ABOS Surgery Of The Hand Practice Questions - ABOS Surgery Of The Hand Subspecialty Certification Examination Exam

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A 25-year-old has a displaced proximal pole scaphoid fracture. What is the MOST concerning complication given the blood supply of the scaphoid?

High rate of healing with casting alone High risk of nonunion (~30%) and AVN due to retrograde blood supply from the dorsal carpal branch of the radial artery entering at the distal/waist region Median nerve palsy Thumb opposition weakness

Correct Answer:

High risk of nonunion (~30%) and AVN due to retrograde blood supply from the dorsal carpal branch of the radial artery entering at the distal/waist region

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