Figure 5

Anteroposterior (A) and lateral (B) radiographs taken eighteen months after surgery of a patient with Parkinson’s disease with a thoracic spine fracture in a severely ankylosed spine show bony union of the fracture site (T11: arrows) is achieved (arrows) with no evidence of instrument failure. Sagittal (C) and three-dimensional (D) images of computed tomography on the same day show more clearly the complete bony fusion (arrows).