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Diagnostic imaging of malignant insulinoma in a dog

  • Choi, Jihye (Department of Veterinary Medical Imaging, College of Veterinary Medicine, Chonnam National University) ;
  • Keh, Seoyeon (Haemaru Referral Animal Hospital) ;
  • Kim, Sungsoo (Haemaru Referral Animal Hospital) ;
  • Lee, Su-Hyung (Department of Veterinary Pathology, College of Veterinary Medicine, Seoul National University) ;
  • Kim, Hyejin (Haemaru Referral Animal Hospital) ;
  • Choi, Heeyeon (Haemaru Referral Animal Hospital) ;
  • Lim, Younji (Haemaru Referral Animal Hospital) ;
  • Kim, Hyunwook (Haemaru Referral Animal Hospital) ;
  • Kim, Ahyoung (Haemaru Referral Animal Hospital) ;
  • Kim, Dae-Yong (Department of Veterinary Pathology, College of Veterinary Medicine, Seoul National University)
  • Received : 2011.11.11
  • Accepted : 2012.07.05
  • Published : 2012.09.30

Abstract

Endocrine test data from a 13-year old intact female Maltese was indicative of the presence of an insulinoma, however ultrasonography identified a pancreatic mass only after 10 months after the first admission. Following identification of both pancreatic tumor and hepatic metastasis on computed tomography (CT), surgical excision of the mass was attempted. However, total excision failed because of tumor adhesion to adjacent large vessels. The pancreatic mass was monitored over the next 25 months via ultrasonography, CT, and positron emission tomography-computed tomography (PET-CT). Histopathological and immunohistochemical data confirmed the diagnosis of insulinoma with hepatic metastasis.