Definition of "rotationplasty"

The tibia is rotated 180° and fused to the femur Hillmann and colleagues published a report comparing endoprosthetic replacement to rotationplasty in 67 patients, both adults and children, with malignant tumours of the distal femur or proximal tibia.

2009, José Cañadell, Mikel San-Julian, Pediatric Bone Sarcomas: Epiphysiolysis before excision, page 49

Rotationplasty, or a turnabout procedure, is a typical option for children with congenital limb deficiencies, specifically PFFD, as well as for those with bony tumors of the proximal tibia or distal femur.

2014 -, Robert J. Palisano, Suzann K. Campbell, Margo Orlin, Physical Therapy for Children, page 392

Of the three modified amputation techniques listed, the Van Nes rotationplasty leaves the longest residual stump, provides an effective “knee joint”, and is a viable alternative to above-knee amputations in select patients

2015, Mikel San-Julian, Cañadell's Pediatric Bone Sarcomas: Epiphysiolysis before Excision