Fig. 1From: Proximal junctional kyphosis in Lenke 5C adolescent idiopathic scoliosis after selective posterior thoracolumbar/lumbar fusion: risk factors and predictive indexProximal junctional kyphosis (PJK) group: A 16-year-old male patient with Lenke 5CN adolescent idiopathic scoliosis (AIS). The preop TK was 33°. The PJA was 14° and 30° immediate postoperation and at follow-up, respectively. The PJK index was 68.5 > 42Back to article page