Journal Highlight: PET/MRI: Where might it replace PET/CT?

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  • Published: Nov 20, 2017
  • Author: spectroscopyNOW
  • Channels: MRI Spectroscopy
thumbnail image: Journal Highlight: PET/MRI: Where might it replace PET/CT?

The combined techniques of PET/MRI and PET/CT have been compared, detailing the applications for which PET/MRI has shown promise and discussing impediments to its future adoption.

PET/MRI: Where might it replace PET/CT?

Journal of Magnetic Resonance Imaging, 2017, 46, 1247-1262
Eric C. Ehman, Geoffrey B. Johnson, Javier E. Villanueva-Meyer, Soonmee Cha, Andrew Palmera Leynes, Peder Eric Zufall Larson and Thomas A. Hope

Abstract: Simultaneous positron emission tomography and MRI (PET/MRI) is a technology that combines the anatomic and quantitative strengths of MR imaging with physiologic information obtained from PET. PET and computed tomography (PET/CT) performed in a single scanning session is an established technology already in widespread and accepted use worldwide. Given the higher cost and complexity of operating and interpreting the studies obtained on a PET/MRI system, there has been question as to which patients would benefit most from imaging with PET/MRI versus PET/CT. In this article, we compare PET/MRI with PET/CT, detail the applications for which PET/MRI has shown promise and discuss impediments to future adoption. It is our hope that future work will prove the benefit of PET/MRI to specific groups of patients, initially those in which PET/CT and MRI are already performed, leveraging simultaneity and allowing for greater degrees of multiparametric evaluation.

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