Hand and Wrist Trauma
A 24-year-old man presents after falling onto his outstretched hand while skateboarding. He has pain in the anatomical snuffbox and pain with axial loading of the thumb. Initial radiographs appear normal. He returns 2 weeks later with persistent symptoms, and repeat radiographs now show a nondisplaced fracture through the scaphoid waist. Regarding scaphoid fractures:
Mark each as TRUE or FALSE
The scaphoid has a retrograde blood supply entering distally, making proximal pole fractures at high...
Initial radiographs may be negative in up to 20% of scaphoid fractures; if clinical suspicion is hig...
The blood supply enters the scaphoid proximally; distal pole fractures have the highest AVN risk; mo...
Non-displaced waist fractures can be treated with thumb spica casting (including thumb IP joint) for...
Complications include nonunion (5-10% of all fractures, higher with proximal pole and displacement),...
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Click T (True) or F (False) for each option