AJDRAJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 2008;29:1140.

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American Journal of Neuroradiology
DOI 10.3174/ajnr.A0993

BRAIN

Inclusion or Exclusion of Intratumoral Vessels in Relative Cerebral Blood Volume Characterization in Low-Grade Gliomas: Does It Make a Difference?

G. Brasil Caseiras, J.S. Thornton, T. Yousry, C. Benton, J. Rees, A.D. Waldman and H. Rolf Jäger

From the Lysholm Department of Neuroradiology (G.B.C., J.S.T., T.Y., H.R.J.), Institute of Neurology (G.B.C., T.Y., C.B., J.R., H.R.J.), University College London, London, United Kingdom; and Department of Imaging (A.D.W.), Charing Cross Hospital, London, United Kingdom.

Please address correspondence to Gisele Brasil Caseiras, Queen Square, Box 65, London, United Kingdom WC1N 3BG; e-mail: g.brasil{at}ion.ucl.ac.uk

SUMMARY: We assessed the influence of inclusion (method 1) and exclusion (method 2) of intratumoral vessels when determining maximum relative cerebral blood volume (rCBVmax) in 3 types of low-grade gliomas (LGGs): astrocytomas, oligoastrocytomas, and oligodendrogliomas. Method 1 yielded significantly higher mean rCBVmax than method 2. However, only method 2 demonstrated a significant (P = .026) association between rCBVmax and membership of a differently ranked histologic category. Exclusion of intratumoral vessels appears, therefore, preferable when determining rCBVmax in LGGs.




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[Abstract] [Full Text] [PDF]


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