Objective: To analyze the incidence and survival of patients with oligometastases (solitary and normal) when they are treated in centers that are experts in multidisciplinary approach to patients with sarcoma.
Material and method: Retrospective analysis of 414 patients with bone metastases secondary to carcinomas at Hospital Universitario La Paz and Hospital MD Anderson Cancer Center (Madrid) between May 2006 and May 2019. Metastases located in the pelvis and axial skeleton were excluded, analyzing a total of 28 patients who met the criterion for solitary metastases or oligometastases with normal criteria. The study survival estimate was carried out following the Kaplan-Meier statistical method.
Results: The survival of the patients following the oligometastases criteria (solitary and normal) was 53%. Breast cancer was the most prevalent and had a survival rate of more than 70%. The average age of the patients was 58 years old.
Discussion: Systemic treatments in cancer treatment have managed to improve disease-free survival curves and lead us to redirect on the paradigm for the treatment of oligometastases, stating that treatment should be carried out in the centers that are experts in the treatment of sarcomas.
Conclusions: The choice of surgical treatment for patients with oligometastases in the strict sense (solitary) and normal should be evaluated by multidisciplinary teams according to the prognoses of the patient, anatomical location and histiotype of the neoplasm.
Keywords: Abordaje multidisciplinar; Cancer; Cáncer; Enfermedad ósea metastásica; Metastatic bone disease; Multidisciplinary approach; Oligometastases; Oligometástasis.
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