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 language | English |
|---|---|
| Pages (from-to) | 314-318 |
| Number of pages | 5 |
| Journal | Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment |
| Volume | 569 |
| Issue number | 2 SPEC. ISS. |
| DOIs | |
| State | Published - 20 12 2006 |
| Externally published | Yes |
Keywords
- Fusion
- Micro-CT
- Micro-PET
- Micro-PET/CT
- Small animal imaging
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