?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Proof+of+principle+detector+for+fast+patient+quality+assurance&rft.creator=Price%2C+Tony&rft.creator=Allport%2C+Phil&rft.creator=Green%2C+Stuart&rft.creator=Shaikh%2C+Saad&rft.creator=Radogna%2C+Raffaella&rft.creator=Walker%2C+Daniel&rft.creator=Kelleter%2C+Laurent&rft.creator=Basharina-Freshville%2C+Anastasia&rft.creator=Saakyan%2C+Ruben&rft.creator=Jolly%2C+Simon&rft.description=Standard+clinical+practice+in+particle+therapy+is+to+verify+the+treatment+plan+for+each+patient+before+the+plan+is+delivered.+This+patient+specific+QA+process+normally+involves+repeated+delivery+of+the+treatment+plan+to+a+water+or+water+equivalent+volume%2C+with+changes+to+the+position+of+a+dosimeter+or+dosimetric+array+in+order+to+measure+the+volumetric+dose+distribution.+Due+to+the+repeated+delivery+of+each+field%2C+patient+QA+can+be+extremely+time+consuming.+An+ideal+patient+QA+system+would+allow+measurements+at+the+speed+of+treatment+delivery+ie.+within+a+few+minutes.%0D%0A%0D%0AWe+present+measurements+with+a+simple+proof-of-concept+system+for+fast+patient+QA.+The+system+is+essentially+a+stripped-down+proton+CT+detector%2C+utilising+a+single+tracking+detector+developed+for+the+PRaVDA+proton+CT+detector+coupled+to+a+single+scintillating+calorimeter+module+adapted+from+the+SuperNEMO+high+energy+physics+experiment.+The+calorimeter+consists+of+a+plastic+scintillator%2C+providing+the+water-equivalent+medium+into+which+the+beam+is+delivered.+By+measuring+the+position+of+each+particle+as+it+enters+the+calorimeter+it+is+possible+to+reconstruct+the+dose+deposition+of+individual+particles+and+thereby+reconstruct+the+3D+volumetric+dose+deposition.%0D%0A%0D%0AResults+are+presented+from+experiments+with+protons+at+the+Birmingham+University+36MeV+cyclotron+showing+volumetric+dose+reconstruction+at+proton+rates+well+below+clinical+fluences.+A+method+for+scaling+this+system+up+to+a+full+clinical+patient+QA+system+is+also+described.&rft.date=2019-06-12&rft.type=Poster&rft.language=eng&rft.source=+++Presented+at%3A+58th+Annual+Conference+of+the+Particle+Therapy+Co-operative+Group+%7BPTCOG58)%2C+Manchester%2C+UK.+(2019)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10192887%2F1%2FPTCOG58%2520Poster.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10192887%2F&rft.rights=open