publication . Article . 2019

Deformable abdominal phantom for the validation of real-time image guidance and deformable dose accumulation.

Matrosic, Charles K.; Hull, Jennifer; Palmer, Benjamin; Culberson, Wesley; Bednarz, Bryan;
Open Access
  • Published: 01 Jul 2019 Journal: Journal of Applied Clinical Medical Physics, volume 20, pages 122-133 (issn: 1526-9914, eissn: 1526-9914, Copyright policy)
  • Publisher: Wiley
Abstract
Abstract Purpose End‐to‐end testing with quality assurance (QA) phantoms for deformable dose accumulation and real‐time image‐guided radiotherapy (IGRT) has recently been recommended by American Association of Physicists in Medicine (AAPM) Task Groups 132 and 76. The goal of this work was to develop a deformable abdominal phantom containing a deformable three‐dimensional dosimeter that could provide robust testing of these systems. Methods The deformable abdominal phantom was fabricated from polyvinyl chloride plastisol and phantom motion was simulated with a programmable motion stage and plunger. A deformable normoxic polyacrylamide gel (nPAG) dosimeter was inc...
Subjects
free text keywords: Instrumentation, Radiation, Radiology Nuclear Medicine and imaging, Imaging phantom, Biomedical engineering, Motion management, Medical physics, medicine.medical_specialty, medicine, business.industry, business, Radiation Oncology Physics, Deformable dose accumulation, phantoms, three‐dimensional dosimetry
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