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Background and purpose: Adaptive radiotherapy (ART) decision-making benefits from dosimetric information to supplement image inspection when assessing the significance of anatomical changes. This study evaluated a dosimetry-based clinical decision workflow for ART utilizing deformable registration of the original planning computed tomography (CT) image to the daily Cone Beam CT (CBCT) to replace the need for a replan CT for dose estimation. Materials and methods: We used 12 retrospective Head & Neck patient cases having a ground truth – a replan CT (rCT) in response to anatomical changes apparent in the daily CBCT – to evaluate the accuracy of dosimetric assessment conducted on synthetic CTs (sCT) generated by deforming the original planning CT Hounsfield Units to the daily CBCT anatomy. The original plan was applied to the sCT and dosimetric accuracy of the sCT was assessed by analyzing plan objectives for targets and organs-at-risk compared to calculations on the ground-truth
BriaCell Therapeutics Corp. (CVE:BCT – Get Free Report)’s stock price fell 3.8% on Friday . The stock traded as low as C$10.60 and last traded at C$10.60. 3,402 shares changed hands during mid-day trading, a decline of 73% from the average session volume of 12,671 shares. The stock had previously closed at C$11.02. BriaCell Therapeutics […]
Bank Consortium Trust Company (BCT) has partnered with advertising agency Secret Tour Hong Kong and media agency IDM to launch a branding campaign in Hong Kong, aiming to redefine the societal perception of retirement.