Korean Journal of Gastrointestinal Endoscopy 1993;13(3): 591-594.
내시경초음파검사로 종양의 위치가 진단된 인슐린종 1예 ( Localization of an Insulinoma by Endoscopic Ultrasonography )
정재복, 천상배, 김명욱, 이현철, 강진경, 박인서, 송건창, 신동환 (Jae Bock Chung, Sang Bae Chun, Myung Wook Kim, Hyun Chul Lee, Jin Kyung Kang, In Suh Park, Kun Chang Song and Dong Hwan Shin)
Abstract
A 45-year-old woman with recurrent disturbances of consciousness for 4 years with hypoglycemia was hospitalized with the clinical suspicion of an insulinoma. The findings of transabdominal ultrasonography, computed tomography and angiography were negative. Transhepatic venous sampling for pancreatic hormone assay showed sudden step-up of serum level of insulin in the venous blood from the tail of the pancreas. Finally, an endoscopic ultrasonographic examination established with certainty the origin of the tumor from the tail of the pancreas, which was subsequently confirmed at operation. In conclusion, endoscopic ultrasonography is a useful and valuable procedure for the localization of insulinoma especially in patient with insulinoma of the pancreas that cannot be localized by conventional methods.
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