Objective To explore the clinical characteristics and the treatment of arachnoid cysts in sacral canal.
目的探讨骶管蛛网膜囊肿的临床特点及治疗方法。
2
Objective: To evaluate the diagnosis and treatment of arachnoid cyst in the sacral canal.
目的：探讨骶管内蛛网膜囊肿的诊断及治疗措施。
3
Methods Anatomic observation on arachnoid membrane in internal auditory canal in cadaver and operative observation on relationship among tumor, arachnoid membrane and nerve.