Abstract
BackgroundPancreatic cancer has dismal prognosis with a 5-year survival of 12 %. Cystic lesions have been identified as premalignant lesions. The challenge is to identify lesions with high risk of malignant progression, to offer patients prophylactic curative pancreatic surgery. Previous studies have identified mucin biomarker panels (MUCPs) as potential discriminators of pre- and malignant pancreatic cystic lesions. The present study assessed whether MUCPs contribute to more accurate identification of patients with high-risk pancreatic lesions and improve selection for surgery. MethodsThis retrospective crossover study included 88 patients referred to endoscopic ultrasound because of unclear pancreatic cystic lesions. Clinical management and surgical decision-making with and without MUCP values were assessed by two expert teams with access to patient medical history, radiology, fine-needle aspirates, cytology, and cystic fluid carcinoembryonic antigen. ResultsThe adjunct of MUCPs improved decision-making in 2 of 21 cases with surgical pathology, identifying one cancer that otherwise would have been missed and sparing one patient from unnecessary surgery. DiscussionAccess to MUCPs in a clinical setting improved correct selection of high-risk pancreatic lesions for surgery in single cases. A higher number of incorrect recommendations for surgery with the adjunct of MUCPs was also noted, which calls for caution.
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