Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.


n. pl. phe·o·chro·mo·cy·to·mas or phe·o·chro·mo·cy·to·ma·ta (-mə-tə)
A usually benign tumor of the adrenal medulla or the sympathetic nervous system in which the affected cells secrete increased amounts of epinephrine or norepinephrine.

[pheochromocyte, chromaffin cell (Greek phaios, dusky + chromo- + -cyte) + -oma.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pheochromocytoma - a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension
neoplasm, tumor, tumour - an abnormal new mass of tissue that serves no purpose


n feocromocitoma m
References in periodicals archive ?
In this condition individuals are at risk to develop tumors like hemangiomas found in cerebellum spinal cord kidney and retina angiomas and pheochromocytoma.
A team from the University of Florence in Italy studied patients with a rare tumor called pheochromocytoma.
UKPRwire, Fri May 02 2014] GlobalData's clinical trial report, "Pheochromocytoma Global Clinical Trials Review, H1, 2014" provides data on the Pheochromocytoma clinical trial scenario.
Title: Pheochromocytoma and Perioperative Anesthesia Management: Report of Case
Implications and considerations during pheochromocytoma resection: A challenge to the anaesthesiologist.
He was referred to endocrinology clinic with these complaints 1 month ago and pheochromocytoma was diagnosed.
Before any adrenal biopsy, measure plasma-free metanephrines to exclude undiagnosed pheochromocytoma, which could precipitate a hypertensive crisis if untreated.
3] The present association of NF1 with pheochromocytoma assumes importance because of the fact that <1 percent of all cases of NF1 is associated with pheochromocytoma.
Case report: Pheochromocytoma and pregnancy management in critical care medicine units in obstetrics.
In the present study, using a rat pheochromocytoma (PC12) cell line, we investigated the effect of Pycnogenol (PYC), a potent antioxidant and ROS scavenger, on Abeta(25-35)-induced apoptosis and ROS generation.
Pheochromocytoma in an incidentally discovered asymptomatic cystic adrenal mass.