Figure 2.

6 months later, severe flattening of the femoral head with an eccentric depression of the lateral articular surface associated with superolateral subluxation, sclerosis, and subchondral defects. Notice the hatchet-like appearance of the femoral head.

Batra et al. Journal of Orthopaedic Surgery and Research 2008 3:3   doi:10.1186/1749-799X-3-3
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