PMID: 32156899Mar 12, 2020Paper

A Case of Diffuse Large B-Cell Lymphoma of the Ascending Colon

Gan to kagaku ryoho. Cancer & chemotherapy
Itaru HashimotoMunetaka Masuda

Abstract

A 72-year-old man presented with right lower abdominal pain. Abdominal enhanced CT showed a large tumor in the ascending colon. Colonoscopyrevealed a type 2 tumor infiltrating three-quarters of the ascending colon. The biopsyspecimen showed a malignant lymphoma. Thus, the patient underwent ileocecal resection with D3 lymph node dissection. The histopathological diagnosis was primarydiffuse large B-cell lymphoma of the ascending colon. Post-operative PET-CT showed disseminated extra-nodal involvement, Stage Ⅳ(Lugano staging system). He was administered 2 courses of rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisolone chemotherapy. However, the patient was diagnosed with progressive disease. He received several chemotherapies and finallydied 8 months after surgery. We report our present case and literature review.

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