Uterine Sarcomas: A Retrospective Analysis of a Cohort of 62 Patients.

Background and objective Uterine sarcomas are rare tumors, and they account for 4% of all uterine malignancies. These tumors are characterized by a great diversity of histological types, and current knowledge regarding their treatment is limited. The aim of our study was to analyze a cohort of patients with uterine sarcomas with respect to the histological types of their tumors, as well as their prognosis and treatment. Materials and methods This was a retrospective analysis involving patients diagnosed at a single center with uterine sarcoma between 2003 and 2017.  Results The study included 62 patients; the mean age of the patients was 62 ±13 years. Carcinosarcoma was identified in 44% of cases, leiomyosarcoma in 40%, and endometrial stromal sarcoma in 13%. Endometrial stromal sarcoma was found to occur in younger women compared to carcinosarcoma (52 ±13 vs. 66 ±12 years, p=0.016); 90% of patients underwent surgery, and medical treatment was implemented in 42%. The mean overall survival (OS) was 93 ±10.65 months, and the median progression-free survival (PFS) was 12 months. There was a significant association between the stage of the disease at diagnosis and the probability of survival: mean OS was 118 months for locoregional disease vs. 44 months for metastatic disease (p<0.001). The overall five-year survival rate was 39%. Discussion and conclusions Uterine sarcomas are rare cancers, and they are very heterogeneous. They are also associated with a high mortality rate. Further investigational studies are required so that a more effective treatment method and individualized treatment plans can be implemented for patients with uterine sarcoma.