A neoplasm composed of chromaffin cells occurring in the medullae of adrenal glands, the organs of Zuckerkandl, or the paraganglia of the thoracolumbar sympathetic chain; may secrete catecholamines. SEE ALSO: pheochromocytoma. SYN: chromaffin tumor.

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chro·maf·fi·no·ma .krō-mə-fə-'nō-mə, krō-.maf-ə- n, pl -mas also -ma·ta -mət-ə a tumor containing chromaffin cells esp PHEOCHROMOCYTOMA

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chro·maf·fi·no·ma (kro-maf″ĭ-noґmə) any tumor containing chromaffin cells, such as a pheochromocytoma.

Medical dictionary. 2011.

Look at other dictionaries:

  • medullary chromaffinoma — pheochromocytoma …   Medical dictionary

  • хромаффинома — (chromaffinoma; хромаффино(цит) + ом ) см. Феохромоцитома …   Большой медицинский словарь

  • 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 — 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

  • Хромаффинома — I Хромаффинома (chromaffinoma; синоним феохромоцитома) гормонально активная опухоль, происходящая из зрелых клеток хромаффинной ткани и вырабатывающая катехоламины: секреторные гранулы клеток окрашиваются красителями, содержащими соли хрома. X.… …   Медицинская энциклопедия

  • 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

  • paraganglioma — A neoplasm usually derived from the chromoreceptor tissue of a paraganglion, such as the carotid body, or the medulla of the adrenal gland; the latter is usually termed a chromaffinoma or pheochromocytoma. nonchromaffin p. SYN: chem …   Medical dictionary

  • tumor — 1. Any swelling or tumefaction. 2. SYN: neoplasm. 3. One of the four signs of inflammation (t., calor, dolor, rubor) enunciated by Celsus. [L. t., a swelling] acinar cell t. a …   Medical dictionary

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