• Thomas Obinchemti Egbe, Fidelia Mbi Kobenge, and Emmanuella Manka'a Wankie.
• Faculty of Health Sciences, University of Buea, Buea, Cameroon.
• SAGE Open Med Case Rep. 2019 Jan 1; 7: 2050313X19846765.

AbstractImperforate hymen results from failure of the endoderm of the urogenital sinus to completely canalize and has an incidence of 0.01% to 0.05%. This sometimes presents as a pelvic mass that compresses the bladder causing acute urinary retention. A 13-year-old girl was referred to our department with a history of primary amenorrhea, cyclic lower abdominal pain, abdominal-pelvic mass, constipation and acute urinary retention. She had an ultrasonography misdiagnosis of a huge ovarian mass before referral to our unit. On examination, the vagina was bulging and compressing the rectum. Repeat abdominal ultrasonography confirmed the diagnosis of hematometrocolpos. She underwent X-shaped hymenotomy with a favorable outcome. Diagnosis of imperforate hymen requires high suspicion index. Virginity-sparing surgery constitutes a good treatment option for cultural and religious reasons.

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