Mucinous carcinoma (poorly differentiated carcinoma with extensive extracellular mucin deposition) of the thyroid: a case report with immunohistochemical studies.

We report on a case of mucinous carcinoma of the thyroid in an 82-year-old Japanese woman. The 3 x 2 x 2-cm thyroid tumor located in the patient's right lateral lobe was soft and yellowish gray on the cut section. Microscopically, the tumor was composed entirely of strands or solid clusters accompanied by extensive extracellular mucin.

Stromal tumor of the pancreas with expression of c-kit protein: report of a case.

We report on a case of a stromal tumor, similar to a gastrointestinal stromal tumor, originating from the pancreas. The patient was a 54-year-old woman, who was seen at the Kofu Municipal Hospital because of an abdominal tumor. On abdominal computed tomography and splenic arteriography, the tumor was detected in the pancreatic tail.