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. 2013 Oct 18;86(1031):20120519. doi: 10.1259/bjr.20120519

Figure 5.

Figure 5.

Patient with suspected neuropathic joint or chronic regional pain syndrome (CPRS). On CT, there is sclerosis and subarticular cyst formation seen along the anterior cortex of the talus with associated ossification. On single photon emission CT-CT (bottom right), there is avid tracer uptake seen along the margins of the anterior aspect of the tibiotalar articulation and seen on the planar images (bottom left) within the lateral gutter. There is no evidence of neuropathic arthropathy or CRPS. The appearances reflect chronic degeneration of the left ankle, with associated hard anterior impingement.