病例报告患者女性,53岁。主诉30年前妊娠9个月时在一次剧烈腹痛后自觉胎动消失,腹围缩小。2个月后自阴道排出2块鸡蛋大的血块样组织,随后右下腹部触及一拳头大的肿物(后来又顺娩4胎,但肿物始终存在)。体检于宫体左上方触及2个拳头大肿物,质地较硬,表面不平。x线腹部平片示:小骨盆略偏左上方有一15～8cm包膜完整的胎样组织,呈俯屈状,骨 Case Report Patient Female, 53 years old. Chief complaint 30 years ago, nine months of pregnancy in a severe abdominal pain conscious fetal movement disappeared, abdominal circumference narrowed. Two months after the discharge from the vagina 2 eggs large clot-like tissue, then hit the lower right abdomen big fist mass (and then deliver 4 childbirth, but the tumor has always existed). Physical examination in the upper left of the palace touched two fist large mass, hard texture, uneven surface. X-ray abdominal plain film shows: slightly left slightly above the pelvis a 15 ~ 8cm envelope intact fetal tissue, was flexion-like, bone