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Total Body PET/CT: Future Aspects.

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Long axial field of view (LAFOV) PET scanners offer whole-body imaging, but total-body PET (TB-PET) scanners provide even greater coverage. This review examines LAFOV technology

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Area of Science:

  • Medical Imaging
  • Nuclear Medicine
  • Radiological Technology

Background:

  • Total-body (TB) positron emission tomography (PET) scanners are classified by axial field of view (FOV).
  • Long axial field of view (LAFOV) PET scanners (approx. 100 cm FOV) capture major organs but may miss distal extremities.
  • TB-PET scanners (≥180 cm FOV) offer more comprehensive body coverage.

Purpose of the Study:

  • To review the advancements and future potential of LAFOV PET technology.
  • To explore clinical applications, radiation oncology implications, data management challenges, and future technological expectations for LAFOV PET.

Main Methods:

  • Review of recent literature and experiences with LAFOV PET scanners.
  • Analysis of technological developments, including the uEXPLORER and Panorama GS scanners.
  • Discussion of clinical adoption, challenges, and future outlook.

Main Results:

  • LAFOV PET technology has advanced significantly, with over 50 scanners globally.
  • Enhanced capabilities include improved image quality, reduced scan times, and dynamic imaging.
  • Despite initial slow adoption due to cost and the pandemic, LAFOV PET is gaining traction.

Conclusions:

  • LAFOV PET technology is evolving, offering expanded imaging capabilities beyond traditional PET scans.
  • Future developments are expected to broaden clinical applications and address current challenges.
  • The review highlights the growing importance and potential of LAFOV PET in medical imaging.