Boutonniere Deformity
Flexion of PIP joint with hyperextension of DIP joint. Caused by central slip rupture of extensor tendon at PIP. Mechanism: forceful blow, RA, laceration. Clinical: inability to extend PIP; DIP hyperextends via lateral bands. Treatment: splinting PIP in extension 6 weeks; surgery for chronic cases.
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10What is the primary cause of Boutonnière deformity in a patient with rheumatoid arthritis?
mcqWhich of the following is a characteristic clinical finding in Boutonnière deformity?
mcqWhat is the initial management for a traumatic Boutonnière deformity?
mcqWhat is the Elson test used for in the context of Boutonnière deformity?
mcqIn which stage of Nalebuff classification for rheumatoid Boutonnière is the PIP flexion contracture less than...
mcqWhat surgical procedure is indicated for a severe Boutonnière deformity (Stage III) with fixed deformity?
mcqWhat is the effect of the transverse retinacular ligament (TRL) in Boutonnière deformity?
mcqWhat is the typical mechanism of injury leading to an acute traumatic Boutonnière deformity?
mcqWhich structure is primarily disrupted in a Boutonnière deformity?
mcqWhich joint exhibits hyperextension in Boutonnière deformity?