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AJNR - American Journal of Neuroradiology

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Pericallosal Artery Ectasia with Associated Stenosis

Will Beringer^a and Joseph Alenghat^b

^a Departments of Neurosurgery, Bromenn Regional Medical Center, Normal, IL
^b Department of Neuroradiology, Bromenn Regional Medical Center, Normal, IL

View larger version (156K): [in a new window]   FIG 1. CT scan without contrast enhancement shows calcified interhemispheric lesion.

View larger version (156K): [in a new window]   FIG 2. Postcontrast CT scan shows enhancing interhemispheric lesion.

View larger version (156K): [in a new window]   FIG 3. Axial T2-weighted MR image shows interhemispheric flow voids.

View larger version (156K): [in a new window]   FIG 4. Left lateral carotid angiogram. Arrow indicates region of stenosis and pericallosal ectasia.