AJDRAJNR - American Journal of Neuroradiology

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Cerebral Angiographic Findings of Spontaneous Intracranial Hypotension

John D. Rolla, Theodore C. Larson, IIIa and Morris M. Sorianob

a Department of Radiology, Vanderbilt University Medical Center, Nashville, TN
b the Neurosurgical Offices, Rockford, IL



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  		FIG 1. Unenhanced CT scans of the head show a lack of normal visualization of the basal cisterns mimicking subarachnoid hemorrhage.



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  		FIG 2. Venous phase of lateral view angiogram of the left internal carotid artery shows prominent dilation of the small and medium sized veins.



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  		FIG 3. Contrast-enhanced and unenhanced MR images of the head.

A, Sagittal view T1-weighted image shows "sagging" of the brain with obliteration of the suprasellar cistern, deformity of the interpeduncular cistern and pons, and some descent of the cerebellar tonsils.

B and C, Coronal view contrast-enhanced T1-weighted images show diffuse "felt tip pen" thickening with enhancement.





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