患者 2 0岁 ,未婚。发现腹部逐渐增大 1 0年 ,于1 997年 4月入院。查体 :营养欠佳 ,心肺正常。肝、脾未触及 ,腹部可扪及肿物 ,似妊娠足月子宫大小 ,表面光滑 ,囊性感 ,无压痛。腹围 98ｃｍ ,包块上界达剑突下。肛诊 :子宫较小 ,附件触不清 ,包块下界充满整个盆腔 ,张力较大 ,? Patient 20 years old, unmarried. The abdomen was found to gradually increase 10 years and was admitted to hospital in April 1997. Physical examination: poor nutrition, normal heart and lung. Liver, spleen not touched, abdominal palpable and mass, like pregnancy full-term uterine size, smooth surface, cystic sexy, no tenderness. Abdominal circumference 98cm, the block boundary up to the xiphoid. Rectal examination: the uterus is smaller, the attachment is not clear, the lower bound of the mass is filling the entire pelvis, and the tension is larger.