Bone Biology
A 45-year-old man presents with a tibial shaft nonunion 9 months after an open fracture treated with intramedullary nailing. The fracture site shows atrophic nonunion with a 2cm bone defect. The surgeon is planning revision surgery and discussing bone graft options. Regarding bone grafting principles:
Mark each as TRUE or FALSE
Bone graft properties include osteogenesis (cells produce new bone), osteoinduction (stimulates stem...
Cancellous autograft (iliac crest) provides osteogenic cells, growth factors, and scaffold; it incor...
Allograft possesses osteogenic properties; fresh allograft has no immunogenicity; cortical allograft...
Allograft (freeze-dried or fresh-frozen) provides osteoconduction and weak osteoinduction but no ost...
Bone graft substitutes include ceramics (calcium phosphate, hydroxyapatite - osteoconductive only), ...
Answer the questions to see explanations
Click T (True) or F (False) for each option