Reoperation with Total Hysterectomy after Incomplete Surgery Is Helpful in Patients with Incidentally Diagnosed Uterine Leiomyosarcoma.

ABSTRACT

OBJECTIVE: The aim of this study was to evaluate the impact of initial surgical treatments and surgical re-exploration on the oncological outcomes of patients with incidentally diagnosed uterine leiomyosarcoma (uLMS). DESIGN: A retrospective analysis of 87 patients who underwent re-exploration for incidentally diagnosed uLMS at the Fudan University Shanghai Cancer Center was performed. METHODS: Kaplan-Meier and Cox proportional hazards regression models were used for analyses. RESULTS: The median age (range) at diagnosis was 49 (23-76) years. The median disease-free survival (DFS) and overall survival (OS) were 15.1 and 56.7 months, respectively. The Kaplan-Meier curves and log-rank tests showed the median DFS was longer in patients with restaging operation (N = 30) than without (N = 55) (p = 0.017) but no significant difference in median OS (p = 0.142). In patients who underwent myomectomy/subtotal hysterectomy, 5 patients (28.5%) had remnant sarcoma during re-exploration with complete uterine removal, and re-exploration was associated with longer DFS (p = 0.038) and OS (p = 0.042). LIMITATIONS: The limitation of this study is its retrospective observational design with a limited number of patients. CONCLUSION: Reoperation with total hysterectomy after incomplete surgery may be helpful in patients with incidentally diagnosed uLMS at the first treatment.