Placental chorioangioma

Case contributed by Dr Aneesh km


Routine first-trimester antenatal scanning of an 11 to12 weeks gestation.

Patient Data

Gender: Female

A well circumscribed hypoechoic mass at the fetal surface of the placenta, adjacent to the cord insertion, bulging into the amniotic cavity. The mass has internal vascularity and adjacent feeding vessels.

Case Discussion

Possibility of chorioangioma of placenta was considered. An important differential is intramural/submucosal fibroid, however intraplacental location and internal vascularity with feeding vessel, favor the diagnosis of chorioangioma.

Chorioangioma is the most common benign placental tumor and frequent incidental finding in antenatal scans. Follow-up monitoring for size, development of polyhydramnios or even hydrops fetalis.

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Case information

rID: 20082
Published: 2nd Nov 2012
Last edited: 27th Dec 2019
System: Obstetrics
Inclusion in quiz mode: Included

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