硬脑膜外层切除减压术治疗小脑扁桃体下疝畸形
China Health Care & Nutrition(2017)
Abstract
小脑扁桃体下疝畸形是最常见的颅颈交界区先天性畸形之一,其病理特点表现为小脑扁桃体下移超过枕骨大孔进入椎管,后颅窝容积相对狭小以及脑脊液动力学改变.有症状的患者行后颅窝减压能有效缓解病情,但是具体的手术方式尚存在各种争议.硬脑膜外层切除减压术即切除硬脑膜外层并保持内膜完整,该术式能达到有效减压的同时可减少传统的后颅窝减压手术的常见并发症:如脑脊液漏、假性脑脊膜膨出等.现就硬脑膜切除减压术治疗小脑扁桃体下疝畸形相关研究进展综述如下.
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