Multimodality imaging of placental masses: a pictorial review

Priyanka Jha, Viktoriya Paroder, Winnie Mar, Jeanne M. Horowtiz, Liina Poder

Research output: Contribution to journalReview articlepeer-review

13 Scopus citations


Placental masses are uncommonly identified at the time of obstetric ultrasound evaluation. Understanding the pathologies presenting as placental masses is key for providing a differential diagnosis and guiding subsequent management, which may include additional imaging with magnetic resonance (MR) imaging. Potential benign entities include chorioangiomas and teratomas. Larger chorioangiomas can cause fetal cardiovascular issues from volume overload. Placental mesenchymal dysplasia has an association with fetal anomalies and detailed fetal evaluation should be performed when it is suspected. Identifying other cystic masses such as partial and complete moles is crucial to prevent erroneous pregnancy termination. This review addresses normal imaging appearance of the placenta on ultrasound and MR imaging and describes various trophoblastic and nontrophoblastic placental masses. Potential placental mass mimics including uterine contractions and thrombo-hematomas are also presented.

Original languageEnglish (US)
Pages (from-to)2435-2444
Number of pages10
JournalAbdominal Radiology
Issue number12
StatePublished - Dec 1 2016


  • Chorioangioma
  • Complete hydatidiform mole with twin pregnancy
  • PMD
  • Placental masses
  • Placental mesenchymal dysplasia
  • Placental teratoma

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Gastroenterology
  • Urology


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