患者女、58岁。左上腹发现肿块已八年，约鸡蛋大小，偶有疼痛。四年前曾呕血一次，出血量多。近三个月囊肿块逐渐增大，疼痛。查体：发育正常，营养稍差，腹膨隆，未见肠型及蠕动波。左上腹可及肿大脾脏，下界在脐上Zcm，有线超过腹中线约4cm，质硬，位置固定，触痛阳性。B超检 Female patient, 58 years old. The mass in the left upper abdomen has been found for eight years. It is about the size of the egg and occasional pain. He once vomited blood four years ago and he had a lot of bleeding. The cyst was gradually enlarged and painful in the past three months. Physical examination: normal development, slightly poor nutrition, abdominal distention, no bowel type and peristaltic waves. The upper left abdomen is enlarged and the spleen is enlarged. The lower bound is Zcm on the umbilicus, and the wire is more than about 4 cm above the abdominal midline. It is hard, fixed, and tender. B ultrasonic inspection