Figure 3

Intra-operative photograph and histological section showing necrotic tissue and bony debris consistent with Charcot changes. (A) Intra-operative photograph at time of anterior procedure showing necrotic tissue and bony debris in place of the L4 vertebral body. (B) Histological section showing necrotic tissue at bottom left of slide and macrophage and fibroblastic reaction top right, consistent with Charcot changes (magnification ×400, hematoxylin and eosin stain).