Justin D. Gagneur
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View article: Dosimetric Advantage of Scanning Beam Proton Therapy in Gynecologic Patients Receiving Adjuvant Radiotherapy
Dosimetric Advantage of Scanning Beam Proton Therapy in Gynecologic Patients Receiving Adjuvant Radiotherapy Open
Background/Objectives: Adjuvant radiation for gynecologic malignancies often exposes organs at risk (OARs), such as the bone marrow, bowel, rectum, and bladder, to radiation, leading to toxicities that impact treatment tolerance and patien…
View article: Comprehensive clinical implementation, workflow, and FMEA of bespoke silicone bolus cast from 3D printed molds using open‐source resources
Comprehensive clinical implementation, workflow, and FMEA of bespoke silicone bolus cast from 3D printed molds using open‐source resources Open
Background Bolus materials have been used for decades in radiotherapy. Most frequently, these materials are utilized to bring dose closer to the skin surface to cover superficial targets optimally. While cavity filling, such as nasal cavit…
View article: Resolving signal drift in the wall‐mounted camera of the RGSC system
Resolving signal drift in the wall‐mounted camera of the RGSC system Open
Purpose To present a modified calibration method to reduce signal drift due to table sagging in Respiratory Gating for Scanner (RGSC) systems with a wall‐mounted camera. Materials and Methods Approximately 70 kg of solid water phantoms wer…
View article: Book review on leadership and self deception
Book review on leadership and self deception Open
Since the advent of the AAPM Medical Physics 3.0 Initiative, AAPM has been focused on how physicists can bring additional value to their respective organizations. This could be as simple as new approaches to QA procedures or as complex as …
View article: Stereotactic body radiotherapy: No longer a special procedure?
Stereotactic body radiotherapy: No longer a special procedure? Open
Centers for Medicare & Medicaid Services (CMS) proposed a reform from fee-for-service payment to a prospective, episode-based payment model for radiation oncology.1 Consensus between industry and radiation oncology providers is that the ra…
View article: Assessment of Polyethylene Glycol Hydrogel Spacer and Its Effect on Rectal Radiation Dose in Prostate Cancer Patients Receiving Proton Beam Radiation Therapy
Assessment of Polyethylene Glycol Hydrogel Spacer and Its Effect on Rectal Radiation Dose in Prostate Cancer Patients Receiving Proton Beam Radiation Therapy Open
Polyethylene glycol hydrogel placement before pencil proton beam radiation therapy for prostate cancer reduced rectal radiation dose. The most important factor reducing total rectal dose was the degree of sagittal midline separation create…
View article: Improvements in treatment planning calculations motivated by tightening <scp>IMRT QA</scp> tolerances
Improvements in treatment planning calculations motivated by tightening <span>IMRT QA</span> tolerances Open
Implementing tighter intensity modulated radiation therapy ( IMRT ) quality assurance ( QA ) tolerances initially resulted in high numbers of marginal or failing QA results and motivated a number of improvements to our calculational proces…