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First Clinical Experiences with the Ultra-Fast Time-of-Flight BIOGRAPH One Next-Generation Hybrid PET/MRI System.

Otto M Henriksen1, Kirsten Korsholm1, Annika Loft1

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Summary
This summary is machine-generated.

The BIOGRAPH One PET/MRI system shows improved performance for body and brain imaging, offering better image quality and workflow potential than earlier models. This next-generation scanner enhances diagnostic accuracy and may expand clinical applications.

Keywords:
PET/CTPET/MRIhybrid imaging

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Area of Science:

  • Medical Imaging
  • Nuclear Medicine
  • Radiology

Background:

  • The BIOGRAPH One represents a next-generation PET/MRI system.
  • Evaluating its clinical performance is crucial for advancing diagnostic capabilities.

Purpose of the Study:

  • To assess the clinical performance of the BIOGRAPH One PET/MRI system for body and brain imaging.
  • To compare its PET image quality, quantification, and noise characteristics against established PET/CT and first-generation PET/MRI systems.

Main Methods:

  • 59 patients underwent scanning on the BIOGRAPH One PET/MRI using various tracers ([18F]FDG, [18F]FE-PE2I, [18F]FET, [68Ga]Ga-DOTATOC).
  • PET image quality was visually assessed and compared to reference scans (PET/CT, first-gen PET/MRI).
  • Diagnostic concordance, quantification, and image noise were evaluated.

Main Results:

  • 93% of scans received "good" or "very good" image quality ratings.
  • Image quality was rated equal to or better than reference scans in 99% of cases.
  • Diagnostic concordance reached 99%, with comparable image noise to digital PET/CT and superiority over first-generation PET/MRI.

Conclusions:

  • The BIOGRAPH One PET/MRI demonstrates enhanced PET sensitivity and workflow efficiency compared to its predecessor.
  • The system shows potential for broader clinical adoption and expanded research applications in medical imaging.