A Case of Primary Malignant Lymphoma of the Ascending Colon

Abstract

A case of primary malignant lymphoma of the ascending colon is reported. The patient, an 18-year-old male, complaining of abdominal pain and high fever was found to have a right lower abdominal tumor. After a barium enema, abdominal ultrasonography and computed tomography, he was suspected as having a tumor in the right colon and operated on. Laparotomy was performed and wall thickening like a tumor from the ascending colon to the cecum, and mesenteric lymphnode swelling were seen. The tumor was diagnosed as malignant, so right hemicolectomy was performed. Pathologically, it was non-Hodgkin lymphoma, diffuse large cell type, according to the Lymphoma Study Group classification. It was positive for the cell surface markers anti B-cell antigen and IgG, λ type. After CHOP-Pepleomycin chemotherapy he is being followed up as an outpatient.