November 17, 2010

USMLE 1 Question 24

An elderly male patient with right hip pain is suspected of having osteoarthritis. This would be confirmed by the presence of:

a) subperiosteal thickening
b) pericardial rub
c) tight skin
d) papular rash
e) subchondral bony sclerosis

The correct answer is E

Radiographic appearances in osteoarthritis are usually normal early on. Later, however, there is typically a narrowed joint space, osteophyte formation, subchondral bony sclerosis, and cyst formation.

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