From the archives of the Rizzoli institute all patients (approximately 750) treated for bone metastases from 01/01/2010 to 31/12/2022.

A review will be made from the medical records, radiological imaging, and histological data of these patients

Inclusion Criteria:

• Age ≥ 18 years
• Diagnosis of bone metastasis from carcinoma, regardless of the type of carcinoma, and of the number and location of the metastases
• Availability of imaging and clinical data
• Availability of at least one follow-up during the last 12 months form diagnosis

Exclusion Criteria:

• At least one inclusion creteria not met

Male and female adult patients, affected by bone metastases derived from carcinoma, treated at Rizzoli Ortopaedic institute from 01/01/2010 to 31/12/2022.