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Questions and Answers
What is the pathophysiology of hypertrophic nonunion?
What is the pathophysiology of hypertrophic nonunion?
- Excessive bone resorption and delayed healing
- Inadequate blood supply and poor stability
- Adequate stability but poor blood supply
- Adequate blood supply with biology and abundant callus formation (correct)
Which classification of nonunion is associated with inadequate immobilization or blood supply?
Which classification of nonunion is associated with inadequate immobilization or blood supply?
- Oligotrophic nonunion
- Hypertrophic nonunion
- Atrophic nonunion (correct)
- Septic nonunion
What imaging technique is essential in the assessment of nonunions?
What imaging technique is essential in the assessment of nonunions?
- MRI scan
- Ultrasound scan
- X-rays (correct)
- PET scan
Which type of nonunion typically heals with mechanical stability?
Which type of nonunion typically heals with mechanical stability?
What is a characteristic feature of oligotrophic nonunion?
What is a characteristic feature of oligotrophic nonunion?
What can lead to a septic nonunion?
What can lead to a septic nonunion?
What is a characteristic feature of oligotrophic nonunion?
What is a characteristic feature of oligotrophic nonunion?
What is a potential cause of atrophic nonunion?
What is a potential cause of atrophic nonunion?
What is the key difference between hypertrophic and oligotrophic nonunions?
What is the key difference between hypertrophic and oligotrophic nonunions?
Which type of nonunion is associated with inadequate immobilization or blood supply?
Which type of nonunion is associated with inadequate immobilization or blood supply?
What is one factor that can contribute to pseudoarthrosis?
What is one factor that can contribute to pseudoarthrosis?
In the context of nonunions, what does pseudoarthrosis refer to?
In the context of nonunions, what does pseudoarthrosis refer to?
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