The tumor diameter and blooding in operation of the vascular leiomyoma have great differences with myoma of uterus (P< 0.05). The certain diagnosis before operation is difficult.
结果血管型平滑肌瘤的瘤体大小及术中出血量与普通型平滑肌瘤有明显不同（P<0.05）。
The amount of hemorrhage during operation in group A(central placenta previa or placenta attached to the anterior and side walls of uterus)was distinctly greater than in group B(P<0.05).
术中出血量在前置胎盘中央型患者A组较B组显著增加（P< 0 .0 5） ；
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