１　病例资料【例１】　男，５５岁。因腹胀２年，加重伴少尿５个月，阵发性腹痛半月入院。腹痛为下腹部及脐周阵发性绞痛，每次持续１～３秒，可自行缓解。伴不规则低热、盗汗。既往有肺结核病史，母亲死于肺结核。查体：消瘦、贫血貌，浅表淋巴结无肿大，腹部膨隆、触之柔韧 1 Case data [Example 1] Male, 55 years old. Due to abdominal distention for 2 years, aggravated with less oliguria for 5 months, paroxysmal abdominal pain was admitted to the hospital half a month. Abdominal pain is paroxysmal colic in the lower abdomen and umbilical cord. Each time it lasts for 1-3 seconds, it can relieve itself. With irregular fever, night sweats. There was a history of tuberculosis in the past and the mother died of tuberculosis. Physical examination: weight loss, anemia appearance, no enlargement of superficial lymph nodes, abdominal distention, soft touch