Clinical validation of ring‐mounted halcyon linac for lung SBRT: comparison to SBRT‐dedicated C‐arm linac treatments

D Pokhrel, J Visak, LC Critchfield… - Journal of applied …, 2021 - Wiley Online Library
Stereotactic body radiotherapy (SBRT) of lung tumors via the ring‐mounted Halcyon Linac, a
fast kilovoltage cone beam CT‐guided treatment with coplanar geometry, a single energy …

Prostate SBRT using O‐Ring Halcyon Linac—Plan quality, delivery efficiency, and accuracy

D Pokhrel, T Tackett, J Stephen, J Visak… - Journal of applied …, 2021 - Wiley Online Library
Cone beam CT‐guided prostate stereotactic body radiotherapy (SBRT) treatment on the
recently installed novel O‐ring coplanar geometry Halcyon Linac with a single energy 6MV …

SBRT treatment of abdominal and pelvic oligometastatic lymph nodes using ring‐mounted Halcyon Linac

D Pokhrel, A Webster, J Stephen… - Journal of applied …, 2021 - Wiley Online Library
Purpose/objectives This work seeks to evaluate the plan quality, treatment delivery
efficiency, and accuracy of single‐isocenter volumetric modulated arc therapy (VMAT) of …

Applications of optically stimulated luminescence in medical dosimetry

EG Yukihara, T Kron - Radiation Protection Dosimetry, 2020 - academic.oup.com
If the first decade of the new millennium saw the establishment of a more solid foundation for
the use of the Optically Stimulated Luminescence (OSL) in medical dosimetry, the second …

Treatment planning comparison of volumetric modulated arc therapy with the trilogy and the Halcyon for bilateral breast cancer

T Sun, X Lin, G Zhang, Q Qiu, C Li, Y Yin - Radiation Oncology, 2021 - Springer
Abstract Background The Halcyon is a new machine from the Varian company. The purpose
of this study was to evaluate the dosimetry of the Halcyon in treatment of bilateral breast …

Treatment Options for Early Stage Inoperable Breast Cancer: Cryoablation or Radiotherapy?

GWY Chua, L Li - Breast Care, 2024 - karger.com
Background: Surgical removal of the tumour is the gold standard treatment for early stage
invasive breast cancer. However, with a global ageing population, a larger number of …

A novel approach to predict acute radiation dermatitis in patients with head and neck cancer using a model based on Bayesian probability

K Hamada, T Fujibuchi, H Arakawa, Y Yokoyama… - Physica Medica, 2023 - Elsevier
Purpose In this study, we aimed to establish a method for predicting the probability of each
acute radiation dermatitis (ARD) grade during the head and neck Volumetric Modulated Arc …

Assessment of a conventional volumetric-modulated arc therapy knowledge-based planning model applied to the new Halcyon© O-ring linac in locoregional breast …

E Costa, T Richir, M Robilliard, C Bragard, C Logerot… - Physica Medica, 2021 - Elsevier
Introduction The aim of this study was to evaluate the performance of a knowledge-based
planning (KBP) model for breast cancer trained on plans performed on a conventional linac …

Investigation of skin dose of post-mastectomy radiation therapy for the halcyon and tomotherapy treatment machine: Comparison of calculation and in vivo …

H Demir, OV Gul, T Aksu - Radiation Measurements, 2024 - Elsevier
In treatments such as post-mastectomy radiation therapy (PMRT) for breast cancer patients,
skin doses are of great importance in terms of tumor control and side effects. This dosimetric …

Evaluation of dose accuracy in the near-surface region for whole breast irradiation techniques in a multi-institutional consortium

A Moncion, M Wilson, R Ma, R Marsh… - Practical Radiation …, 2022 - Elsevier
Purpose To assess the accuracy of dose calculations in the near-surface region for different
treatment planning systems (TPSs), treatment techniques, and energies to improve clinical …