Results 71 to 80 of about 4,015,406 (386)

Clinical commissioning of an adaptive radiotherapy platform: Results and recommendations

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Online adaptive radiotherapy platforms present a unique challenge for commissioning as guidance is lacking and specialized adaptive equipment, such as deformable phantoms, are rare. We designed a novel adaptive commissioning process consisting of end‐to‐end tests using standard clinical resources.
Kelly Kisling, Timothy D. Keiper, Daniela Branco, Grace Gwe‐Ya Kim, Kevin L Moore, Xenia Ray   +5 more
wiley   +1 more source

NRG Oncology Survey on Practice and Technology Use in SRT and SBRT Delivery

Frontiers in Oncology, 2020
PurposeTo assess stereotactic radiotherapy (SRT)/stereotactic body radiotherapy (SBRT) practices by polling clinics participating in multi-institutional clinical trials.MethodsThe NRG Oncology Medical Physics Subcommittee distributed a survey consisting ...
Mikhail Chetvertkov, James Ira Monroe, Jaskaran Boparai, Timothy D. Solberg, Deanna H. Pafundi, Russell L. Ruo, David J. Gladstone, Fang-Fang Yin, Indrin J. Chetty, Stanley Benedict, David S. Followill, Ying Xiao, Jason W. Sohn   +12 more
doaj   +1 more source

Reinforcement Learning in Medical Image Analysis: Concepts, Applications, Challenges, and Future Directions [PDF]

arXiv, 2022
Motivation: Medical image analysis involves tasks to assist physicians in qualitative and quantitative analysis of lesions or anatomical structures, significantly improving the accuracy and reliability of diagnosis and prognosis. Traditionally, these tasks are finished by physicians or medical physicists and lead to two major problems: (i) low ...
arxiv  

Application value of contrast‐enhanced ultrasound in preoperative localization of microwave ablation for primary hyperparathyroidism

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Background Ultrasonography (US) and 99mTechnetium‐sestamibi scintigraphy (99mTc‐MIBI) are currently first‐line imaging modalities to localize parathyroid adenomas with sensitivities of 80% and 84%, respectively. Therefore, finding other modalities to further improve the diagnostic accuracy for preoperative localization is critically needed ...
Fangyi Liu, Li Zang, Yunlin Li, Zhiwei Guan, Yang Liu, Xiaoling Yu, Zhiyu Han, Ping Liang   +7 more
wiley   +1 more source

Statistical process control to monitor use of a web‐based autoplanning tool

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Purpose To investigate the use of statistical process control (SPC) for quality assurance of an integrated web‐based autoplanning tool, Radiation Planning Assistant (RPA). Methods Automatically generated plans were downloaded and imported into two treatment planning systems (TPSs), RayStation and Eclipse, in which they were recalculated using ...
Hunter Mehrens, Raphael Douglas, Mary Gronberg, Kelly Nealon, Joy Zhang, Laurence Court   +5 more
wiley   +1 more source

Assessment of the added value of the Twente Photoacoustic Mammoscope in breast cancer diagnosis\ud [PDF]

, 2011
Purpose: Photoacoustic (PA) imaging is a recently developed breast cancer imaging technique. In order to enhance successful clinical implementation, we quantified the potential clinical value of different scenarios incorporating PA imaging by means of ...
Hilgerink, Marjolein P., Hummel, J.M., IJzerman, Maarten J., Manohar, Srirang, Vaartjes, Simon R.   +4 more
core   +2 more sources

Treatment planning with a 2.5 MV photon beam for radiation therapy

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Purpose The shallow depth of maximum dose and higher dose fall‐off gradient of a 2.5 MV beam along the central axis that is available for imaging on linear accelerators is investigated for treatment of shallow tumors and sparing the organs at risk (OARs) beyond it.
Navid Khaledi, Chris Hayes, Louise Belshaw, Mark Grattan, Rao Khan, James L. Gräfe   +5 more
wiley   +1 more source

Aging changes complexity of heart rate dynamics assessed by entropy and Lyapunov exponent analysis

Geriatric Care, 2019
In recent years, many research groups are trying to quantify the physiological signals of an individual, proposing new models to assess the complex dynamics of biological control systems. Indeed, life coincides with the good handling of the structures in
Roberto Siciliano, Giuseppe Agapito, Sarah Siciliano, Filippo Luca Fimognari   +3 more
doaj   +1 more source

PROSTITUCIJA U LJUBLJANI U 1888. GODINI KRATKO PRIOPĆENJE (IZ MEDICINSKE PROŠLOSTI) [PDF]

, 2023
This short review presents the state of prostitution in public health medical historiography of the then Laibach in the year 1888. All prostitutes were registered in the Evidenz Protocol and Ljubljana city physicist performed regular examinations of ...
HABEK, DUBRAVKO, HABEK, ROKO, TAKAĆ, IZTOK   +2 more
core   +1 more source

Impact of flexible noise control (FNC) image processing parameters on portable chest radiography

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract There is a lack of understanding in the performance of flexible noise control (FNC) processing, which is used in digital radiography on a scanner vendor and has four parameters each involving multiple options. The aim of this study was to investigate the impact of FNC on portable chest imaging. An anthropomorphic chest phantom was imaged using
Krystal M. Kirby, Liqiang Ren, Timothy R. Daly, Yasmeen K. Tandon, Brian J. Bartholmai, Beth A. Schueler, Zaiyang Long   +6 more
wiley   +1 more source