Hand and Wrist Trauma
A 22-year-old man presents after falling onto his outstretched hand during a football match. He has anatomical snuffbox tenderness but initial radiographs are reported as normal. Two weeks later, repeat radiographs confirm a displaced waist fracture with 2mm of step-off. The surgeon discusses the high nonunion risk and recommends operative fixation with a headless compression screw. The importance of understanding the scaphoid blood supply and fracture classification is emphasized. Regarding scaphoid fractures and their management:
Mark each as TRUE or FALSE
The scaphoid has a RETROGRADE blood supply via the dorsal carpal branch of the radial artery; blood ...
HERBERT CLASSIFICATION: Type A = stable acute (A1 tubercle, A2 incomplete waist) treated conservativ...
Blood supply enters at the PROXIMAL pole and flows distally; the DISTAL pole has the highest AVN ris...
10-20% of scaphoid fractures are NOT visible on initial X-rays; if clinical suspicion high (snuffbox...
Operative indications include displacement greater than 1mm, angulation greater than 15 degrees, pro...
Answer the questions to see explanations
Click T (True) or F (False) for each option