Chang et al , Cancer 2009
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Chang et al, Cancer 2009 GTV = gross tumor on 1.25 mm biphasic CT scans GTV = gross tumor on 1.25 mm biphasic CT scans ITV = GTV plus deformation on 4D CT (matched by fiducials ITV = GTV plus deformation on 4D CT (matched by fiducials to biphasic CT) to biphasic CT) PTV = ITV + 3 mm PTV = ITV + 3 mm Rx - 25 Gy to maximum IDL that Rx - 25 Gy to maximum IDL that covered PTV (~75 - 80%) covered PTV (~75 - 80%) > >
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GTV = gross tumor on 1.25 mm biphasic CT scans ITV = GTV plus deformation on 4D CT (matched by fiducials to biphasic CT) PTV = ITV + 3 mm. Rx - 25 Gy to maximum IDL that covered PTV (~75 - 80%). >. >. Chang et al , Cancer 2009. - PowerPoint PPT Presentation
Transcript of Chang et al , Cancer 2009
Chang et al, Cancer 2009
GTV = gross tumor on 1.25 mm biphasic CT scansGTV = gross tumor on 1.25 mm biphasic CT scans ITV = GTV plus deformation on 4D CT (matched by fiducials to biphasic CT)ITV = GTV plus deformation on 4D CT (matched by fiducials to biphasic CT) PTV = ITV + 3 mmPTV = ITV + 3 mm
Rx - 25 Gy to maximum IDL that covered PTV Rx - 25 Gy to maximum IDL that covered PTV (~75 - 80%)(~75 - 80%)
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