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PIN Compression Syndrome - Hand - Orthobullets

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(OBQ18.154) A space-filling lesion leading to nerve compression in the area marked "X" in Figure A would manifest by which of the physical examination findings? Inability to flex thumb 17% (352/2062) Inability to extend thumb 66% (1359/2062) Inability to cross index and middle fingers 3% (71/2062) Inability to extend the proximal interphalangeal (PIP) joints of the index, long, ring, and small fingers 11% (225/2062) Inability to sense light touch at dorsal aspect of ring and small fingers 2% (35/2062) Select Answer to see Preferred Response (SBQ17SE.44) A 75-year-old female presents with difficulty extending her fingers and thumb. Her exam is notable for subcutaneous nodules, ulnar deviation of the metacarpophalangeal joints, and swan neck deformities. The wrist radially deviates with extension. Extension cannot be actively initiated or maintained whe

Updated: Dec 18 2023 PIN Compression Syndrome Prepare 0 % 0 0 0 Practice 0 % 0 Assess 0.0 0 Images Sumary PIN compression syndrome is a compressive neuropathy of the PIN which affects the nerve supply of the forearm extensor compartment. Diagnosis is made clinically with weakness of thumb and wrist extensors without sensory deficits. Treatment is a course of conservative management with splinting and surgical decompression reserved for persistent cases lasting > 3 months. Epidemiology Incidence ~ 3 per 100,000 annually Demographics more common in manual laborers, males…

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