AJDRAJNR - American Journal of Neuroradiology

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Figure 5


Fig 5. Measurement of the aqueducts: positioning of the measurement bars at the 2 described levels (midportion of the postisthmic segment and external aperture) in (A) and in axial (B, C) reformats.





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