Femorale Knochendefekte nach Gustilo und Pasternak



Typ 1Minimal endosteal or inner cortical bone loss; <50% thinning of proximal cortices; circumferential wall intact
Typ 2
Cement/bone interface failure; >50% thinning of proximal cortices; canal enlargement;
circumferential wall intac
Typ 3
Posteromedial wall defect involving the lesser trochanter, with instability
Typ 4
Total proximal circumferential bone loss in varying distances below the lesser trochanter