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Hematocolpos due to imperforate hymen: a case report and literature systematic review
G Marino1, N Alfieri2, I Vaglio Tessitore1
1University of Milano-Bicocca, Monza, Italy.
Introduction And Hypothesis:
Hematocolpos is a rare condition, where menstrual blood fills the vagina, instead of being expelled, due to a series of uterovaginal pathologies, the most frequent of which is the imperforate hymen. To date, few cases of hematocolpos have been reported in the literature.
Methods:
We report a case of hematometrocolpos due to imperforate hymen initially misdiagnosed as constipation and subsequently as ovarian mass; moreover, the present study undertakes a systematic review of studies on hematometrocolpos due to imperforate hymen to synthesize available knowledge on epidemiology, diagnosis, and management about this rare condition.
Results:
A total of 35 studies, describing 61 patients, were identified. The presence of hematocolpos should be suspected in premenarchal patients complaining of low abdominal pain, abdominal swelling, and urinary retention. Genital examination disclosing a tender, pale hymen and ultrasound represent a useful tool for diagnosis. The goal of the management is to timely perform hymenotomy to drain the hematocolpos, followed by hymenectomy to prevent recurrence. Follow-up is needed to diagnose possible recurrences.
Conclusions:
In the case of an adolescent girl complaining of genital pain associated with primary amenorrhea, hematocolpos due to imperforate hymen should be suspected.
