Fig. 2From: Ectopic gas in the fibular graft after anterior cervical corpectomy and fusionA 72-year-old man underwent anterior cervical corpectomy and fusion due to cervical spondylotic myelopathy (Group I). A two-level corpectomy and a fibula graft were performed. The computed tomography image shows ectopic gas (arrow) in the fibular graft 3 months after surgery (A). The gas remained (arrow) without sufficient bone fusion 1 year after surgery (B)Back to article page