Pancreas Question 97 September 19, 2025 rmalaca1 Please wait... 1. A 50-year-old man presents with abdominal pain and weight loss. He undergoes a pancreatectomy for a 4 cm well-circumscribed, tan to yellow mass in the tail of the pancreas. Microscopically, the tumor is composed of nests and trabeculae of uniform cells with round to oval nuclei, coarsely granular chromatin, and moderate amounts of amphophilic cytoplasm. There are scattered mitoses present, but the mitotic rate is less than 2 mitoses per 2 mm2. What is the most likely immunohistochemical profile of this tumor?A.The tumor strongly labels with antibodies to CK7, CK20, CEA, and CA19-9.B.The tumor strongly labels with antibodies to trypsin, chymotrypsin, and BCL10.C.The tumor strongly labels with antibodies to a-inhibin.D.The tumor strongly labels with antibodies to chromogranin A and synaptophysin.E.The tumor strongly labels with antibodies to BCL10, trypsin, and chymotrypsin. The tumor also commonly labels with antibodies to synaptophysin. Loading...
