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AJNR - American Journal of Neuroradiology

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Angiographic Features of Spontaneous Intracranial Hypotension

Scott A. Koss^a, John L. Ulmer^a and Lotfi Hacein-Bey^a

^a From the Division of Neuroradiology, Department of Radiology, Medical College of Wisconsin, Milwaukee, WI

View larger version (143K): [in a new window]   FIG 1. Arteriograms of the left carotid artery. Arterial and venous phases show an enlarged anterior falx artery (arrow) and multiple enlarged cortical and medullary veins, associated with SIH.

View larger version (64K): [in a new window]   FIG 2. MR images of SIH. Sagittal view T1-weighted image (left) shows depressed cerebellar tonsils, hypothalamic structures, and effacement of the prepontine cistern. Coronal view T1-weighted image (center) shows diffuse dural thickening and enhancement, and coronal view T2-weighted image (right) shows dural high T2 signal intensity. These findings resolved with the symptoms.