Placental teratoma

A placental teratoma is a very rare placental tumour.


A placental teratoma is benign and almost never associated with congenital deformities in the fetus.

Radiographic features

Antenatal ultrasound

May show a heterogeneous mass at the placental margin. Hyperechoic foci consistent with fat may be present 1. A normal fetus is often seen in separation.

There is usually a lack of structural organization and lack of large vessels entering the tumour 4.

Differential diagnosis


See also

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Article information

rID: 15298
Tag: stub, cases
Synonyms or Alternate Spellings:
  • Teratoma of the placenta
  • Teratoma of placenta

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