Contrast-enhanced MR angiography at 3T in the evaluation of intracranial aneurysms: a comparison with time-of-flight MR angiography

AJNR Am J Neuroradiol. 2006 Nov-Dec;27(10):2118-21.

Abstract

The combination of 3T and parallel-acquisition techniques holds promise for improved performance of contrast-enhanced MR angiography (MRA), in terms of speed, spatial resolution, and coverage. We present a comparison of 2 MRA techniques, including time-of-flight (TOF) and contrast-enhanced MRA, for detection and evaluation of intracranial aneurysms. Our results show that contrast-enhanced MRA with highly accelerated parallel acquisition at 3T does not have the known drawbacks of TOF-MRA techniques, including prolonged acquisition time, spin saturation, and flow-related artifacts, with comparable aneurysm characterization.

Publication types

  • Comparative Study

MeSH terms

  • Aged
  • Aged, 80 and over
  • Contrast Media*
  • Female
  • Humans
  • Intracranial Aneurysm / diagnosis*
  • Magnetic Resonance Angiography / methods*
  • Male
  • Middle Aged

Substances

  • Contrast Media