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- W2891381187 abstract "e22531 Background: Liposarcoma (LPS) are classified into subtypes: well-differentiated (WDLPS), de-differentiated (DDLPS), myxoid (MLPS) and pleomorphic (PLS). We report a single institution cohort of patients with LPS, undergoing surgery and radiotherapy, to explore prognostic factors related to outcome and toxicity. Methods: This retrospective analysis included 186 LPS patients. Patient, tumor, and treatment variables were analyzed for local recurrence (LR-DFS) and distant metastasis (DM-DFS) disease free survival and overall survival (OS). Results: At a median follow-up of 8.6 years (range, 0.1-27.3 years), Kaplan-Meier (KM) survival analysis showed that LR, DM and OS were 75.5%, 76.6% and 48.1%, respectively. KM analysis showed that Age>56, DDLPS and lower limb localization were related to LR (p=0,001, p=0,0001 and p=0,0001, respectively). Association between LR, Age and DDLPS persisted both at univariate (p=0,003 and p=0,0001, respectively) and multivariate Cox regression (CR) analysis (p=0,024 and p=0,002). Age, tumor depth and grading influenced distant recurrence, both at KM (p=0,023, p = 0.026 and p = 0.016) and univariate CR (p=0,026, p=0,042 and p=0,012). Age and grading were confirmed at multivariate analysis (p=0,009 and p 0,017). Patients with WDLPS and wide excision had significantly better OS (p=0,001 and p=0,03, respectively), while histologic G3 and age>56 were related with worse OS (p= 0,008 and p=0,0001, respectively). Age, DDLPS and Grade were related to OS at univariate (p=0,0001, p=0,0001 and p=0,03, respectively) and multivariate CR analysis (p=0,031, p=0,0001 and p=0,001, respectively). Conclusions: Our analysis confirmed that Grade, tumor depth and histological subtype influenced survival. Further studies are needed in order to explore the influence of hystopathologic features on treatment outcomes. [Table: see text]" @default.
- W2891381187 created "2018-09-27" @default.
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- W2891381187 date "2017-05-20" @default.
- W2891381187 modified "2023-09-28" @default.
- W2891381187 title "Management of liposarcoma: A single institutional analysis." @default.
- W2891381187 doi "https://doi.org/10.1200/jco.2017.35.15_suppl.e22531" @default.
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