PMC7489164_01
Bilateral heterotopic ossification of hips.
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PMC7489164_01_JDRS-2020-31-2-386-389-F1.jpg
F1
pelvis revealed extensive bilateral periarticular HO (Figure 1).
Osteoarthritis and varus deformity of left knee joint.
JDRS-2020-31-2-386-389-F2.jpg
PMC7489164_01_JDRS-2020-31-2-386-389-F2.jpg
F2
A two-way bilateral X-ray of the knees revealed a total knee replacement on the right side and extensive osteoarthritis of the left knee (Figure 2).