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Retrorectal endometrioid cyst: a case report
Iraklis E Katsoulis1, Ioannis E Katsoulis
1White Cross Hospital, 1 Sisini Str, 11528 Athens, Greece. hrkats@yahoo.co.uk.
Introduction:
Developmental cysts are the most common retrorectal cystic lesions in adults, whereas reports of endometrioid cysts in this anatomic location are extremely rare.
Case Presentation:
A 21-year-old nulliparous Greek woman presented with chronic noncyclic pelvic pain, and a retrorectal cyst was diagnosed. The lesion was resected through a laparotomy and, on histologic examination, was found to be an endometrioid cyst. The treatment was completed with a six-month course of a gonadotropin-releasing hormone analogue. One year after surgery, the woman remained free of symptoms, and pelvic imaging showed no recurrence of the lesion. Reviewing the literature, we found only three previous reports of an endometrioid cyst in this anatomic location.
Conclusion:
In women of reproductive age, endometriosis must be included in the differential diagnosis of retrorectal cysts.
