Placental surface cyst
Citation, DOI, disclosures and article data
Citation:
Radswiki T, Yap J, Knipe H, et al. Placental surface cyst. Reference article, Radiopaedia.org (Accessed on 21 Mar 2025) https://doi.org/10.53347/rID-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:
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:
4 times, by
4 contributors -
see full revision history and disclosures
Systems:
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.
References
- 1. Brown DL, Disalvo DN, Frates MC et-al. Placental surface cysts detected on sonography: histologic and clinical correlation. J Ultrasound Med. 2002;21 (6): 641-6. J Ultrasound Med (full text) - Pubmed citation
- 2. Prayer D. Fetal MRI. Springer Verlag. (2011) ISBN:3540732705. Read it at Google Books - Find it at Amazon
- 3. Hong SC, Yoo SW, Kim T et-al. Prenatal diagnosis of a large subchorionic placental cyst with intracystic hematomas. A case report. Fetal. Diagn. Ther. 2007;22 (4): 259-63. doi:10.1159/000100786 - Pubmed citation
- 4. Raga F, Ballester MJ, Osborne NG et-al. Subchorionic placental cyst: a cause of fetal growth retardation--ultrasound and color-flow Doppler diagnosis and follow-up. J Natl Med Assoc. 1996;88 (5): 285-8. - Free text at pubmed - Pubmed citation
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