小儿腰骶部脊膜膨出是临床常见的小儿神经管发育畸形。其病因尚不明了,可能与放射线,缺氧有关。脊柱裂通常表现为棘突及椎板缺损。有隐性和显性两大类:隐性脊柱裂,其发病率占人口1%~1.5%。北方高于南方,农村高于城市。临床上包括无明显神经症状的单纯性脊膜膨出和具有神经障碍 Children with lumbosacral meningocele is a common clinical development of children with neural tube defects. The etiology is not yet clear, may be related to radiation, hypoxia. Spina bifida usually presents as spinous processes and lamina defects. There are two major categories of recessive and dominant: recessive spina bifida, the incidence of the population of 1% to 1.5%. The north is higher than the south, and the countryside is higher than the city. Clinically include simple meningitis without neurological symptoms and neurological disorders