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Four-dimensional (4D) PET/CT imaging of the thorax
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10.1118/1.1809778
/content/aapm/journal/medphys/31/12/10.1118/1.1809778
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/31/12/10.1118/1.1809778
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Patient setup during 4D PET/Ct acquisition. The figure also shows the RPM infrared camera (top right corner) used to track the infrared reflectors placed on the diaphragm of the patient.

Image of FIG. 2.
FIG. 2.

Distance between PET and CT lesions in both clinical and 4D setup.

Image of FIG. 3.
FIG. 3.

Percent difference in the lesion volumes, between clinical and 4D PET/CT acquisitions, measured in both CT and PET modalities (a). A negative (positive) percent difference refers to a reduction (increase) in the tumor volume. 4D-PET lesions volumes and are compared in (b).

Image of FIG. 4.
FIG. 4.

Percent difference in between 4D PET/CT and clinical setup based measurements (a). Percent difference in between 4D PET/CT and 4D-PET w/clinical-CTAC based measurements (b). The maximum within all 4D-PET bins, which were corrected for attenuation using 4D-CT images at matching breathing phase, was considered in this comparison.

Image of FIG. 5.
FIG. 5.

Transaxial, fused PET/CT slice, through patient #4 lesion as it appears in the nongated acquisition (a), and measured in the 4D PET/CT study (b).

Image of FIG. 6.
FIG. 6.

Comparison of maximum respiratory motion amplitudes, for each patient, in both 4D-PET and 4D-CT.

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/content/aapm/journal/medphys/31/12/10.1118/1.1809778
2004-11-08
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Four-dimensional (4D) PET/CT imaging of the thorax
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/31/12/10.1118/1.1809778
10.1118/1.1809778
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