Panniculitis ossificans traumatica of the neck region: Report of a rare case in an unusual location

Panniculitis Ossificans in Posterior Knee: An Unusual Presentation

“…In the early stages as in our case, plain radiography is negative due to lack of sufficient amount of calcification. However, ultrasound and magnetic resonance imaging with gadolinium contrast can diagnose and differentiate early cases of heterotopic ossification from sarcomas, as the pattern of enhancement is a rim in the periphery, while it is diffuse and homogenous in cases of malignancy [4].…”