The anechoic retroplacental area. A pitfall in diagnosis of placental-endometrial abnormalities during pregnancy

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28 Scopus citations

Abstract

A total of 116 consecutive obstetric ultrasound examinations were reviewed. An anechoic area was observed at the placental-endometrial junction in all 54 fundal placentas, 51 of the 52 posterior placentas, and 9 of the 36 anterior placentas. Detail was enhanced by use of a focused transducer with digital gray-scale equipment, and visualization of anterior placentas was improved by placing a water bath between the transducer and the skin surface. The anechoic area was seen beginning in the twelfth week of gestation and corresponds best to the dilated vessels of the decidua basalis.

Original languageEnglish (US)
Pages (from-to)475-478
Number of pages4
JournalRadiology
Volume134
Issue number2
StatePublished - 1980

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology

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