This trial is a prospective, exploratory and descriptive study. The primary objective is to identify early diagnostic biomarkers in patients with TIPMP based on the analysis of Treg lymphocyte subpopulations and epigenetic signatures, and the secondary objective is to characterize the biological processes underlying the transformation of a pre-neoplastic lesion into established ADPC.
Age over 18
Patient with intermediate-risk or high-risk TIPMP according to the European Study Group on Cystic Tumours of the Pancreas (3)
Signed consent to participate
Affiliation with a social security scheme, or beneficiary of such a scheme.
Pregnant or breast-feeding woman
Person in an emergency situation or unable to give consent.
Adult subject to a legal protection measure (adult under guardianship, curatorship or safeguard of justice),
Unable to undergo medical follow-up for geographical, social or psychological reasons.