Development of a Non-ossifying Fibroma in the Same Femur 6 Years after Limb-Salvage Surgery for Osteosarcoma: A Case Report
Abstract Introduction: A new osteolytic lesion detected during surveillance after osteosarcoma treatment usually raises concern for local recurrence, a skip lesion, metastasis, or a treatment-related secondary process. Non-ossifying fibroma (NOF) is a common benign fibrous lesion in children and adolescents, but its de...