A CASE OF MANTLE CELL LYMPHOMA OF THE SMALL INTESTINE WITH MULTIPLE TUMOR FORMATION DIAGNOSED BY DOUBLE-BALLOON ENTEROSCOPY

Abstract

A 65-year-old man presented with tarry stools. Gastrointestinal endoscopic examination could not detect apparent lesions causing gastrointestinal bleeding. Then he was referred to our hospital for further examination. Enteroscopy using the double-balloon method could reveal multiple tumors scattering in the small intestine, which were supposed to be hemorrhagic lesions. Simultaneously biopsy specimens were obtained under the enteroscopy to diagnose these tumors as mantle cell lymphoma. Through this procedure, gastrointestinal bleeding was caused by growth of mantle cell lymphoma in the small intestine. The double-balloon enteroscopic examination was proved to be a new useful maneuver to observe the entire small intestine more precisely.