Abstract
Objectives The study goals were development of reference intervals and an interpretive algorithm for pancreatic cyst fluid tumor markers. Design and methods 442 pancreatic cyst fluids were tested for CEA, CA19-9, and amylase. Results CEA > 30 ng/mL discriminates mucinous from non-mucinous cysts. After CEA analysis, amylase and CA19-9 segregate non-mucinous and mucinous subtypes, respectively. Conclusions Pancreatic cyst fluid tumor markers supplement other diagnostic measures. This study provides estimated reference intervals and an algorithm for interpretation.
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