Williams C H, VanBergen W S, Prentice R L
J Clin Ultrasound. 1977 Feb;5(1):45-7. doi: 10.1002/jcu.1870050111.
The ultrasonic appearance of extra-amniotic blood clot simulating placenta previa is presented. The single case presented is the most illustrative and best documented example of this phenomenon in a series of 10 patients. The ultrasonic characteristics of this phenomenon are discussed.
本文介绍了模拟前置胎盘的羊膜外血凝块的超声表现。所呈现的这一单一病例是10例患者系列中该现象最具说明性且记录最完整的例子。本文还讨论了这一现象的超声特征。
