesDB = 9912 ICD10 = ICD10|C|74|1|c|73 ICD9 = ICD9|255.6 ICDO = ICDO|8700|0 OMIM = 171300 MedlinePlus = 000340 eMedicineSubj = med eMedicineTopic = 1816… …   Wikipedia

  • pheochromocytoma — /fee oh kroh moh suy toh meuh/, n., pl. pheochromocytomas, pheochromocytomata / meuh teuh/. Pathol. a tumor of the sympathetic nervous system or adrenal medulla, that produces excess norepinephrine and epinephrine and causes hypertension,… …   Universalium

  • pheochromocytoma — noun (plural mas; also pheochromocytomata) Etymology: New Latin, from International Scientific Vocabulary pheochromocyte chromaffin cell (from pheochrome chromaffin from Greek phaios dusky, gray + International Scientific Vocabulary chrome +… …   New Collegiate Dictionary

  • pheochromocytoma — noun A neuroendocrine tumour of the medulla of the adrenal glands …   Wiktionary

  • pheochromocytoma — A functional chromaffinoma, usually benign, derived from adrenal medullary tissue cells and characterized by the secretion of catecholamines, resulting in hypertension, which may be paroxysmal and associated with attacks of palpitation …   Medical dictionary

  • pheochromocytoma — pheo·chro·mo·cy·to·ma …   English syllables

  • pheochromocytoma — noun a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension • Syn: ↑phaeochromocytoma • Hypernyms: ↑tumor, ↑tumour, ↑neoplasm …   Useful english dictionary

  • medullary chromaffinoma — pheochromocytoma …   Medical dictionary

  • medullary paraganglioma — pheochromocytoma …   Medical dictionary

  • chromaffin cell tumor — pheochromocytoma …   Medical dictionary

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