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<p class="MsoNormal">Hi Gate users<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am using fasty90 for SPECT scanning. I am having some unusual errors. I can run a cylindrical source and phantom with the circular end facing the camera with Tc99m and output an interfile with a circular output as expected. When I
change the isotope to fastY90 my image changes and I am getting an image of a line, I have tried to rotate the phantom (and source) and get two lines instead. Is there anyone out there working with fasty90 that can shed any light?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">My source code looks like:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New""># D E F I N E T H E S O U R C E<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New"">#####<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New"">/gate/source/addSource SourceConfinement fastY90<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New"">/gate/source/SourceConfinement/gps/type Volume<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New"">/gate/source/SourceConfinement/gps/shape Cylinder<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New"">/gate/source/SourceConfinement/gps/radius 7.25 cm<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New"">/gate/source/SourceConfinement/gps/halfz 2.0 cm<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New"">#translation from world centre not camera face<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New"">/gate/source/SourceConfinement/gps/centre 0. 0. 0. cm<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New"">/gate/source/SourceConfinement/attachTo Phantom<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New"">/gate/source/SourceConfinement/setActivity 60.0 MBq<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New"">/gate/source/SourceConfinement/gps/angtype iso<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">/gate/source/list</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Any help gratefully appreciated.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Allison<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span style="font-family:"Georgia","serif";color:#00A0CD;mso-fareast-language:EN-GB">Allison Craig</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-family:"Georgia","serif";color:#1F497D;mso-fareast-language:EN-GB">Principal Radioisotope Physicist<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-family:"Georgia","serif";color:#1F497D;mso-fareast-language:EN-GB">Joint Department of Physics<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Georgia","serif";color:#1F497D;mso-fareast-language:EN-GB">The Royal Marsden NHSFT</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Georgia","serif";color:#1F497D;mso-fareast-language:EN-GB">Sutton: 0208 642 6011 ext 4141 or (direct line) 0208 661 3715<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Georgia","serif";color:#1F497D;mso-fareast-language:EN-GB"><a href="mailto:allison.craig@icr.ac.uk"><span style="color:blue">allison.craig@icr.ac.uk</span></a></span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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