IMAGING DIAGNOSIS--MAGNETIC RESONANCE IMAGING FEATURES OF METASTATIC CEREBRAL LYMPHOMA IN A DOG

We describe histopathologically confirmed intracranial metastasis of cutaneous lymphoma. In magnetic resonance (MR) images there was a heterogeneous, contrast-enhancing, extraaxial mass in the right parietal and piriform lobes at the level of the optic chiasm. Our MR imaging findings are consistent...

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Bibliographic Details
Published in:Veterinary radiology & ultrasound 2011-03, Vol.52 (2), p.192-195
Main Authors: THOMOVSKY, STEPHANIE A, PACKER, REBECCA A, BURCHAM, GRANT N, HENG, HOCK GAN
Format: Article
Language:English
Subjects:
Animals
Brain Neoplasms - pathology
Brain Neoplasms - secondary
Brain Neoplasms - veterinary
brain tumor
central nervous system
dog
Dog Diseases - pathology
Dogs
Female
Lymphoma, T-Cell, Cutaneous - pathology
Lymphoma, T-Cell, Cutaneous - veterinary
magnetic resonance imaging
Magnetic Resonance Imaging - veterinary
neoplasia
Skin Neoplasms - pathology
Skin Neoplasms - veterinary
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Summary:We describe histopathologically confirmed intracranial metastasis of cutaneous lymphoma. In magnetic resonance (MR) images there was a heterogeneous, contrast-enhancing, extraaxial mass in the right parietal and piriform lobes at the level of the optic chiasm. Our MR imaging findings are consistent with reports in humans in that lymphoma masses have indistinct borders that are iso- to hyperintense relative to adjacent gray matter on T2-weighted images. Our report varies from findings in humans in that the mass was extraaxial, whereas masses reported in humans are intraaxial. Contrast enhancement can be heterogeneous, as in our report, or homogeneous.
ISSN:1058-8183
1740-8261
DOI:10.1111/j.1740-8261.2010.01768.x