[Autopsy case of malignant carcinoid tumor of the ascending colon]

A 72-year-old female operated for ascending colon cancer was histologically diagnosed as having co-existing goblet cell-like carcinoid and rosette-forming carcinoid. The tumor cells were positive for the argyrophil reaction, but negative for the argentaffin reaction. A few tumor cells had both argyrophil granules and sulfated acid mucin in their cytoplasm. Despite combination chemotherapy she expired 10 months after the operation. Autopsy revealed local recurrence and metastases to the liver, lung, pancreas, left adrenal and many lymph nodes.