Pheochromocytoma Definition

fēō-krōmō-sī-tōmə
pheochromocytomas, pheochromocytomata
noun
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.
American Heritage Medicine
Synonyms:
  • phaeochromocytoma

Other Word Forms of Pheochromocytoma

Noun

Singular:
pheochromocytoma
Plural:
pheochromocytomas, pheochromocytomata

Origin of Pheochromocytoma

  • pheochromocyte chromaffin cell (Greek phaios dusky) (chromo–) (–cyte) –oma

    From American Heritage Dictionary of the English Language, 5th Edition

Pheochromocytoma Sentence Examples

  • I have also had a Pheochromocytoma and had my left adrenal gland removed nearly two years ago.

  • Pheochromocytoma is usually an adrenal tumor with a very variable clinical symptomatology.

  • These include various types of malignant brain tumors, as well as leukemia and cancerous tumors of certain muscles (rhabdomyosarcoma), the adrenal glands (pheochromocytoma), or the kidneys (Wilms' tumor).

  • Patients with both MEN 2A and MEN 2B experience two main symptoms, medullary thyroid cancer (MTC) and a tumor of the adrenal gland medulla known as pheochromocytoma.

  • Pheochromocytoma is usually a benign (noncancerous) tumor that causes excessive secretion of adrenal hormones.

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