Surgical approach for hypoglossal schwannomas to prevent deformity of the atlanto-occipital joint

摘要

Background Hypoglossal schwannomas are very rare tumors that often enlarge the hypoglossal canal and jugular foramen, and erode the bone bridge of the occipital condyle. We compared pre- and postoperative 3D bone CT images and discussed the ideal craniotomy to prevent fracture formation.