颅底凹陷症293例临床分析

CLINICAL ANALYSIS OF 293 PATIENTS WITH BASILAR INVAGINATION

颅底凹陷症的特点是发病隐匿缓慢，多呈进行性加重及偶有间歇性缓解；部分患者症状轻微或无症状，外伤可诱发突然发病，大部分患者临床表现为颈短、后发际低，语言不清，走路不稳等。Ｘ线平片或ＭＲＩ是诊断该病不可缺少的检查方法。该病病情严重者可行手术治疗；无症状者可保守治疗。

The exploration of the pathogenic characteristic, clinical manifestations, diagnosis and surgical treatment of 258 cases of basilar invagination was presented. Follow-up studies ranging form I to 20 years showed that the results of surgical treatment were generally satisfactory. The latent onset, gradually progressive aggravation, and occasionally intermittent release are clinical features of basilar invagination. The symptom may slight or even absent in some patients,which sometimes can be induced by trauma. Most patients have short neck , lower posterior hair-lines,disturbance in articulation and phonation and stagger. X-ray plain plate and MRI are the inevitable means for diagnosis. The main treatment methods include:1,Operation should be considered in severe cases; 2, Patients without symptom can be treated conservatively and operation should be perfomed immediately in the case of aggravation.