Identification of Prognostic Factors and Role of Radiotherapy in Patients With Ewing Sarcoma

Identification of Prognostic Factors and Role of Radiotherapy in Patients With Ewing Sarcoma

assess whether there is a correlation between some factors (age, sex, tumor volume, tumor site, chemotherapy-induced necrosis, radiation and biomarkers) and overall survival (OS) and relapse-free survival (RFS) in patients with Ewing sarcoma.

Identification of reliable prognostic factors could help to identify high-risk patients, which may require a different treatment and follow up.

Inclusion Criteria:

• Male and female patients treated at Rizzoli Orthopaedic Institute between 01/01/1991 and 31/12/2021
• Age ≥ 2 years
• Diagnosis of Ewing Sarcoma
• Patients with available clinical and imaging data

Exclusion Criteria:

• At least one inclusion criterion not met