placental teratoma
A placental teratoma is a very rare placental tumor.
Pathology
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 . A normal fetus is often seen in separation.
There is usually a lack of structural organization and lack of large vessels entering the tumor .
Differential diagnosis
Consider
- acardiac fetus - acaidiac amorphus
See also
Siehe auch:
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