A man was diagnosed to have myositis ossificans progressive at the age of 20 years. He died five years later. What is the most probable cause of his death -: (A) Starvation and chest infection, (B) Myocarditis, (C) Hypercalcemia, (D) Hyperphosphatemia
Answer is A. The most common causes of death in patients with fibrodysplasia ossificans progressiva were cardiorespiratory failure from thoracic insufficiency syndrome (54%; median age, forty-two years) and pneumonia (15%; median age, fortyyears).