4.2 of 55 Ratings
Technique guides are not considered high yield topics for orthopaedic standardized exams including ABOS, EBOT and RC.
A 2-year-old child has a flexion deformity of the interphalangeal joint of his thumb as seen in Figure A. Surgical correction of this deformity places what structure most at risk as it crosses the surgical field?
Princeps pollicis artery
Ulnar digital nerve
Ulnar digital artery
Radial digital nerve
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When surgically treating a trigger finger in a child, what structure may need to be released in addition to the A-1 pulley?
One or both limbs of the sublimis tendon
Dorsal interosseous insertion
Anomalous insertion of the MCP joint collateral ligament
A 64-year-old diabetic female presents with sudden catching and locking of her ring finger when trying to extend it. Attempts at finger extension are painful, and she notes tenderness in her distal palm. A clinical photo is shown in Figure A. Which of the following structures are implicated in the pathogenesis of this condition?
Extensor digitorum tendon
Oblique retinacular ligament
Transverse carpal ligament