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Unusual MR Findings of the Brain Stem in Arterial Hypertension

Jérôme de SezeGo,a, Bruno Mastaina, Tanya Stojkovica, Didier Ferribya, Jean Pierre Pruvoa, Alain Destéea and Patrick Vermerscha

a From the Departments of Neurology and Neuroradiology, Hôpital R. Salengro, Lille, France.



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  		FIG 1. Images of a 41-year-old man who presented with blurred vision and headache. The fast-FLAIR imaging parameters were as follows: 9000/119/1 (TR/TE/excitations); acquisition time, 3 min 27 s; field of view, 175 x 280; matrix, 154 x 256. The T1-weighted imaging parameters were as follows: 540/12/1; acquisition time, 2 min 39 s; field of view, 188 x 250; matrix, 144 x 256.

A, Fast-FLAIR image shows an extensive brain stem lesion.

B, Fast-FLAIR image shows that the lesion dramatically improved after surgical treatment of pheochromocytoma.

C, Fast-FLAIR image shows periventricular hyperintensities.

D, Fast-FLAIR image shows that the periventricular hyperintensities also totally resolved after surgery.

E, T1-weighted image shows that the pons was swollen at the begining of the symptoms.

F, T1-weighted image shows that the pons returned to normal size and configuration after surgery.



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  		FIG 2. Images of a 52-year-old woman who presented with progressive headaches.

A, Fast-FLAIR image shows a brain stem lesion (left) and that the brain stem lesion resolved after treatment for hypertension (right).

B, Fast-FLAIR image shows periventricular hyperintensities (left) and that the periventricular hyperintensities decreased considerably after treatment (right).





Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X