患者，男，30岁。因“持续发热、食欲不振1周伴左上腹痛3日”，在乡卫生院拟诊“伤寒合并门静脉系感染，”用氨基辛青霉素、庆大霉素等治方未奏效，于1994年5月25日症状加剧转我院。患者发病以来，无胸痛、咳嗽、便血、腹泻等现象。既往无外伤史。查体：T39.0℃，P96次／分，BP Patient, male, 30 years old. Because of “continuous fever, loss of appetite for 1 week with left upper quadrant pain on the 3rd,” proposed in the township hospital “typhoid with portal vein infection,” with aminoxins penicillin, gentamicin and other prescription did not work, in May 1994 25 days to exacerbate the symptoms transferred to our hospital. Since the onset of patients, no chest pain, cough, blood in the stool, diarrhea and other phenomena. No previous history of trauma. Physical examination: T39.0 ℃, P96 beats / min, BP