Van Nes rotationplasty. Case Report. Theme update

The objective of this work is to develop Van Nes rotationplasty as a therapeutic option in osteoarticular tumorsof the lower limbs surrounding the knee and to present the first case in which this technique was used inUruguay. Clinical case: this is an 8-year-old boy, who consulted for a pathological diaphyseal fracture of theright femur. He was diagnosed with undifferentiated osteosarcoma of the non-metastatic femur, whoseresponse to neoadjuvant chemotherapy was doubtful. Finally, it was decided to perform a Van Nes plasty aftera Winkelmann resection type AI. Conclusion: Van Nes plasty is a procedure that should be considered as avalid therapeutic option in tumors surrounding the knee, mainly in children. It is a unique biologicalreconstruction procedure with excellent functional results.