Avulsion of extensor tendon at DIP joint; may involve bony fragment. Mechanism: sudden forced flexion of extended DIP (e.g., ball injury). Clinical: inability to extend DIP; distal finger droop. X-ray: may show avulsion fracture; subluxation if >30–50% articular surface involved. Management: extension splinting 6–8 weeks; surgery for large bony fragment or volar subluxation.
What is the primary mechanism of injury for mallet finger?
What is the most common type of mallet finger?
What is the recommended initial management for a Type I mallet finger?
What is a potential long-term consequence of untreated mallet finger?
Which type of mallet finger injury involves a bony avulsion?
What should be assessed during the clinical examination of a patient with suspected mallet finger?
When is surgical intervention typically indicated in mallet finger injuries?
What is the typical duration for splinting in a case of Type I mallet finger?
Which of the following is NOT a common mechanism of injury for mallet finger?
What is the most appropriate imaging study to evaluate a suspected mallet finger injury?
