Case Report

Heterotopic Ossification following Total Elbow Arthroplasty in a Patient with Parkinson’s Disease: Case Report and Literature Review

Table 2

Brooker classification of HO following TKA.

ClassDescription

IIslands of bone in the soft tissues
IIBone spurs arising from proximal femur/pelvis with >1 cm of joint space between ends
IIIBone spurs arising from proximal femur/pelvis with <1 cm of joint space between ends
IVApparent ankylosis of hip joint