A Case of Cementless Impaction Bone Graft in a Revision Total Hip Arthroplasty Requiring Calcar Reconstruction

Table 1

Paprosky classification of femoral deficiency in rev1s1 on total hip replacement.

Type	Description
I	Minimal metaphyseal bone loss, intact diaphysis
II	Extensive metaphyseal bone loss, intact diaphysis
IIIa	Extensive metaphyseal bone loss, diaphyseal bone loss with >4 cm of scratch fit at the isthmus
IIIb	Extensive metaphyseal bone loss, diaphyseal bone loss with <4 cm of scratch fit at the isthmus
IV	Extensive metaphyseal bone loss and nonsupportive diaphysis