title: Extra-amniotic blood clot simulating placenta previa on ultrasound scan.
abstract: 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.
mesh_terms: D000328:Adult; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D010922:Placenta Diseases / Q000175:diagnosis*; D010923:Placenta Previa / Q000175:diagnosis*; D011247:Pregnancy; D013927:Thrombosis / Q000175:diagnosis*; D014463:Ultrasonography; D014592:Uterine Hemorrhage / Q000209:etiology