We had tuberculosis infection cases of gastrointestinal truct diagnosed histopathologicaly during January 1980 to december 1991 in TOKYO National Chest Hospital. Therewere 12 cases (male 8, female 4) from 24 y. o. to 88 y. o. (mean 50 y. o.). We got histopathological specimen by operation (6 cases), biopsy (4), and section (2). Pulmonaly tuberculosis wascomplicated in 8 cases, 7 cases had cavity formation and another case was milialytuberculosis. Distribution of tuberculous lesion was colon (7 cases), small intestines (5), cecum (2), rectum (1) and esophagus (1). First symptom was mainly abdominal symptom suchas abdominal pain and diarrhea. There were a perforative peritonitis and a intestinalobstruction during chemotherapy. Three died cases complicated low albuminamia. Wesuppose that serum albumin is one of the useful marker of patient's prognosis.
