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Questions and Answers
What type of fracture involves the metaphysis and may or may not extend into the intraarticular surface?
What type of fracture involves the metaphysis and may or may not extend into the intraarticular surface?
- Oblique supracondylar fracture
- Lateral illustration of a transcondylar fracture bordering on a supracondylar fracture
- Lateral condyle fracture of the distal humerus (correct)
- Displaced transcondylar fracture
What type of fracture is characterized as an intraarticular single-column Y intracondylar fracture of the distal humerus?
What type of fracture is characterized as an intraarticular single-column Y intracondylar fracture of the distal humerus?
- Displaced transcondylar fracture
- Oblique supracondylar fracture
- Lateral illustration of a transcondylar fracture bordering on a supracondylar fracture
- Lateral condyle fracture of the distal humerus (correct)
Which type of fracture is considered extraarticular and extracapsular?
Which type of fracture is considered extraarticular and extracapsular?
- Lateral condyle fracture of the distal humerus
- Displaced transcondylar fracture
- Lateral illustration of a transcondylar fracture bordering on a supracondylar fracture
- Oblique supracondylar fracture (correct)
What is the most common mechanism of injury for supracondylar or transcondylar fractures?
What is the most common mechanism of injury for supracondylar or transcondylar fractures?
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When is a long arm cast or posterior long arm splint indicated for distal humeral fractures?
When is a long arm cast or posterior long arm splint indicated for distal humeral fractures?
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Study Notes
Fracture Types
- Metaphyseal Fractures: Involve the metaphysis and may extend into the intraarticular surface, indicating potential joint involvement.
- Y Intracondylar Fracture: Characterized as an intraarticular single-column fracture of the distal humerus, significant in trauma cases affecting elbow stability.
- Extraarticular and Extracapsular Fractures: This type of fracture does not involve the joint surface or the surrounding joint capsule, leading to a typically lower risk of joint complications.
Mechanism of Injury
- Common Cause for Supracondylar/Transcondylar Fractures: The most frequent mechanism of injury is a fall onto an outstretched hand, which can lead to forces that affect the elbow region.
Management for Distal Humeral Fractures
- Long Arm Cast or Posterior Long Arm Splint Indications: These supportive measures are indicated following distal humeral fractures to immobilize the joint and facilitate healing, particularly in specific fracture types or when surgical intervention is not immediately required.
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