Male, 41 year Right hip pain

Male, 41 y

Right hip pain

Voluminous heterogenous ossification arising from right anterosuperior iliac spine, extending to small parts adiacent to greater trohanter. There are also 3 bone islands on the right ischion. The pacient had spine surgery (disc herniation) 9 years ago. The pain started since…now he walks with difficulty…

Myositis ossification

Plz describe findings