Protoneus-sequence: extended fluid-attenuated inversion recovery MR imaging without and with contrast enhancement

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Christian Nasel1

  • 1Division of Neuroradiology, Department of Radiology, Medical University of Vienna, Währingergürtel 18-20, A-1090 Vienna, Austria. christian.nasel@perfusion.at

European Journal of Radiology
|July 23, 2005
PubMed

Insights

Fluid-attenuated inversion recovery (FLAIR) imaging enhances lesion detection. A new dual-echo sequence, proton echo usage (PROTONEUS), further improves sensitivity for detecting brain and meningeal diseases.

Area of Science:

  • Radiology
  • Medical Imaging
  • Neuroimaging

Background:

  • Fluid-attenuated inversion recovery (FLAIR) imaging is a crucial MRI sequence for detecting parenchymal and leptomeningeal diseases.
  • FLAIR imaging offers high lesion contrast and sensitivity, making it a primary screening tool in various diagnostic protocols.
  • Contrast-enhanced FLAIR imaging can further augment lesion detection sensitivity.

Purpose of the Study:

  • To introduce a novel dual-echo inversion recovery imaging sequence based on FLAIR.
  • To evaluate the potential of this new sequence, termed proton echo usage (PROTONEUS), to extend conventional FLAIR imaging capabilities.

Main Methods:

  • Development of a dual-echo inversion recovery sequence derived from FLAIR principles.
  • The sequence is named proton echo usage (PROTONEUS).

Main Results:

  • The PROTONEUS sequence was developed based on FLAIR imaging.
  • This novel sequence has the potential to significantly expand the diagnostic possibilities offered by conventional FLAIR imaging.

Conclusions:

  • The development of the PROTONEUS sequence represents an advancement in MRI techniques.
  • This new sequence may offer enhanced capabilities for lesion detection beyond conventional FLAIR imaging.

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