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Radiology, Vol 138, 557-562, Copyright © 1981 by Radiological Society of North America

ARTICLES

The role of pancreatic venous sampling in the localization of occult insulinomas

JL Doppman, MF Brennan, NR Dunnick, CR Kahn and P Gorden

The palpation and enucleation of occult insulinomas (less than 15 mm) can be a difficult surgical problem even with good arteriographic localization. In the authors' limited experience, confirmation of arteriographic findings by pancreatic venous sampling provided little additional localizing information. However, if arteriography is negative or equivocal, venous sampling can indicate the segment of pancreas to be "blindly" resected if the adenoma is not palpable. Venous sampling may be misleading in polyendocrine syndromes because of the frequency of multiple adenomas and variable hormone production.




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