Heterotopic adrenocortical oncocytoma. A case report with light and electron microscopic studies.
BACKGROUND
The case of a benign oncocytoma arising in a patient from retroperitoneal heterotopic adrenocortical tissue is reported; this tumor was found in a 44-year-old man.


METHODS
The tumor consisted of polygonal cells with granular eosinophilic cytoplasm packed with swollen mitochondria.


RESULTS
Scattered tumor cells showed abundant smooth endoplasmic reticulum suggesting that the tumor was of adrenocortical origin.
Nguyen
G K
GK
Department of Laboratory Medicine, University of Alberta Hospitals, Edmonton, Canada.
Vriend
R
R
Ronaghan
D
D
Lakey
W H
WH
D000236:Adenoma / Q000473:pathology*; D000306:Adrenal Cortex Neoplasms / Q000473:pathology*; D000328:Adult; D002828:Choristoma / Q000473:pathology*; D006801:Humans; D008297:Male; D008854:Microscopy, Electron