AF.109 DIAGNOSTIC WORK-UP AND SURGICAL MANAGEMENT OF INSULINOMA: A SINGLE-CENTER RETROSPECTIVE ANALYSIS OF 77 CASES. (September 2021) - Andreasi, V.; Cinelli, L.; Muffatti, F.; Pecorelli, N.; Crippa, S.; Tamburrino, D.; Balzano, G.; Partelli, S.; Falconi, M.