Results 111 to 120 of about 101,012 (310)

A graphical user interface for Monte Carlo dose calculations for brachytherapy with egs_brachy

Medical Physics, EarlyView.
Abstract Background Recent advancements in brachytherapy necessitate precise dose calculations, transitioning from the traditional TG43 planning methods to the more sophisticated TG186 recommendations. However, the availability of accessible and efficient Monte Carlo (MC) codes capable of interfacing with clinical data for these advanced calculations ...
Narjes Moghadam, Fatemeh Akbari, Shannon Jarvis, Martin Martinov, Michael Thibodeau, Claire Zhang, Joanna E. Cygler, Rowan M. Thomson   +7 more
wiley   +1 more source

A new radiobiology-based HDR brachytherapy treatment planning algorithm used to investigate the potential for hypofractionation in cervical cancer [PDF]

arXiv, 2017
Most commercially available treatment planning systems for brachytherapy operate based on physical dose and do not incorporate fractionation or tissue-specific response. The purpose of this study is to investigate the potential for hypofractionation in HDR brachytherapy, thereby reducing the number of implants required.
arxiv  

Heterogeneity of monosomy 3 in fine needle aspiration biopsy of choroidal melanoma. [PDF]

, 2013
PurposeTo report on the heterogeneity of monosomy 3 in a fine needle aspiration biopsy obtained transsclerally from choroidal melanoma for prognosis.MethodsAll clinical records for patients who had been diagnosed with choroidal melanoma and underwent ...
Burgess, Barry L, Chang, Melinda Y, Johnson, Lariza, McCannel, Tara A, Rao, Nagesh P   +4 more
core   +2 more sources

Dosimetric impact of positional uncertainties and a robust optimization approach for rectal intensity‐modulated brachytherapy

Medical Physics, EarlyView.
Abstract Background Intensity‐modulated brachytherapy (IMBT) employs rotating high‐Z shields during treatment to decrease radiation in certain directions and conform the dose distribution to the target volume. Prototypes for dynamic IMBT have been proposed for prostate, cervical, and rectal cancer.
Björn Morén, Alana Thibodeau‐Antonacci, Jonathan Kalinowski, Shirin A. Enger   +3 more
wiley   +1 more source

- In Vivo Dosimetry in Brachytherapy [PDF]

, 2012
As discussed in the following sections, in vivo dosimetry has been utilized for dierent purposes during the radiation therapy of cancer patients. Initially, this technique was used to verify dose to the organs adjacent to the implanted volume. However, verications of the accuracy of the treatment delivery for complex treatment techniques have been ...
Cygler, Joanna E, Tanderup, Kari, Beddar, Sam, Pérez-Calatayud, José   +3 more
openaire   +2 more sources

Geometrically focused training and evaluation of organs‐at‐risk segmentation via deep learning

Medical Physics, EarlyView.
Abstract Background Deep learning methods are promising in automating segmentation of organs at risk (OARs) in radiotherapy. However, the lack of a geometric indicator for dosimetry accuracy remains to be a problem. This issue is particularly pronounced in specific radiotherapy treatments where only the proximity of structures to the radiotherapy ...
Ruiyan Ni, Elizabeth Chuk, Kathy Han, Jennifer Croke, Anthony Fyles, Jelena Lukovic, Michael Milosevic, Benjamin Haibe‐Kains, Alexandra Rink   +8 more
wiley   +1 more source

Focal Spot, Fall/Winter 1990 [PDF]

, 1990
https://digitalcommons.wustl.edu/focal_spot_archives/1056/thumbnail ...

core   +1 more source

Activated immune infiltrates expand opportunities for targeted therapy in p53‐abnormal endometrial carcinoma

The Journal of Pathology, EarlyView.
Abstract Tumor protein p53 mutated/abnormal (p53abn) endometrial carcinomas account for over 50% of deaths but comprise only 15% of all endometrial carcinomas. Most patients show limited response to standard‐of‐care chemotherapy with or without radiotherapy, and only a minority of cases are amenable to targeted therapies like poly‐ADP ribose polymerase
Spencer D Martin, Shelby Thornton, Christine Chow, Katy Milne, Juliana Sobral de Barros, Kayleigh A Morris, Samuel Leung, Amy Jamieson, Brad H Nelson, Dawn R Cochrane, David G Huntsman, C Blake Gilks, Lien Hoang, Jessica N McAlpine, Allen W Zhang   +14 more
wiley   +1 more source

Application of high‐dose‐rate endorectal brachytherapy in the treatment of locally advanced rectal cancer

Precision Radiation Oncology, EarlyView.
This image compares the studies included in this article with the meta‐analysis from the Cochrane Library, indicating that the incorporation of brachytherapy in neoadjuvant treatment for rectal cancer can achieve better pathological response rates. Additionally, the use of brachytherapy can reduce the local recurrence rate in patients.
Tianyao Wang, Yifan Tao, Guanghui Gan, Long Chen, Yuan Xu, Fei Sun, Xiaoting Xu   +6 more
wiley   +1 more source

Perioperative high dose rate (HDR) brachytherapy in unresectable locally advanced pancreatic tumors

Journal of Contemporary Brachytherapy, 2011
Purpose: The aim of the study was to present an original technique of catheter implantation for perioperative HDR-Ir192 brachytherapy in patients after palliative operations of unresectable locally advanced pancreatic tumors and to estimate the influence
Brygida Białas, Jerzy Arendt, Wojciech Mikusek, Marek Rudzki, Jerzy Piecuch, Dariusz Waniczek   +5 more
doaj