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Can I read CT‐less electron radiotherapy simulation and planning with a consumer 3D camera on EtoBox?

CT‐less electron radiotherapy simulation and planning with a consumer 3D camera by Skinner, Lawrie (author);Knopp, Rick (author);Wang, Yi‐Chun (author);Dubrowski, Piotr (author);Bush, Karl K. (author);Limmer, Alyssa (author);Trakul, Nicholas (author);Million, Lynn (author);Marquez, Carol M. (author);Yu, Amy S. (author) is a Medicine article available to read on EtoBox.

What is CT‐less electron radiotherapy simulation and planning with a consumer 3D camera about?

## Abstract ## Purpose Electron radiation therapy dose distributions are affected by irregular body surface contours. This study investigates the feasibility of three‐dimensional (3D) cameras to substitute for the treatment planning computerized tomography (CT) scan by capturing the body surfaces to be treated for accurate electron beam dosimetry. ## Methods Dosimetry was compared for six electron beam treatments to the nose, toe, eye, and scalp using full CT scan, CT scan with Hounsfield Unit (HU) overridden to water (mimic 3D camera cases), and flat‐phantom techniques. Radiation dose was prescribed to a depth on the central axis per physician’s order, and the monitor units (MUs) were calculated. The 3D camera spatial accuracy was evaluated by comparing the 3D surface of a head phantom captured by a 3D camera and that generated with the CT scan in the treatment planning system. A clinical case is presented, and MUs were calculated using the 3D camera body contour with HU overridden to water. ## Results Across six cases the average change in MUs between the full CT and the 3Dwater (CT scan with HU overridden to water) calculations was 1.3% with a standard deviation of 1.0%. The cor

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Author
Skinner, Lawrie (author);Knopp, Rick (author);Wang, Yi‐Chun (author);Dubrowski, Piotr (author);Bush, Karl K. (author);Limmer, Alyssa (author);Trakul, Nicholas (author);Million, Lynn (author);Marquez, Carol M. (author);Yu, Amy S. (author)
Publisher
Wiley
Published
2021
Language
EN
Field
Medicine (Health Sciences)

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