Objective To investigate the clinicopathological features,treatment,and prognosis of patients with malignant peritoneal mesothelioma(MPM). Methods Clinical data of 25 MPM patients admitted to Peking Union Medical College Hospital from 1993 to 2017 were retrospectively analyzed.Results The mean age of these 25 patients with pathologically confirmed MPM(epithelioid subtype) was 50 years.The tumors were diffuse in 24 patients(96%) and localized in 1 patient(4%).Cytoreductive surgery was performed in 6 patients(24%),intraperitoneal chemotherapy in 12 patients(48%),and systemic chemotherapy in 24 patients(96%).The median overall survival was 26 months,with 1-year survival rate of 74.2% and 5-year survival rate of 16.7%.Cytoreductive surgery or intraperitoneal chemotherapy combined with systemic chemotherapy showed a significant survival advantage over intraperitoneal or intravenous chemotherapy alone(P=0.046,P=0.005).Cytoreductive surgery(P=0.018) showed statistical significance by multivariate analysis as a predictive factor in survival(hazard rate=6.889;95%CI=1.386-34.247).Conclusions MPM has its diverse clinical manifestations.Patients after cytoreductive surgery have longer survival time.Chemotherapy drugs(except for pemetrexed) and targeted therapy may be promising treatments.Cytoreductive surgery is an independent prognostic factor.
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| http://dx.doi.org/10.3881/j.issn.1000-503X.2018.02.011 | DOI Listing |
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