Primary Malignant Lymphoma of the Rectum, Report of a Case Y. Mikami 1 , M. Chiba 1 , S. Nishida 1 , A. Kikuchi 1 , A. Fuse 1 1Department of Surgery, Yamagata Prefectural Kahoku Hospital pp.97-100
Published Date 1983/1/25
DOI https://doi.org/10.11477/mf.1403109250
  • Abstract
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 A 71-year-old woman was admitted to our surgical clinic because of diarrhea, tenesmus and bloody stool.

 Barium filled picture of the rectum disclosed a protuberant lesion, 6.8×6.5 cm in size, 3 cm oral from the anal ring. Rectosigmoidoscopy revealed a hemorrhagic tumor occupying two third of the bowel wall. The surface of the tumor was uneven. The specimen of the biopsy was diagnosed as an inflammatory granuloma.

 Laparotomy was performed and there was found no lymph node swelling in the abdominal cavity. The tumor was resected by the rectal amputation (Miles' operation). The local lymph nodes beside the tumor of the rectum were excised but were not involved. Metastasis to the liver was not observed. This case was classified into Dukes' B.

 The resected tumor grossly appeared elastic, semispherical and red brown. There was irregular ulceration on the surface of the tumor. The cut surface had a uniform and fleshy appearance and its superficial layer was covered by necrotic tissue in part. The histological study revealed that the tumor was diffuse malignant lymphoma (lymphoplasmacytoid type,IgG. k-type monoclonal proliferation) by WHO classification of malignant lymphomas.

 The postoperative course was uneventful.

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