Levonorgestrel intra-uterine system as a treatment option for complex endometrial hyperplasia

Zeina Haoula, Kate F. Walker, Martin C. Powell
In: European Journal of Obstetrics & Gynecology and Reproductive Biology · 2011 · vol. 159(1) , pp. 176–179 · doi:10.1016/j.ejogrb.2011.06.025 · PMID:21741152 · W1999569870
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This paper investigates the levonorgestrel intra-uterine system (LNG-IUS) as a treatment for complex endometrial hyperplasia.

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Abstract

ObjectiveThe objective of this study was to evaluate the potential treatment of atypical and non-atypical endometrial hyperplasia with the levonorgestrel intrauterine system (LNG-IUS).Study designA prospective observational study was undertaken at Queen's Medical Centre's menstrual disorder clinic between 2001 and 2008. Women presenting with abnormal perimenopausal and postmenopausal bleeding, underwent an endometrial biopsy followed by the insertion of a levonorgestrel intrauterine system (LNG-IUS). The study population comprised of 51 patients. The histology of 32 patients (Group A) showed complex hyperplasia without atypia, and in 19 patients (Group B), biopsy revealed atypical endometrial hyperplasia. These patients chose to be managed conservatively with repeat sampling of the endometrium.ResultsGroup A: 28 (87.5%) patients out of 32 had regression of their endometrial hyperplasia within the first 12 months of follow-up. Three of the patients achieved regression by 24 months increasing regression rate to 96.8% and the remaining one had a hysterectomy due to a rare side effect. Group B: 16 (84.2%) of 19 patients had regression of the atypical hyperplasia after treatment with the intrauterine system within 12 months of treatment. One patient achieved regression of the hyperplasia by 24 months and two patients went on to have surgical management due to persistent atypia and severe atypia respectively.ConclusionThis study contribute further evidence that illustrates that levonorgestrel intrauterine systems have a potential role in patients requiring non-operative management although close follow-up is essential.

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