论文部分内容阅读
本文报告寰枕融合畸形32例。其中男20例,女12例;年龄10～62岁。出现症状的年龄为10～59岁。全部用SomatoMDR_3CT扫描机和日立4500-TECT扫描机扫描。32例均表现为寰枕关节间隙消失,枕骨髁发育不良,寰枕高度小于31mm。本组24例以枕骨髁发育不良为主,寰椎大小、形态基本正常,主要临床表现为颈痛、步态不稳、共济失调、四肢无力等。8例枕骨髁、寰椎发育不良,寰枕高度明显小于正常,主要临床表现为四肢无力、肌张力增高、饮水呛咳、病理征阳性等。寰枕融合并寰枢椎脱位者10例,其中以枕骨髁发育不良为主者2例,寰椎与枕骨髁发育均差者8例。齿状突凸入枕大孔者9例,横韧带断裂7例。
This article reports atlanto-occipital fusion deformity in 32 cases. Including 20 males and 12 females; aged 10 to 62 years. The symptoms of the age of 10 to 59 years old. All scanned with SomatoMDR_3CT scanner and Hitachi 4500-TECT scanner. 32 cases showed atlantooccipital joint gap disappeared, occipital condyle dysplasia, atlantooplasty height less than 31mm. The group of 24 cases of occipital condyle dysplasia, atlas size and shape basically normal, the main clinical manifestations of neck pain, gait instability, ataxia, limb weakness and so on. 8 cases of occipital condyle, atlas dysplasia, atlanto-occipital height was significantly less than normal, the main clinical manifestations of limb weakness, increased muscle tone, drinking cough, positive pathological signs. Atlantoaxial fusion and atlantoaxial dislocation in 10 cases, of which hypoplasia of the occipital condyle in 2 cases, atlas and occipital condyles were poorly developed in 8 cases. Tooth protrusion into the occipital hole in 9 cases, transverse ligament rupture in 7 cases.