子宫肌壁妊娠是罕见的异位妊娠,是指受精卵在子宫肌层内着床、生长、发育,与子宫腔及输卵管均不相通,临床表现无特异性,术前很难明确诊断,易被误诊。本文就1例肌壁间妊娠误诊为滋养细胞肿瘤报道如下。1病例资料患者,44岁,因“滋养细胞肿瘤(Ⅲ:10),化疗3次后”于2014年5月12日入院。入院前半年,患者因停经50余天于外院行B超检查,提示宫腔内查见1.3cm×0.9cm×1.4cm无回声区,内未见胎心胎 Uterine muscle wall pregnancy is a rare ectopic pregnancy, refers to fertilized eggs implantation in the myometrium, growth and development, and the uterine cavity and fallopian tubes are not the same, the clinical manifestations of non-specific, difficult to confirm the diagnosis before surgery, easy Was misdiagnosed. In this paper, a case of muscle wall misdiagnosed as gestational trophoblastic tumor reported below. A case data, 44 years old, due to “trophoblastic tumor (III: 10), chemotherapy 3 times ” on May 12, 2014 admission. Half a year before admission, patients with menopause for more than 50 days outside the hospital B-ultrasound, suggesting intrauterine access to see 1.3cm × 0.9cm × 1.4cm anechoic area, no fetal heart rate