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患者23岁,孕40周,孕1产0,于1990年6月8日入院,末次月经在89年9月1日,孕期顺利,家族无畸形史。体检:一般情况良好,入院后进行B超检查:胎头位于下方,双顶径9.0cm,股骨长7.6cm,腹围36cm,胎心率145,律齐,脊柱排列连续,胎盘附着于宫底,成熟度Ⅱ级,羊水深度6.7cm。于胎儿脐部上方约2cm处,可见约8.0cm×7.2cm大,实质均匀的包块,其回声似肝脏,外周有一层厚膜包绕,与胎
Patients 23 years old, 40 weeks pregnant, 1 pregnant 0, was admitted on June 8, 1990, the last menstrual period in September 1, 89, during pregnancy, the family no history of deformity. Physical examination: generally good, after admission for B-ultrasound: fetal head located below the biparietal diameter 9.0cm, femur length 7.6cm, abdominal circumference 36cm, fetal heart rate 145, law Qi, spine arranged in a row, the placenta attached to the end of the palace , Maturity level Ⅱ, amniotic fluid depth 6.7cm. About 2cm above the umbilical portion of the fetus, shows about 8.0cm × 7.2cm large, substantially uniform mass, the echo-like liver, the outer periphery of a thick film wrap, and the fetal