Preoperative imaging and localization of small sized insulinoma with EUS-guided fine needle tattoing: a case report

George N. Zografos, Alexandra Stathopoulou, George Mitropapas, John Karoubalis, George Kontogeorgos, Gregory Kaltsas, George Piaditis, George I. Papastratis

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We report a case of an insulinoma that was not identified on either Computerized Tomography (CT) scan and Magnetic Resonance Imaging (MRI). Endoscopic ultrasonography (EUS) revealed a small insulinoma located at the body of the pancreas, which was histologically confirmed. The patient underwent a laparotomy but no tumour was identified either on palpation or with intra-operative ultrasound …

Anatomical localization of insulinomas: still a need to combine a set of diagnostic procedures

Gianluca Tamagno, Donal O’Shea

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The diagnosis of insulinoma is based on universally defined clinical and laboratory parameters (Whipple triad and fasting test). Pre-operative tumor localization is the main challenge in the diagnostic management of insulinomas. The pre-operative and/or intra-operative localization …