We present the case of a young male patient admitted for weight loss, diarrhea and rectal bleeding. The patient belonged to a low social class and had associated hypogammaglobulinemia. The endoscopy revealed different localized ulcerations of he rectum and a stenosis. By barium enema and hydrosonography multiple stenotic lesions were observed. The pathological examinations detected lesions suggestive for intestinal tuberculosis. A specific therapy led to the improvement of his general state and to the disappearance of diarrhea and rectal bleeding.