Placental surface cyst

Last revised by Joshua Yap ◉ on 14 Oct 2022

Citation, DOI, disclosures and article data

Citation:

Radswiki T, Yap J, Knipe H, et al. Placental surface cyst. Reference article, Radiopaedia.org (Accessed on 25 Sep 2023) https://doi.org/10.53347/rID-14943

DOI:

https://doi.org/10.53347/rID-14943

Permalink:

https://radiopaedia.org/articles/14943

rID:

14943

Article created:

7 Sep 2011, The Radswiki ◉

Disclosures:

At the time the article was created The Radswiki had no recorded disclosures.

View The Radswiki's current disclosures

Last revised:

14 Oct 2022, Joshua Yap ◉

Disclosures:

At the time the article was last revised Joshua Yap had no financial relationships to ineligible companies to disclose.

View Joshua Yap's current disclosures

Revisions:

6 times, by 5 contributors - see full revision history and disclosures

Systems:

Obstetrics, Gynaecology

Tags:

stub, cases

Synonyms:

Placental surface cysts
Membranous cyst
Chorionic cyst

Placental surface cysts are often related to cystic change in an area of subchorionic fibrin. They can be variable in size.

Pathology

Subtypes

subchorionic cyst: commonest type ²
amniotic epithelial inclusion cyst

Treatment and prognosis

Most placental surface cysts are associated with a normal pregnancy outcome. Cysts >4.5 cm or >3 in number are more frequently associated with intrauterine growth restriction ¹.