[Prolapse of the urethral mucosa in girls].

36 cases of prolapses of the urethral mucosa in young girls are reported. The prolapse often presents as a painless vulvar mass appearing at first to be vaginal. The next common symptom is bleeding. Diagnosis is aided by urethral catheterization. The cause is unknown but increased abdominal pressure plays a major role. The best treatment is a simple excision of the prolapse if medical treatment is not sufficient.