A: acute stable (A1 tubercle, A2 nondisplaced waist). B: acute unstable (B1 distal oblique, B2 displaced waist, B3 proximal pole, B4 comminuted, B5 perilunate). C: delayed union; D: established nonunion. Unstable (B) often need fixation; D needs grafting + fixation.
Which type of Herbert classification represents an incomplete fracture through the waist of the scaphoid that does not cross the full width and is non-displaced?
Which Herbert classification type is characterized by a complete displaced fracture through the waist of the scaphoid?
In the context of scaphoid fractures, which type of fracture is most likely to require surgical fixation due to instability?
What is the primary treatment for a Type A1 scaphoid fracture according to the Herbert classification?
Which type of scaphoid fracture is associated with the highest risk of avascular necrosis (AVN)?
What is the management strategy for a Type D scaphoid fracture according to the Herbert classification?
Which Herbert classification type of scaphoid fracture is least likely to result in non-union?
Which type of scaphoid fracture is described as involving a distal oblique fracture line and is classified as unstable?
What type of scaphoid fracture is characterized by a distal pole avulsion?
What is a common long-term complication of untreated scaphoid non-union?
