Abstract
We reviewed 7 cases who underwent surgical intervention for dumb-bell tumors of the cervical spine. According to Eden's classification was one case there of type 2, five type 3, and one type 4. The type 2 case was operated on by both the posterior and anterior approach. All of the type 3 cases were operated on by the posterior approach alone. The type 4 case was operated on by the anterior approach. Pathological diagnoseis were all neurinoma except one case of malignant Schwannoma. To make an appropriate decision for the best surgical approach, it is very important to elucidate the localization of the tumor preoperatively using MRI, myelography, CTM, and angiography, etc. In this study, clinical results were gererally good, with only one case having a kyphotic deformity in the cervical spine postoperatively. In order to avoid postoperative kyphotic deformity, some kind of fusion technique should be added to the posterior approach.
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