PMID: 18416369Apr 18, 2008Paper

Amyloidosis presenting as lower gastrointestinal hemorrhage

WMJ : Official Publication of the State Medical Society of Wisconsin
Bret J SpierPatrick R Pfau

Abstract

AL-Amyloid rarely presents in the gastrointestinal tract as acute gastrointestinal hemorrhage, especially in the absence of clinical disease elsewhere in the body. There are no reported cases of monoclonal gammopathy of undetermined significance progressing to AL-Amyloid presenting as lower gastrointestinal hemorrhage. We report a case of a patient initially diagnosed with monoclonal gammopathy of undetermined significance who progressed to AL-Amyloid over the course of 1 year. His progression resulted in primary colonic amyloidosis that manifested as lower gastrointestinal hemorrhage. The diagnosis was made by biopsy of a sigmoid plaque demonstrating necrotic material on histopathology. Amyloid deposition was seen on congo red and on birefringence. The bleeding stopped spontaneously without intervention and he was discharged his fourth day in the hospital. Further evaluation revealed no involvement in other organ systems. The plan is to treat with melphalan and dexamethasone. We conclude that early endoscopic examination and biopsy of the surrounding intestinal tissue is indicated when patients with monoclonal gammopathy of undetermined significance present with gastrointestinal hemorrhage to evaluate for the progression to AL...Continue Reading

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