Perianal Episiotomy Scar Endometrioma: A Case Report

Wei Chiang Liu, Kyo Nam Kim, Soo Ah Kim, Soon Yong Kim
In: Journal of the Korean Radiological Society · 2000 · vol. 43(3) , pp. 339 · doi:10.3348/jkrs.2000.43.3.339 · W2343733010
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This case report describes a rare perianal endometrioma located beneath an episiotomy scar, identified by ultrasound as an irregularly marginated hypoechoic mass and by CT as a discrete homogeneous enhancing mass.

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This case report describes a rare instance of an endometrioma located within a perianal episiotomy scar, noting that such presentations are exceptionally uncommon with only a few prior English-language reports. The authors utilized ultrasound and computed tomography to characterize the lesion, identifying it as an irregularly marginated hypoechoic mass on imaging. These diagnostic findings provided clear radiological evidence of the ectopic endometrial tissue residing in the perineal region beneath the surgical scar. This paper is centrally about endometriosis — specifically, a rare extra-pelvic manifestation occurring in a previous episiotomy scar site.

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Abstract

Endometrioma is a common clinical condition, but cases in which an episiotomy scaris present are, however, rare: only two cases have been reported in obstetric journals, and one other in a radiologic journal. All three were in English. We encountered a case in which a solitary endometrioma was present in the perineal region beneath an episiotomy scar. An irregularly marginated hypoechoic mass was revealed by US, and a discrete homogeneous enhancing mass by CT.
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Abstract

Endometrioma is a common clinical condition, but cases in which an episiotomy scaris present are, however, rare: only two cases have been reported in obstetric journals, and one other in a radiologic journal. All three were in English. We encountered a case in which a solitary endometrioma was present in the perineal region beneath an episiotomy scar. An irregularly marginated hypoechoic mass was revealed by US, and a discrete homogeneous enhancing mass by CT.

Keywords

Perineum, neoplasms; Endometriosis; Computed tomography (CT), ultrasound (US) Publication Types Case Report MeSH Terms Permalink information copied to clipboard

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endometrioma

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