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目的探讨胎儿心脏横纹肌瘤的超声诊断及病理特征。方法对3例胎儿心脏横纹肌瘤进行尸检,结合文献回顾性分析该病变的超声表现及病理特征。结果3例病例超声心动图发现心房及心室腔内强回声或稍强回声实质性占位,呈圆球状或椭圆状,境界清晰,病理结构为横纹肌细胞,为典型的“蜘蛛细胞”。结论胎儿心脏横纹肌瘤极罕见,超声心动图可发现胎儿心脏横纹肌瘤并准确定位,但病理解剖检查才能最后确诊。
Objective To investigate the ultrasonic diagnosis and pathological features of fetal cardiac rhabdomyoma. Methods Three cases of fetal rhabdomyosarcoma were autopsy and retrospectively analyzed the ultrasound findings and pathological features of the lesion. Results Three cases of echocardiography found a strong echogenic or slightly echogenic mass in the atrium and the ventricular cavity. The echocardiography was spherical or oval in shape with a clear outline of the pathological structure of striated muscle cells, which is typical of spider cells. Conclusions Fetal cardiac rhabdomyoma is extremely rare. Echocardiography can locate fetal cardiac rhabdomyoma and locate it accurately. However, pathological examination can be the final diagnosis.