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A combined micro-PET/CT scanner for small animal imaging

  • Meei Ling Jan*
  • , Yu Ching Ni
  • , Kuo Wei Chen
  • , Hsing Ching Liang
  • , Keh Shih Chuang
  • , Ying Kai Fu
  • *Corresponding author for this work
  • Institute of Nuclear Energy Research Taiwan
  • National Tsing Hua University

Research output: Contribution to journalJournal Article peer-review

19 Scopus citations

Abstract

A micro-PET/CT system was developed by combination of an in-house micro-CT and a microPET® R4 scanner. The cone-beam micro-CT consists of a rotational gantry that fits an X-ray tube, a CCD-based X-ray detector, and motor-driven linear stages. The gantry was designed to be coaxial with the scanner of microPET® R4. It can be moved for the convenience of mounting the Ge-68 point-source holder for PET's calibration. The image volumes obtained from two modalities is registered by a pre-determined, inherent spatial transformation function. This hardware-approach fusion, which provides accurate and no labor-intensive alignment, is suitable for mass scanning. The micro-PET/CT system has been operated successfully. Merging the anatomical and functional images benefit studies of the small animal imaging.

Original languageEnglish
Pages (from-to)314-318
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume569
Issue number2 SPEC. ISS.
DOIs
StatePublished - 20 12 2006
Externally publishedYes

Keywords

  • Fusion
  • Micro-CT
  • Micro-PET
  • Micro-PET/CT
  • Small animal imaging

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