A 51 year old man complains of difficulty walking and mild right sided foot pain for the past several weeks. His medical history for type 1 DM, hypertension and hyperchlesterolemia. Physical examination reveals a significantly deformed right foot and a mildly deformed left foot. X-ray suggests effusion in several of the tarsometatarsal joints, large osteophytes, and several extraarticular bone fragments.
Which of the following is the most likely cause of the patient's complaints?
A) Hyperuricemia.
B) Poor vascular supply
C) Rheumatoid arthritis.
D) Nerve damage.
E) Bone demineralization.
F) Bacterial infection.
