Aim: The aims of this study were to assess survival outcome of pediatric patients with
localized osteosarcoma of the extremities in Upper Egypt, identify factors of prognostic
significance for survival, and to determine factors predictive of surgical methods used in
these patients, as well as developing a clinical model for risk prediction. Patients and
Methods: A retrospective analysis of data assembled from medical records of 30 pediatric
patients with a histologically verified nonmetastatic osteosarcoma of the extremities treated …