Aim: Primary peritoneal serous carcinoma (PPSC) is a rare condition, histologically identical to ovarian serous carcinoma and often diagnosed at late stage. There is not any standardized treatment for PPSC. A retrospective multicentric study was performed in French speaking centers to evaluate cytoreduction surgery and Hyperthermic intraperitoneal chemotherapy (HIPEC) in the treatment of peritoneal carcinomatosis from different origins. The manuscript's aim was to study the particular population with PPSC.
Methods: Between September 1997 and July 2007, 36 patients with PPSC from 9 institutions underwent 39 procedures.
Results: Mortality and morbidity rates were 5.6% and 20.6% respectively. The overall survival at 1, 3 and 5 years are respectively 93.6, 71.5 and 57.4%. The median overall survival was not reached. By univariate analysis, the only factor that had prognostic value was PCI (p = 0.03).
Conclusions: The therapeutic approach combining cytoreductive surgery with HIPEC may achieve long-term survival in patients with PPSC.
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