AJDRAJNR - American Journal of Neuroradiology

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Fig 5. Aneurysm of the left infraclinoidal ICA, left-superior view.

A, On standard CT angiography the aneurysm is hardly visible (arrow) due to obscuration by the anterior clinoid process.

B, Bone-subtraction CT angiography (BSCTA) clearly shows the complete shape of the aneurysm (arrow).





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