Letter to the Editor concerning "Alterations of 3D acetabular and lower limb parameters in adolescent idiopathic scoliosis" by Karam M, et al. (Eur Spine J [2020]; 29(8):2010-2017): Does windswept deformity of the knee exist in 274 participants with adolescent idiopathic scoliosis?
1 Department of Orthopedic Surgery, Tohoku Orthopedic and Dental Clinic, 4-9-22 Kamiyagari, Izumi-Ku, Sendai-City, 981-3121, Japan.
2 Department of Orthopedic Surgery, Tohoku University Graduate School of Medicine, 1-1 Seiryo-Machi, Aoba-Ku, Sendai-City, 980-8574, Japan. t-sugita@tohokuseikei.com.
3 Department of Orthopedic Surgery, Tohoku University Graduate School of Medicine, 1-1 Seiryo-Machi, Aoba-Ku, Sendai-City, 980-8574, Japan.