111In octreoscan SPECT-MRI fusion for the detection of a pancreatic insulinoma

Valeria M. Moncayo, Diego R. Martin, Juan M. Sarmiento, Blazej Zbytek, Tim Fox, David M. Schuster

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


A 72-year-old woman with a history of diabetes mellitus presented with severe episodes of hypoglycemia, associated with diaphoresis and somnolence, for 1 year. Workup revealed high insulin and c-peptide. Given the clinical suspicion of an insulinoma, an MRI was performed, which demonstrated abnormal enhancement in the pancreatic head. An octreotide scan with combined single-photon emission computed tomography-computed tomography was performed and fused to the MR, which identified radiotracer uptake at the site of the MR enhancement, enabling precise localization of a pancreatic somatostatin receptor-avid tumor. The patient underwent tumor enucleation with pancreatojejunostomy, and pathologic tests confirmed an insulinoma.

Original languageEnglish (US)
Pages (from-to)e53-e56
JournalClinical nuclear medicine
Issue number3
StatePublished - Mar 2012


  • Insulinoma
  • Magnetic resonance imaging
  • Neuroendocrine tumor
  • OctreoScan

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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