FRCR 2B Companion Bone tumors 1
Detection of recurrence.
Compare pre- and postoperative (follow-up) x-rays for new areas of osteolysis , cortical reactions and soft tissue involvement .
Radiopaque material (bone cement) is noted in the distal femur on its lateral aspect.
A well defined radiolucent, expansile area is noted superior to the bone cement along the lateral margin which is seen to cause cortical thinning.