Boutonniere deformity
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Boutonniere deformity
Among the many osseous abnormalities that may be seen in Rheumatoid Arthritis, the
boutonniere deformity is the culmination of multiple abnormalities in the hand.
Specifically, the deformity arises from hyperextension of the distal interphalangeal
joint, while the proximal interphalangeal joint is flexed |
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