Motion Correction in PET/CT Images / 핵의학분자영상
Nuclear Medicine and Molecular Imaging
;
: 172-180, 2008.
Article
in Korean
| WPRIM
| ID: wpr-75856
ABSTRACT
PET/CT fused image with anatomical and functional information have improved medical diagnosis and interpretation. This fusion has resulted in more precise localization and characterization of sites of radio-tracer uptake. However, a motion during whole-body imaging has been recognized as a source of image quality degradation and reduced the quantitative accuracy of PET/CT study. The respiratory motion problem is more challenging in combined PET/CT imaging. In combined PET/CT, CT is used to localize tumors and to correct for attenuation in the PET images. An accurate spatial registration of PET and CT image sets is a prerequisite for accurate diagnosis and SUV measurement. Correcting for the spatial mismatch caused by motion represents a particular challenge for the requisite registration accuracy as a result of differences in PET/CT image. This paper provides a brief summary of the materials and methods involved in multiple investigations of the correction for respiratory motion in PET/CT imaging, with the goal of improving image quality and quantitative accuracy.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Positron Emission Tomography Computed Tomography
Language:
Korean
Journal:
Nuclear Medicine and Molecular Imaging
Year:
2008
Type:
Article
Similar
MEDLINE
...
LILACS
LIS