“…Rotationplasty is an alternative to above‐knee amputation or hip disarticulation in lower extremity deficiencies (Kotz, ). In malignancies of either the distal femur or the proximal tibia, after intercalary resection of the knee, the distal limb is rotated 180º in the longitudinal axis, and repositioned to allow ankle to function as a knee, which can be fitted with a custom‐made below‐knee prosthesis (Borggreve, ; Gupta, Alassaf, Harrop, & Kiefer, ; Van Nes, ). Good oncological, functional, and psychosocial outcomes have been documented with this procedure (Gradl et al, ; Steenhoff, Daanen, & Taminiau, ).…”