Abstract
A 33-year old woman with HIV infection was admitted to our institute because of diarrhea and general malaise. Endoscopic examinations revealed that duodenal mucosa was faded and that micro villis were ruined. Blood vessels were mut transparent and many nodules with yellowish white color existed in the transverse and ascending colon. Endoscopic findings of Mycobacterium avium complex infection in gastrointestinal tract with AIDS were considered important.