Osteoarthritis commonly affects the symphysis pubis, the interphalangeal joints of the hands and feet, and the sesamoidometatarsal joint of the great toe with hallux valgus (Resnick 2002) as well as the type II accessory bone of the navicular bone (Lawson et al. 1984). As elsewhere, common radiographic features include bone erosions, eburnation, articular narrowing, and cystic formation. Scintigraphy shows increased uptake and articular narrowing. Not infrequently, the scintigraphic changes appear more prominent and impressive than the radiographic changes, especially in the early stage.
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