Fluid-attenuated inversion-recovery MR imaging in assessment of intracranial oligodendrogliomas

Matthew L. White, Yan Zhang, Wendy R.K. Smoker, Patricia A. Kirby, Minako Hayakawa, William J. Sickels, Timothy C. Ryken, Kevin Berbaum

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

This retrospective study consisted of 17 consecutive patients with oligodendrogliomas. We qualitatively and quantitatively assessed the diagnostic value of fluid-attenuated inversion-recovery (FLAIR) images compared with T2-weighted fast spin-echo (FSE) images for evaluating intracranial oligodendrogliomas. Qualitative evaluations of signal intensity, tumor conspicuity, definition of tumor margin, distinction between solid and cystic-like parts within tumor, and calcification were performed. Quantitative criteria comparing FLAIR to T2-weighted FSE images included tumor-to-background contrast and contrast-to-noise ratio (CNR) and tumor-to-cerebrospinal fluid (CSF) contrast and CNR. Our results demonstrate that the FLAIR sequence can replace the T2-weighted FSE sequence for evaluating oligodendrogliomas.

Original languageEnglish (US)
Pages (from-to)279-285
Number of pages7
JournalComputerized Medical Imaging and Graphics
Volume29
Issue number4
DOIs
StatePublished - Jun 2005

Keywords

  • Brain neoplasms
  • FLAIR sequence
  • Magnetic resonance (MR)
  • Oligodendroglioma
  • T2-weighted sequence

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Computer Vision and Pattern Recognition
  • Health Informatics
  • Computer Graphics and Computer-Aided Design

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