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J Korean Soc Radiol. 2010 Nov;63(5):463-469. English. Case Report.
Hong YJ , Yu JS , Park C , Kwon JE , Chung JJ , Kim JH , Kim KW .
Department of Diagnostic Radiology, Gangnam Severance Hospital,Yonsei University College of Medicine, Korea.
Department of Pathology, Gangnam Severance Hospital, Yonsei University College of Medicine, Korea.

Islet cell tumors (ICTs) are rare pancreatic neoplasms of neuroendocrine origin, posing a diagnostic challenge to radiologists. We illustrated a spectrum of features of pancreatic ICTs that could be found on multiphase dynamic CT or MRI, and elucidated the histopathologic characteristics by determining the contrast enhancement pattern of the lesions. Various enhancement patterns were dependant on the internal composition of the tumor, that is, the proportion of vascular densities for early enhancement and non-hypervascular interstitial tissue for late enhancement regardless of the size or functional behavior. This knowledge of the imaging-pathologic spectrum of ICTs could be helpful for the proper differential diagnosis from other pancreatic tumors.

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