All of the following factors facilitate nonunion except –
Correct Answer: Haematoma formation
Description: A hematoma or blood clot occurs at the fracture site.
This hematoma provides two important factors for fracture healing:-
First, the hematoma provides a small amount of mechanical stability.
Second, and perhaps more importantly, the hematoma brings osteoblast and chondrocytes precursors to the fracture site in large numbers that can begin to differentiate into osteoblast and chondrocytes to begin producing matrix.
Other three options are causes of nonunion.
Category:
Orthopaedics
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