Abstract
Objective To analyze the clinical features and diagnostic experiences of retroperitoneal neuroendocrine carcinoma (NEC).Methods Clinical data of primary retroperitoneal NEC from January 2000 to January 2012 were retrospectively collected and analyzed.Results Five candidates were included 4 male and 1 female.The median age was 53 years old.3 cases initially suffered from abdominal pain and radiative back pain,2 cases were confirmed by normal physical check.The CT scan and B type ultrasound were performed among all patients,1 case was diagnosed as pancreas head neoplasm,1 case pancreas insulinoma,which was closely associated with other tissues and the intervational therapy was performed twice preoperatively.All 5 cases were selected surgery as the main treatment,2 cases performed radical tumor resection,3 cases received bypass operation.2 cases were 3 years survival.Conclusion Retroperitoneal NEC is a rare carcinoma,characterized by seriously invasion and high malignant degree.Surgery still remains the mainstay of selections,early diagnosis can significantly improve NEC patients’ overall survival rate.But the early diagnosis rate of this rare kind of patients still need to be improved. Key words: Retroperitoneal neoplasms; Carcinoma,neuroendocrine; Therapy
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