Results 41 to 50 of about 21,716,016 (301)

Optically stimulated luminescent dosimetry for high dose rate brachytherapy

Frontiers in Oncology, 2012
Purpose: The objective was to determine whether optically stimulated luminescent dosimeters (OSLDs) were appropriate for in vivo measurements in high dose rate brachytherapy. In order to make this distinction, three dosimetric characteristics were tested:
Christopher Jason Tien, Robert eEbeling, Jessica R Hiatt, Bruce eCurran, Edward eSternick   +4 more
doaj   +1 more source

Modern development of high-dose-rate brachytherapy [PDF]

Japanese Journal of Clinical Oncology, 2020
AbstractBrachytherapy is an invasive therapy with placement of radiation source into or near the tumor. The difference between planning target volume and clinical target volume is minimal, and the dose out of the tumor reduces rapidly due to the inverse-square law.
openaire   +2 more sources

High dose rate brachytherapy for oral cancer [PDF]

Journal of Radiation Research, 2012
Brachytherapy results in better dose distribution compared with other treatments because of steep dose reduction in the surrounding normal tissues. Excellent local control rates and acceptable side effects have been demonstrated with brachytherapy as a sole treatment modality, a postoperative method, and a method of reirradiation.
YamazakI, Hideya, Yoshida, Ken, Yoshioka, Yasuo, Shimizutani, Kimishige, Furukawa, Souhei, Koizumi, Masahiko, Ogawa, Kazuhiko   +6 more
openaire   +2 more sources

[High dose rate brachytherapy].

Revista do Hospital das Clinicas, 1993
The high dose rate brachytherapy uses a single source os 192Ir with 10Ci of nominal activity in a remote afterloading machine. This technique allows an outpatient treatment, without the inconveniences of the conventional low dose rate brachytherapy such as use of general anesthesia, rhachianesthesia, prolonged immobilization, and personal exposition to
S, Aisen, H A, Carvalho, M C, Chavantes, S C, Esteves, C M, Haddad, A C, Permonian, M do C, Taier, R C, Marinheiro, C V, Feriancic   +8 more
openaire   +3 more sources

Out-of-field dose in stereotactic radiotherapy for paediatric patients

Physics and Imaging in Radiation Oncology, 2021
Background and purpose: Stereotactic radiotherapy combines image guidance and high precision delivery with small fields to deliver high doses per fraction in short treatment courses.
Lachlan Garrett, Nicholas Hardcastle, Adam Yeo, Peta Lonski, Rick Franich, Tomas Kron   +5 more
doaj   +1 more source

Brachytherapy for Early Oral Tongue Cancer: Low Dose Rate to High Dose Rate [PDF]

Journal of Radiation Research, 2003
To examine the compatibility of low dose rate (LDR) with high dose rate (HDR) brachytherapy, we reviewed 399 patients with early oral tongue cancer (T1-2N0M0) treated solely by brachytherapy at Osaka University Hospital between 1967 and 1999. For patients in the LDR group (n = 341), the treatment sources consisted of Ir-192 pin for 227 patients (1973 ...
Hideya, Yamazaki, Takehiro, Inoue, Ken, Yoshida, Yasuo, Yoshioka, Souhei, Furukawa, Naoya, Kakimoto, Kimishige, Shimizutani, Toshihiko, Inoue   +7 more
openaire   +2 more sources

Optimized Dose Distribution of a High Dose Rate Vaginal Cylinder

International Journal of Radiation Oncology*Biology*Physics, 1998
To present a comparison of optimized dose distributions for a set of high-dose-rate (HDR) vaginal cylinders calculated by a commercial treatment-planning system with benchmark calculations using Monte-Carlo-calculated dosimetry data.Optimized dose distributions using both an isotropic and an anisotropic dose calculation model were obtained for a set of
Department of Radiation Oncology, University of Florida College of Medicine, Gainesville, FL, USA ( host institution ), Li, Zuofeng ( author ), Liu, Chihray ( author ), Palta, Jatinder R. ( author )   +3 more
openaire   +3 more sources

High-dose-rate interstitial brachytherapy for female peri-urethral cancer

Journal of Contemporary Brachytherapy, 2016
Purpose: Peri-urethral cancer (PUC) in females is a rare malignancy. Surgery is not usually contemplated due to associated morbidity. Radiation therapy (RT) can be employed in the form of interstitial brachytherapy (IBT) alone for early lesions, and ...
Daya Nand Sharma, Ajeet Kumar Gandhi, Neerja Bhatla, Sunesh Kumar, Goura Kisor Rath   +4 more
doaj   +1 more source

ELIMINATION OF LOW DOSE HYPER-RADIOSENSITIVITY IN T-47D CELLS : The significance of dose-rate and oxygen level [PDF]

, 2008
Like the majority of investigated cell lines, T-47D breast cancer cells display a pronounced low dose hyper-radiosensitivity when irradiated with 60Co ƒ×-rays.
Edin, Nina F. J.
core   +1 more source

Central Nervous System Tumors Among Infants in Canada: A Report From CYP‐C

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Central nervous system (CNS) tumors in infants are rare, pose unique clinical challenges, and lack large‐scale evidence‐based data to guide management. This study seeks to describe CNS tumors in Canadian infants and to compare their outcomes with those of older children.
Samuel Sassine, Hallie Coltin, Sylvia Cheng, Lucie Lafay‐Cousin, Vanan Issai Magimairajan, Craig Erker, Stéphanie Vairy, Lynette Bowes, Adam Fleming, Donna Johnston, Sarah McKillop, Roona Sinha, Julie Bennett, Christina Coleman, Laura Wheaton, Shayna Zelcer, Samuele Renzi, Thai Hoa Tran   +17 more
wiley   +1 more source