نتایج جستجو برای: electronic brachytherapy

تعداد نتایج: 233407  

Journal: :Journal of Applied Clinical Medical Physics 2019

Journal: :Medical physics 2014
Regina K Fulkerson John A Micka Larry A DeWerd

PURPOSE Historically, treatment of malignant surface lesions has been achieved with linear accelerator based electron beams or superficial x-ray beams. Recent developments in the field of brachytherapy now allow for the treatment of surface lesions with specialized conical applicators placed directly on the lesion. Applicators are available for use with high dose rate (HDR)(192)Ir sources, as w...

2011
William C Dooley Ozer Algan Kambiz Dowlatshahi Darius Francescatti Elizabeth Tito J David Beatty Art G Lerner Betsy Ballard Susan K Boolbol

BACKGROUND Accelerated partial breast irradiation (APBI) may be used to deliver radiation to the tumor bed post-lumpectomy in eligible patients with breast cancer. Patient and tumor characteristics as well as the lumpectomy technique can influence patient eligibility for APBI. This report describes a lumpectomy procedure and examines patient, tumor, and surgical characteristics from a prospecti...

2017
Quanli Han Muhong Deng Yao Lv Guanghai Dai

BACKGROUND Brachytherapy with iodine-labeled seeds (I-seeds) implantation is increasingly being used to treat tumors because of its positional precision, minimal invasion, least damage to noncancerous tissue due to slow and continuous release of radioactivity and facilitation with modern medical imaging technologies. This study evaluates the survival and pain relief outcomes of the I-seeds impl...

Journal: :Medical physics 2008
Douglas Pfeiffer Steven Sutlief Wenzheng Feng Heather M Pierce Jim Kofler

While ultrasound guided prostate brachytherapy has gained wide acceptance as a primary treatment tool for prostate cancer, quality assurance of the ultrasound guidance system has received very little attention. Task Group 128 of the American Association of Physicists in Medicine was created to address quality assurance requirements specific to transrectal ultrasound used for guidance of prostat...

Journal: :International Journal of Radiation Oncology*Biology*Physics 2020

2002
Vitali Gorenoi Charalabos-Markos Dintsios Matthias P. Schönermark Anja Hagen

SCIENTIFIC BACKGROUND Percutaneous transluminal angioplasties (PTA) through balloon dilatation with or without stenting, i.e. vessel expansion through balloons with or without of implantation of small tubes, called stents, are used in the treatment of peripheral artery occlusive disease (PAOD). The intravascular vessel irradiation, called intravascular brachytherapy, promises a reduction in the...

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