Scaphoid Fracture — Diagnosis & Treatment
Most common carpal fracture, usually waist (70%). Blood supply retrograde to proximal pole → high risk of AVN. Clinical: anatomical snuffbox tenderness, pain on axial loading of thumb. Investigations: X-ray may be normal; MRI is sensitive for occult fracture. Treatment: cast for undisplaced, screw fixation for displaced, vascularized bone graft for nonunion.
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10What is the most common location for a scaphoid fracture?
mcqWhat is the primary blood supply to the scaphoid?
mcqWhich clinical sign has the highest sensitivity for diagnosing a scaphoid fracture?
mcqWhat is the initial treatment for an undisplaced scaphoid fracture?
mcqWhat is the risk of avascular necrosis (AVN) associated with proximal pole scaphoid fractures?
mcqWhich imaging modality is most sensitive for detecting occult scaphoid fractures?
mcqWhat is the management for a complete fracture through the waist of the scaphoid?
mcqIn the Herbert classification of scaphoid fractures, what is a type B2 fracture?
mcqWhat is the appropriate intervention for a scaphoid non-union with cyst formation?
mcqWhich of the following statements about scaphoid fractures is true?