Endometrial Cast Expulsion: A Rare Cause of Pelvic Pain Case Report and Review of the Literature

Presley S. Parkes, Jennifer L. Trainor, Mehul V. Raval, Cherie Priya Dhar
In: Journal of Adolescent Health · 2020 · vol. 68(5) , pp. 1017–1019 · doi:10.1016/j.jadohealth.2020.08.035 · PMID:33041203 · W3091805213
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This case report describes a rare instance of pelvic pain caused by the expulsion of an endometrial cast and reviews existing literature on this condition.

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Abstract

Menorrhagia is common in adolescents and may necessitate treatment with hormonal contraceptive agents. We describe a case of an adolescent female recently initiated on combined hormonal contraceptive pills with passage of an endometrial cast, a rare complication of hormonal contraceptive therapy. Similarities between this case and limited existing literature shed light on the potential pathophysiology and management of this rare, adverse event. As demonstrated by our case, membranous dysmenorrhea, the term for pain associated with shedding an endometrial cast, should be part of the differential diagnosis of an adolescent female with lower abdominal pain who has recently initiated hormonal contraceptive therapy.

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