This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skeletal infections, Subject name: Anatomy
All are associated with chronic osteomyelitis except 
Select and explain. 
A. Amyloidosis, B. Sequestrum, C. Metastatic abscess, D. Myositis ossificans
D: Myositis ossificans
Answer: D: Myositis ossificans 
Explanation: Complications of chronic osteomyelitis Acute exacerbations Growth abnormalities due to damage to the adjacent growth plate Pathological fractures joint stiffness sinus tract malignancy(very rare) : Squamous cell carcinoma Amyloidosis ref : maheswari 9th ed