ABSTRACT

Peri-genicular Giant cell tumours present a unique challenge to the orthopaedic surgeon due to its locally aggressive nature. Native joint preserving options confers less morbidity in comparison to radical excision and reconstruction, however recurrence rate tends to be higher. The use of polymethyl methacryllate (PMMA) decreases the recurrence rate but has potentially devastating effect on the articular cartilage. To safeguard against this the use of an insulating layer between the PMMA and the articular cartilage maybe utilized with the goal of protecting the latter and is referred to as the Sandwich technique.