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FIG 4. 3D TOF MR angiograms.
A, Angiogram of the circle of Willis with the complete anterior configuration shows the AcoA (arrow).
B, Angiogram of the circle of Willis with the complete posterior configuration shows the right and left PcoAs (arrows)
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FIG 4. 3D TOF MR angiograms.
A, Angiogram of the circle of Willis with the complete anterior configuration shows the AcoA (arrow).
B, Angiogram of the circle of Willis with the complete posterior configuration shows the right and left PcoAs (arrows)
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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X