A Case of Primary Malignant Lymphoma of the Ascending Colon

Hideki Idei, Toshimasa Yamaguchi, Tomoaki Urakawa, Mitsuharu Nakamoto, Hiroaki Tanaka, Atsunori Iso, Naoto Kawakita, Yukio Nishino, Kiyoshi Uematsu, Yohshi Nagahata*, Hiromitsu Kuroda*, Kenji Tomonaga*, Yohichi Saitoh*

Department of Surgery, Kobe Rohsai Hospital of the Labour Welfare Corporation
*The First Department of Surgery, Kobe University School of Medicine

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.

Key words
malignant lymphoma of ascending colon, diagnosis of colorectal malignant lymphoma

Reprint requests
Hideki Idei Department of Surgery, Kobe Rohsai Hospital of the Labour Welfare Coroporation
2-140 Sumaku, Tomogaoka, Kobe, 654 JAPAN

Accepted
February 13, 1991

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