Levonorgestrel-Releasing Intrauterine System Alone as Primary Treatment in Young Women with Early Endometrial Cancer: Case Report

Massimiliano Fambrini, Gianni Bargelli, Elena Peruzzi, Anna Maria Buccoliero, Annalisa Pieralli, Karin Louise Andersson, Gianfranco Scarselli, Marcella Gallorini, Federica Zolfanelli, Mauro Marchionni
In: Journal of Minimally Invasive Gynecology · 2009 · vol. 16(5) , pp. 630–633 · doi:10.1016/j.jmig.2009.05.007 · PMID:19835809 · W2033782194
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This case report describes the successful primary treatment of early endometrial cancer in a young woman using a levonorgestrel-releasing intrauterine system.

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Abstract

Young women with polycystic ovary syndrome (PCOS) are at increased risk of endometrial adenocarcinoma (EAC) through chronic unopposed estrogen production. We describe the first case, to our knowledge, of grade 1 endometrioid EAC arising in the context of complex atypical endometrial hyperplasia in a 26-year-old woman with thrombophilia and PCOS who wished to retain fertility potential and was treated using a levonorgestrel-releasing intrauterine system alone. At first follow-up biopsy, a single focus of complex hyperplasia without atypia was documented. All specimens sampled during subsequent follow-up demonstrated inactive endometrium with pseudodecidual changes, and no ultrasonographic or magnetic resonance (MR) images exhibiting myometrial invasion or endoabdominal spread were observed. This successful outcome suggests that insertion of a levonorgestrel-releasing intrauterine system is a treatment option in selected young women with early-stage EAC who are not candidates for systemic therapy and who wish to maintain fertility potential. Close histologic follow-up is required, and immediate surgery is mandatory if endometrial cancer persists.

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