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Imperforate Hymen Causing Hematocolpos and Urinary Retention.

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Acute urinary retention in young females can be caused by an imperforate hymen leading to hematocolpos. Prompt diagnosis and treatment, like hymenotomy, are crucial to prevent bladder and kidney damage.

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Area of Science:

  • Pediatric Gynecology
  • Emergency Medicine
  • Urology

Background:

  • Acute urinary retention is uncommon in pediatrics and often results from obstruction.
  • Imperforate hymen, a rare condition (1 in 2000), can cause hematocolpos leading to urinary retention.
  • Consider imperforate hymen in pediatric females with urinary retention, primary amenorrhea, or cyclical pelvic pain.

Observation:

  • A 12-year-old female presented with urinary retention, initially misdiagnosed as a UTI.
  • CT scan revealed significant vaginal distension (hematocolpos) and bladder distension.
  • Surgical intervention included urine evacuation, hymenotomy, and evacuation of 300 mL of menstrual blood.

Findings:

  • Successful hymenotomy resolved the acute urinary retention.
  • The patient's symptoms were attributed to hematocolpos secondary to an imperforate hymen.
  • This case highlights a rare but critical cause of urinary retention in pediatric females.

Implications:

  • Emergency physicians must consider imperforate hymen in the differential diagnosis of pediatric urinary retention.
  • Delayed diagnosis of hematocolpos can lead to irreversible bladder dysfunction and renal damage.
  • Early recognition and surgical management are vital for favorable outcomes in pediatric hematocolpos cases.