Carcinosarcoma of the stomach with endocrine differentiation. A case report.
An unusual tumor was observed in a 67-year-old man. Microscopically, the tumor was composed of epithelial cells forming glands (CEA, EMA-positive) and spindle-shaped cells (vimentin-positive). A third component was a cell population ultrastructurally characterized by intracytoplasmic granules surrounded by a membrane; these proved to be chromogranin A-positive in the immunoperoxidase study.
Cruz
J J
JJ
Department of Medicine, University Hospital of Salamanca, Spain.
Paz
J I
JI
Cordero
M
M
Martín
J
J
del Mar Abad
M
M
D000368:Aged; D002296:Carcinosarcoma / Q000473:pathology*; D002454:Cell Differentiation; D006801:Humans; D008297:Male; D009490:Neurosecretory Systems / Q000473:pathology*; D013274:Stomach Neoplasms / Q000473:pathology*