Scaphoid fracture with AVN
Diagnosis almost certain
Updates to Case Attributes
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Scaphoid Fracture Key Points:
- Most common carpal bone fractured
- 10% of scaphoid fractures have an associated fracture of another bone.
- 70% involve the waist. 10-20% the distal pole and 5-10% the proximal pole.
Avascular Necrosis of the Scaphoid Key Points:
- Occurs in 15-30% of scaphoid fractures
- almost always involves the proximal pole
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Upup to 30% of scaphoid fractures may display increased density of the proximal pole - the more proximal the fracture, the higher risk of AVN
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Thethe radiographic hallmarks of AVN are collapse and fragmentation - often reversible
- may be due to relative ischaemia of the proximal pole
-<li>Up to 30% of scaphoid fractures may display increased density of the proximal pole</li>- +<li>up to 30% of scaphoid fractures may display increased density of the proximal pole</li>
-<li>The radiographic hallmarks of AVN are collapse and fragmentation</li>- +<li>the radiographic hallmarks of AVN are collapse and fragmentation</li>
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