Bone pathologies such as fragility fractures and neoplastic bone lesions are frequently encountered in rheumatology. When these lesions affect the pelvis, they are responsible both for pain that is sometimes very disabling, but also for significant functional disorders due to their location.

Different methods may be used to treat these lesions. The current challenge is to use less and less invasive techniques such as radio-guided cementoplasty to be able to treat all types of people, especially the most fragile. Among the elderly, the prevalence of these bone pathologies continues to increase due to the aging of the population and the improvement of diagnostic means.

The aim of this study is to retrospectively evaluate the outcome of cementoplasty of the pelvis in people aged 80 and over suffering from osteoporotic fractures or neoplastic lesions of the bony pelvis AND to assess the feasibility, safety and efficiency of this treatment.

Inclusion Criteria:

• Patients with lesion of the bony pelvis treated by percutaneous cementoplasty with or without screw fixation at university hospital center of Saint-Etienne between January 1st 2012 and February 28th 2023

Exclusion Criteria:

• Other interventional treatment at the same time and at the same location

Patients with lesion of the bony pelvis treated by percutaneous cementoplasty with or without screw fixation at university hospital center of Saint-Etienne between January 1st 2012 and February 28th 2023 will be included.