Placental gross / microscopic abnormalities, nonneoplastic
Breus mole

Author: Mandolin Ziadie, M.D. (see Authors page)

Revised: 12 October 2017, last major update September 2011

Copyright: (c) 2002-2017,, Inc.

PubMed Search: Breus mole

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Cite this page: Ziadie, M. Breus mole. website. Accessed January 23rd, 2019.
Definition / general
  • Massive subchorionic hematoma that can lead to diminished placental function and intrauterine death
  • Sometimes identified on ultrasound (Arch Pathol Lab Med 1983;107:438)
  • Chronic hemorrhage into the subchorionic space that is seen in both livebirths and missed abortions
Gross description
  • Nodular hematoma on fetal surface that bulges into the amnionic cavity and distorts the underlying parenchyma
  • Overlying membranes may be discolored due to hemosiderin