A retrospective study of histological outcome for IPMN after surgery in Lausanne, Switzerland: A case series

•IPMNs are pre-cancerous tumors with a potential evolution to malignant neoplasm.•Revised guidelines can lead to surgical decision but with high morbidity and mortality linked to pancreatic surgery.•Moderns biological markers can help to adjust surgical criteria, added to clinical and imaging features.•More specific criteria are needed prior to resection, and could lead to more and more conservative management.