Hijji M, Watfeh K, Elyoussfi M and Bargach S
Hymen imperforation is a relatively rare congenital malformation; Hematocolpos, which refers to the progressive accumulation of menstrual blood in the vaginal cavity, it is most common manifestation in adolescence. Clinically, it is manifested by cyclical pelvic pain and primary amenorrhea. More rarely, it can be revealed by a pelvic mass. Diagnosis is easy and, above all, clinical and must be made early in order to preserve the patient's subsequent fertility. Ultrasound and nuclear magnetic resonance are the complementary examinations of choice to detect possible associated genitourinary malformations. Treatment consists of a hymenotomy.