Hemorrhagic duodenal lipoma managed by endoscopic resection.

The patient, an 81-year-old woman, was admitted to our hospital for a detailed examination; the chief complaint being melena. An upper gastrointestinal roentgenologic study revealed a submucosal tumor with a smooth surface and a stalk measuring 50 mm at the third part of the duodenum. Endoscopy depicted it as a yellowish submucosal tumor.

Splenic large B-cell lymphoma in patients with hepatitis C virus infection.

Hepatitis virus infection, especially type C (hepatitis C virus [HCV]), has been suggested to be one of the important pathogenetic factors for low- and high-grade B-cell lymphoma, including splenic marginal zone lymphoma (SMZL), in southern Europe. Here, we analyzed the incidences of HCV and hepatitis B virus (HBV) infections, and the clinicopathologic features in 29 cases of splenic diffuse large B-cell lymphoma (DLBCL), 10 SMZL, 3 splenic mantle cell lymphoma, 1 hairy cell leukemia, 13 B-chronic lymphocytic leukemia, and 12 hepatosplenic T-cell and natural killer cell lymphoma. Fifteen (51.