A Case of Primary Malignant Lymphoma of the Cecum

Michiya Kobayashi, Takuro Ogata, Keijiro Araki, Naoshige Tochika, Toru Ando, Kenjiro Ohmi

First Department of Surgery, Kochi Medical School

A case of primary malignant lymphoma of the cecum which formed a large mass occupying the pelvic cavity is reported. A l7-year-old man complaining of fainting was sent to our department with a diagnosis of anemia and pelvic tumor of unknown origin. Abdominal echogram and computed tomography showed a large mass involving the intestine in the pelvic cavity. Barium enema study demonstrated stenosis of the ascending colon. Colonscopy showed a tumor with granular surface in the ascending colon, and the biopsy specimen reveald malignant lymphoma, diffuse medium cell type. Angiogram showed that the tumor was fed by the ileocolic artery. He underwent right hemicolectomy and lymph node dissection. Macroscopic examination of the resected specimen showed that the tumor originated in the cecum, and histological study revealed malignant lymphoma, diffuse medium B cell type. He underwent chemotherapy and is being followed up as an outpatient.

Key words
malignant lymphoma of caecum, diagnosis of colorectal malignant lymphoma, treatment of colorectal malignant lymphoma

Reprint requests
Michiya Kobayashi First Department of Surgery, Kochi Medical School
Oko-cho, Nankoku, 783 JAPAN

Accepted
May 11, 1993

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