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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 21:1466-1469 (8 2000)
© 2000 American Society of Neuroradiology

ARTICLE

Granulomatous Hypophysitis due to Wegener's Granulomatosis

Mayank Goyal^a, Walter Kucharczyk^,a and Edward Keystone^a

^a From the Departments of Medical Imaging (M.G., W.K.) and Medicine (E.K.), University of Toronto, Toronto, Ontario, Canada.

Summary: We describe the MR imaging findings in a case of granulomatous hypophysitis due to Wegener's granulomatosis. A high index of suspicion of hypophysitis based on imaging findings allowed successful medical management and helped avoid surgery. The MR imaging features included a thickened stalk, a diffusely and uniformly enlarged gland, a normal size or minimally enlarged sella, and enhancement of the optic chiasm.

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