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Murphy KM, Carrick K, Gwin K, et al. Rare Complete Hydatidiform Mole With p57 Expression in Villous Mesenchyme: Case Report and Review of Discordant p57 Expression in Hydatidiform Moles. Int J Gynecol Pathol. 2022;41(1):45-50doi: 10.1097/PGP.0000000000000773.
Murphy, K. M., Carrick, K., Gwin, K., Rogers, V., Koduru, P., Ronnett, B. M., & Castrillon, D. H. (2022). Rare Complete Hydatidiform Mole With p57 Expression in Villous Mesenchyme: Case Report and Review of Discordant p57 Expression in Hydatidiform Moles. International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists, 41(1), 45-50. https://doi.org/10.1097/PGP.0000000000000773
Murphy, Kathleen M, et al. "Rare Complete Hydatidiform Mole With p57 Expression in Villous Mesenchyme: Case Report and Review of Discordant p57 Expression in Hydatidiform Moles." International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists vol. 41,1 (2022): 45-50. doi: https://doi.org/10.1097/PGP.0000000000000773
Murphy KM, Carrick K, Gwin K, Rogers V, Koduru P, Ronnett BM, Castrillon DH. Rare Complete Hydatidiform Mole With p57 Expression in Villous Mesenchyme: Case Report and Review of Discordant p57 Expression in Hydatidiform Moles. Int J Gynecol Pathol. 2022 Jan 01;41(1):45-50. doi: 10.1097/PGP.0000000000000773. PMID: 33900230; PMCID: PMC8663530.
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Int J Gynecol Pathol. 2022 Jan 01;41(1):45-50. doi: 10.1097/PGP.0000000000000773.

Rare Complete Hydatidiform Mole With p57 Expression in Villous Mesenchyme: Case Report and Review of Discordant p57 Expression in Hydatidiform Moles.

International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists

Kathleen M Murphy, Kelley Carrick, Katja Gwin, Vanessa Rogers, Prasad Koduru, Brigitte M Ronnett, Diego H Castrillon

PMID: 33900230 PMCID: PMC8663530 DOI: 10.1097/PGP.0000000000000773

Abstract

Complete hydatidiform mole (CHM) is a premalignant proliferative disease of the placenta characterized by misexpression of imprinted gene products, most notably p57. The majority of CHM exhibit immunohistochemical absence of p57 protein in villous mesenchyme (VM) and cytotrophoblast (CT) and are thus p57 VM/CT concordant. However, some gestations show loss of p57 in only VM or CT, either in all chorionic villi or a subset thereof (VM/CT discordant). Here, we present a rare case of a p57 VM/CT-discordant CHM with diffuse retention of p57 expression in VM but complete absence in CT. Histologically, the case exhibited typical features of CHM including trophoblast hyperplasia and severe nuclear atypia, but was unusual in the presence of gestational membranes identified ultrasonographically and histologically. Ploidy determination by FISH and genotyping by short tandem repeat analyses showed that this was a diploid gestation with variable allelic ratios and with an androgenetic lineage, similar to previously reported p57 VM/CT-discordant cases.

Copyright © 2021 The Author(s). Published by Wolters Kluwer Health, Inc.

Conflict of interest statement

The authors declare no conflict of interest.

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