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. 2016 Jun 3;30(4):1216–1221. doi: 10.1111/jvim.14360

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Copyright © 2016 The Authors. Journal of Veterinary Internal Medicine published by Wiley Periodicals, Inc. on behalf of the American College of Veterinary Internal Medicine.

This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Axial MRI images of the brain show enlargement of the pituitary gland that is mixed hyper and hypo intense on T2W images (A, white arrow), predominantly hyperintense on T1W images (B, white arrow), and strongly contrast enhancing (C, white arrow). A region within the left aspect of the pituitary gland was hypointense to surrounding pituitary on both the T1 and T2 W images. This same region had reduced contrast enhancement on postcontrast T1W images when compared to the surrounding pituitary. A focal, broad based, mildly T2 hypointense, T1 isointense, markedly uniformly contrast enhancing extraaxial mass with regional vasogenic edema is also noted in the left temporal lobe and internal capsule (A–C, black arrow).