case_images: PMC7489164_01
case_images: Bilateral heterotopic ossification of hips.
case_images: JDRS-2020-31-2-386-389-F1.jpg
case_images: PMC7489164_01_JDRS-2020-31-2-386-389-F1.jpg
case_images: F1
case_images: pelvis revealed extensive bilateral periarticular HO (Figure 1).
case_images: Osteoarthritis and varus deformity of left knee joint.
case_images: JDRS-2020-31-2-386-389-F2.jpg
case_images: PMC7489164_01_JDRS-2020-31-2-386-389-F2.jpg
case_images: F2
case_images: 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).