Analysis of prognostic factors and histopathological response to neoadjuvant chemotherapy in osteosarcoma.

Objectives: This study aims to examine the clinical results of patients who underwent medical and surgical treatment for osteosarcoma, to determine the overall survival (OS) and disease-free survival (DFS) rates, and to examine the effects of prognostic factors on these rates.

Patients And Methods: Between January 2005 and January 2020, a total of 64 patients (38 males, 26 females; mean age: 20.9±11.