CD133 Expression in Placenta Chorioangioma Presenting as a Giant Asymptomatic Mass

Beatrice Belmonte, Emma Bertucci, Tiziana Salviato, Federico Romano, Alessandro Mangogna, Giuseppe Ricci, Andrea Balduit, Guglielmo Stabile, Pina Canu, Gianluca Di Massa

Risultato della ricerca: Articlepeer review


Background: Placental chorioangioma is the most common benign non-trophoblastic neoplasm of the placenta. Its clinical relevance lies in the size of the tumor since larger masses cause pregnancy complications, including an unfavorable neonatal outcome. Case presentation: We report the case of a 34-year-old second gravida and nullipara at the 35th week of gestation, admitted to the gynecological department for antibiotic-resistant fever. The cardiotocography performed during hospitalization showed an abnormal fetal pattern. A 2250 g newborn was delivered by cesarean section. No complications were observed during childbirth and postpartum was insignificant. On gross inspection a white fleshy intraparenchymal mass blooming on the maternal surface was noted; routinely stained sections revealed features consistent with chorioangioma with vascular channels lined by inconspicuous endothelial cells immunoreactive for CD31 and CD133. Focal expression of CD133 was also observed in placental villi. Discussion: CD133 expression indicated the presence of stem cells in chorioangioma, suggesting their possible role in the development of mesenchymal lesions including chorioangioma.
Lingua originaleEnglish
pagine (da-a)162-
Numero di pagine7
Stato di pubblicazionePublished - 2021

All Science Journal Classification (ASJC) codes

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