Introduction:

Cancer is characterized by the multiplication of abnormal cells that extend outside their usual limits. Breast cancer is the most common malignant neoplasm in women and the second most common cause of death in this sex. Metastasis is the spread of malignant cells, originating in one organ, to another site in the body. It occurs by contiguity, blood or lymphatic route. Bone metastases can be a complication in any type of cancer.

Objective:

To characterize bone metastases due to breast cancer in cases treated at General Calixto García University Hospital from 2017 to 2022.

Methods:

A descriptive and retrospective study was carried out at General Calixto García University Hospital (from January 2017-December 2022). The sample was made up of 815 patients with breast cancer, fifty-five of them with bone metastases. Theoretical and empirical methods were used, accompanied by a set of logical thought processes: analysis, synthesis, abstraction, generalization, among others.

Results:

Twenty-six patients of those seen during the study period, presented with bone metastases from the beginning (stage IV) and 29 during follow-up. The most frequent site was the spine.

Conclusions:

Fifty-five patients presented bone metastases, 25 of them had modified radical mastectomy and four with previous conservative surgery. They were treated with zoledronic acid.

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