ABSTRACT
@EN Insulinomas are tumors that, in more than 90% of cases, are both single and benign, so the potential for surgical cure is very high. But, their localization is somewhat difficult, as they are small in size and located deep in pancreatic
parenchyma.
Because success of operation is dependent on the localization rather than the surgical techniques, the availability of good localization technique is mandatory. Recently, endoscopic ultrasonography (EUS) has been reported to be a very sensitive
and
specific test for the localization of insulinomas. We report a case of insulinoma that was localized successfully by EUS, after failure in localization by abdominal ultrasonography, abdominal CT, selective angiography, and even by transhepatic
portal
vein sampling. (J Kor Soc Endocrinol 8:197~202, 1993)
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