[Value of the Peroperative Association of Echography, Extemporaneous Cytology and Immediately Available Insulin Blood Levels of the Portal Vein. Apropos of 2 Cases of Insulinoma]

The authors report two cases of insulinoma managed by per-operative ultrasound and cytology, together with immediate portal vein insulin levels. They stress the value of these per-operative exploratory techniques which reduce the number of pre-operative invasive examinations while ensuring a greater efficacy in the localization and treatment of these tumors.