环椎后桥的X线观察及临床意义探讨  

A RADIOLOGIC OBSERVATION ON RETRO-ATLAS BRIDGE

作　　者：朱希松[1] 陆锡潮[1] 

机构地区：[1]衢州市人民医院放射科,衢州324000

出　　处：《解剖学杂志》1997年第2期103-106,共4页Chinese Journal of Anatomy

摘　　要：用在1582例颈椎侧位片中发现的76例环椎后桥进行了X线观察.环椎后桥由环枕韧带钙化、骨化形成.后桥可为单侧或双侧,并把环椎后桥分为完全型和不完全型,后者又分为前突型、后突型、双突型、中央型.76例中,临床症状(如上肢麻木、头晕头眩)与后桥孔大小无明显关系.并指出,不完全型环椎后桥在X光片上须与骨折及软组织异物相鉴别.76 retro-atlas bridges detected from 1582 cases of lateral cervical spine radiographs were ob-served radiologically. Retro-atlas bridges were formed by the calcification and ossification of the atlantooccipital ligament. They were unibilateral or bilateral, and divided into two types: the complete and incomplete type. The incomplete retro-atlas bridges could be subdivided into 'forward process', 'backward process', 'double process' and 'central process'. No definite links were found between clinical symptoms (such as numbness in the upper extremity, dizznes) and the size of the retro-atlas bridges. The incomplete retro-atlas bridges differentiated from atlas fracture and foreign body of the soft tissue.

关 键 词：颈椎 环椎 X线 解剖 

分 类 号：R322.72[医药卫生—人体解剖和组织胚胎学]