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Keywords:

  • Brain tumor;
  • dog;
  • hemangioblastoma;
  • magnetic resonance imaging

The magnetic resonance (MR) imaging features of a cerebral hemangioblastoma in a 9-year-old dog are described. Imaging revealed a well-defined contrast-enhancing lesion of the rostral forebrain that appeared extraparenchymal. Histopathology of the excised mass showed clusters of small blood vessels interspersed with interstitial cells staining positive for neuronal specific enolase, features consistent with a cerebral hemangioblastoma; the mass also appeared intraparenchymal after further immunohistochemistry study. This neoplasm should be considered a rare differential diagnosis for intracranial masses in dogs.