Atypical Immunohistochemistry Features in an AFP-producing Colon Cancer.

The article describes the case of a 56-year old woman who was diagnosed with alpha fetoprotein (AFP)-producing colon cancer. The patient underwent blood tests, upper endoscopy, colonoscopy, computed tomography scan of the thorax, abdomen and pelvis, liver and colon biopsy. Blood test results revealed increased liver enzymes, mild cholestasis and inflammatory syndrome, while immunohistochemistry results included tubulo-papillary pattern, liver metastasis and synaptophysin positive cells.