Diagnosis and Classification of Proximal Junctional Kyphosis and Proximal Junctional Failure
Fig. 17.1 PJK without mechanical failure. (a, b) Preoperative AP and lateral radiographs demonstrating lumbar degenerative scoliosis with coronal imbalance and L4–5 spondylolisthesis. Her pelvic incidence (PI) measured 55° and…