Computed tomographic characteristics of primary brain tumors in 50 dogs.

J. M. Turrel, J. R. Fike, Richard A Lecouteur, Robert Higgins

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109 Scopus citations


Fifty histologically identified primary brain tumors in the dog were analyzed by computed tomography to establish criteria for identifying tumor types by computed tomography characteristics. Meningiomas could be distinguished from tumors within the brain parenchyma because they usually were broad-based, peripherally located masses that were enhanced homogeneously with contrast material. Among parenchymal tumors, astrocytomas were not distinguished easily from oligodendrogliomas because both tumors had similar features of ring-like and nonuniform enhancement, and poorly defined tumor margins. Choroid plexus tumors were seen as well-defined, hyperdense masses that had marked, uniform contrast enhancement. Pituitary tumors were distinguished readily by their location, minimal peritumoral edema, uniform contrast enhancement, and well-defined margins. Distinguishing features of other less frequently seen tumors (ependymoma, primitive neuroectodermal tumor, glioma, and neoplastic reticulosis) were not identified.

Original languageEnglish (US)
Pages (from-to)851-856
Number of pages6
JournalJournal of the American Veterinary Medical Association
Issue number8
StatePublished - Apr 15 1986
Externally publishedYes

ASJC Scopus subject areas

  • veterinary(all)


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