MRI appearance of placenta percreta and placenta accreta

Catherine Maldjian, Richard Adam, Marco Pelosi, Marco Pelosi, Raoul D. Rudelli, Joseph A Maldjian

Research output: Contribution to journalArticle

140 Scopus citations

Abstract

The purpose of this paper is to describe the magnetic resonance imaging (MR) features of placenta accreta and percreta. We retrospectively reviewed MRI findings in four cases of placenta accreta/percreta to determine features which assist in identifying the presence and extent of placental implantation abnormality. All patients had ultrasound (US) examinations. Pathologic correlation was available in all cases. There were two cases of placenta percreta and two cases of placenta accreta. All cases were treated by hysterectomy. In the two cases of placenta percreta, the placenta demonstrated transmural extension through the uterus (percreta) on MRI. In the two cases of placenta accreta, the location of thinning in the uterine wall correlated with the location of placental invagination into the myometrium at pathology. US correlation was available in all four cases. Gray scale US did not demonstrate placental invasion in any of the four cases of placenta accreta/percreta, however, in two of three cases in which color Doppler was performed, there was flow at the uterine margin suspicious for implantation abnormality. In conclusion, MRI is useful for identifying the presence and extent of placenta accreta/percreta.

Original languageEnglish (US)
Pages (from-to)965-971
Number of pages7
JournalMagnetic Resonance Imaging
Volume17
Issue number7
DOIs
StatePublished - Sep 1 1999

Keywords

  • Accreta
  • Percreta
  • Placenta

ASJC Scopus subject areas

  • Biophysics
  • Biomedical Engineering
  • Radiology Nuclear Medicine and imaging

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