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产妇,29岁。下腹阵痛4小时入院。孕期38~(+2)周。妊娠期间无服药史及其他病史。也未曾采用任何避孕方法于1992年曾足月顺产一女婴,健在。否认近亲结婚。产程顺利,9:30分娩一正常女婴,体检无异常可见。10:00胎盘顺利娩出,脐带旁可见第二脐带,并连结一畸形胎,两胎共一胎盘。第二脐带细小,约12cm×0.3cm×0.2cm,内含一条脐动脉(直径约0.5mm),一条脐静脉(直径约1.0mm),连于畸胎腹部中央部,其左侧有半透明呈乳白色结节隆起。似脐疝。剖开内容为部分屈曲小肠及部分结肠和少量液体。畸胎外形呈“人”字状。在相当于头部位,见结节状突起,约0.7mm×0.6mm×0.5mm,未见五官,在其两旁约0.8～1cm处,各有一0.5mm×0.4mm×0.4mm的结节状突起,剖开为实质性组织,无软骨及其他结构。结节腹面下方相当于胸腹部位,见有肝脏组织暴露在外。畸胎腹呈圆球状,中连脐带,其旁为脐疝,切开腹壁,见两腔,由一薄膜状组织隔开,上腔为2.5cm×1.5cm×0.2cm,无内容物;下腔为2.5cm×3.0cm×3.5cm。内容物上为肝组织,连于圆柱形管状结构,其上端为盲端,其下端可见一团肠组织,内含结肠和小肠,并部分由脐部
Maternal age, 29 years old. Lower abdominal pain 4 hours admission. Pregnancy 38 ~ (+2) weeks. No medication during pregnancy and other medical history. No contraceptive method has been used in full-term birth in 1992, a baby girl, alive. Denied marriage of relatives. Labor smoothly, 9:30 normal delivery of a baby girl, no abnormal physical examination can be seen. 10:00 placenta delivered smoothly, the second umbilical cord can be seen next to the umbilical cord, and link a deformed fetus, a total of two placenta. The second umbilical cord is small, about 12cm × 0.3cm × 0.2cm, contains a umbilical artery (diameter of about 0.5mm), a umbilical vein (diameter of about 1.0mm), connected to the central part of the abdomen abdomen, the left side of the translucent Milky nodules were uplift. Like umbilical hernia. Cut open the contents for partial flexion of the small intestine and part of the colon and a small amount of liquid. Teratoid shape was “human” shape. In the equivalent of the head, see the nodular protrusions, about 0.7mm × 0.6mm × 0.5mm, no features, on both sides of about 0.8 ~ 1cm, each a 0.5mm × 0.4mm × 0.4mm nodular Protrusion, cut open for the substantive organization, no cartilage and other structures. Nodules under the belly equivalent to the chest and abdomen, liver tissue exposed to the outside. Teratogenic abdomen spherical, with the umbilical cord, next to the umbilical hernia, abdominal incision, see the two chambers, separated by a thin membranous tissue, the upper chamber is 2.5cm × 1.5cm × 0.2cm, no content; under The cavity was 2.5 cm x 3.0 cm x 3.5 cm. The contents of the liver, even connected to the cylindrical tubular structure, the upper end of the blind end, the lower end of a group of intestinal tissue can be seen, containing the colon and small intestine, and part of the umbilical