Case report 779

Correspondence to." G. Okada, M.D., Department of Orthopedic Surgery, Yamada Red Cross Hospital, 810 Takabuku, Watarai, Mie, Japan 516 Fig. 1. Anteroposterior and lateral radiographs of cervical spine show radiopaque densities (arrows) at the C4-5 and C5-6 levels Fig. 2. A Sagittal view of magnetic resonance (MR) image reveals posterior cord compression. B Transverse view shows low intensity mass compressing spinal cord