Perineal Endometriosis

This paper reports a case study of perineal endometriosis in a 33-year-old woman with two bilateral, thickened perineal plaques present for about four years, with the right plaque mainly at an episiotomy scar. Histology confirmed endometriosis by demonstrating glandular structures in cellular stroma with predecidual changes consistent with the late secretory phase of endometrium. The patient underwent radical surgery consisting of total hysterectomy with bilateral oophorectomy and partial excision of the perineal lesions, with complete resolution and no relapse at a 6-month follow-up; the authors note the condition is rare, with only three prior Korean cases reported. This paper is centrally about endometriosis — it specifically describes and pathologically confirms perineal endometriosis arising at a prior episiotomy scar.

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