Placenta

Placenta associated uterine conditions

Polyps



Topic Completed: 1 October 2011

Minor changes: 29 October 2020

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PubMed Search: "Placental polyp"

Mandolin S. Ziadie, M.D.
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Cite this page: Ziadie MS. Polyps. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/placentapolyp.html. Accessed December 8th, 2021.
Definition / general
Microscopic (histologic) description
  • Uterine placental polyps are composed of necrotic and hyalinized chorionic villi without identifiable lining trophoblast; intermediate trophoblast is usually viable; base of polyp is composed of decidua with dilated blood vessels
  • Amniotic polyps are composed of thin connective tissue stalks lined by amniotic degenerating epithelium
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