Skip Lesion in Distal Femur with Recurrent Giant Cell Tumor of the Proximal Femur: A Very Rare Case Managed with Excision, Megaprosthesis Reconstruction, and Bone Cement Curettage

This case highlights an exceptionally rare presentation of recurrent GCT with a skip lesion in the same bone and asymptomatic pulmonary metastases. Early recognition, appropriate imaging, and a multidisciplinary approach - including denosumab therapy and surgical reconstruction - are essential for favorable outcomes in such aggressive and atypical cases.