Background: Vaginal foreign bodies represent a clinical and diagnostical challenge in pediatric gynecology. Several case reports, case series and retrospective studies have been published, highlighting rare or complex cases. A comprehensive systematic review is lacking.
Methods: Published English-language articles on vaginal foreign objects in patients aged 16 years and younger, with full-text availability were included. Articles on adult patients and patients with an object migrating from the abdominal cavity into the vagina were excluded.
Results: Out of the 215 screened articles 75 were included, comprising a total of 522 patients. The age ranged from 6 months to 16 years, with an average of 6 years and 3 months. The presenting symptoms were documented in 340 patients, with the two most common being vaginal bleeding (n = 172) and vaginal discharge (n = 134). Toilet paper or tissue was the most common object, in 155 out of 447 patients. Ultrasonography was the most utilized diagnostic method, with a sensitivity of 79.9 %. Radiography showed more false-negative than true-positive results, with a sensitivity of 33.3 %. Complications were reported in 35 patients. Evidence of sexual abuse was found in a small group of 16 patients. Vaginoscopy under sedation was the most frequently used therapeutic approach.
Conclusion: A swift and accurate diagnosis is crucial, with clinical examination and ultrasonography playing pivotal roles. Vaginoscopy is the gold standard for definitive diagnosis and therapy. Attention should be given to a potential context of sexual abuse.
Keywords: Adolescent; Foreign object; Pediatric; Vagina.
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