[Intestinal schistosomiasis (Schistosoma mansoni)].

An observation of the intestinal form of schistosomiasis due to invasion with Schistosoma mansoni in a patient of 20, a student from Yemen. The diagnosis was established by histological examinations of tumour-like formations on the serous membrane of the sigmoid colon taken during laparotomy for penetrating wound of the abdomen. After a special treatment the patient was discharged in a satisfactory state.