阴道闭锁（英文）

Vaginal Atresia

Key facts Definition:.Failure of primitive urogenital sinus to develop which gives rise to lower third of vigina.Not considered an anomaly of Müllerian duct origin.Classicimaging appearance:.low vaginal obstruction with fibrotic tissue replacing normal zonal anatomy and with secondary hematometrocolpos.Differential diagnosis:vaginal agenesis and imperforate hymen Clinical issues:.usual presentation at menarche with primary amenorrhea

Key facts Definition：.Failure of primitive urogenital sinus to develop which gives rise to lower third of vigina.Not considered an anomaly of Müllerian duct origin.Classicimaging appearance：.low vaginal obstruction with fibrotic tissue replacing normal zonal anatomy and with secondary hematometrocolpos.Differential diagnosis：vaginal agenesis and imperforate hymen Clinical issues：usual presentation at menarche with primary amenorrhea and progressive monthly or cyclic abdominoplevic pain.