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NBME 15 Answers

nbme15/Block 3/Question#15 (5.7 difficulty score)
A 15-year-old is brought to the physician ...
Avascular necrosis of the proximal scaphoid bone๐Ÿ”,๐Ÿ“บ
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 +0 
submitted by cassdawg(1390),

The stem describes tenderness in the anatomical snuffbox ("radial aspect of the wrist between the abductor pollicis longus and extensor pollicic brevis"). This is indivative of a fracture of the scaphoid bone. One of the more common complications is avascular necrosis of the proximal scaphoid bone. [FA2020 p449]

randi  FA2019 p439 +  
cheesetouch  FA18 435 +  



 +0 
submitted by prostar(16),

Scaphoid fracture because it forms the FLOOR of ANATOMICAL SNUFF BOX. Just wanted to add that.




 +0 
submitted by chaosawaits(6),

Minor question: but isn't the anatomical snuff box the triangle between the extensor pollicis brevis and the EXTENSOR pollicis longus, not the ABDUCTOR pollicis longus?