Pediatric & Adolescent Gynecology, Obstetrics & Gynecology, Queen's University, Victory 4, Kingston General Hospital, 76 Stuart Street, Kingston, Ontario, Canada. maj3@queensu.ca
Although dysmenorrhea, pelvic mass or pain, genital irritation, and amenorrhea are relatively common complaints, the astute clinician needs a broad differential diagnosis to avoid missing uncommon underlying etiologies such as Müllerian anomalies and cryptomenorrhea, ovarian teratomas and torsion, labial hypertrophy, vaginal foreign bodies, dermopathies, genital ulcers, imperforate hymen, and the absent vagina. This article discusses and illustrates uncommon pediatric and adolescent gynecologic conditions that present with these common complaints.