【病例】　女,43岁。因黑便2天、呕血3次,于1998年11月6日住院。患者于1980年曾患血吸虫病治愈,住院前3个月感乏力,出汗多,面色苍白。查体:体温37.3℃,血压90/60mmHg,重度贫血貌,皮肤无出血点,浅表淋巴结未及,胸骨无压痛。心率108/min,律齐,两肺呼吸音清。腹软,肝肋下2cm,脾肋 【Case】 Female, 43 years old. He was hospitalized on November 6, 1998 for 2 days of melena and 3 hematemesis. The patient had been cured with schistosomiasis in 1980, was indifferent in the first 3 months of hospitalization, had sweating, and looked pale. Physical examination: Body temperature 37.3°C, blood pressure 90/60mmHg, severe anemia appearance, skin without bleeding points, superficial lymph nodes, and no sternal tenderness. The heart rate is 108/min, and the lungs are clear. Soft abdomen, liver ribs 2cm, spleen ribs