نتایج جستجو برای: hdr brachytherapy

تعداد نتایج: 9646  

2017
Ibrahim Abu-Gheida

Prostate cancer remains the most commonly diagnosed malignancy in men. An estimated 161,360 new cases will be diagnosed in 2017 in the United States, accounting for 19% of male cancer diagnoses and 8% of cancer mortality in men.1 Localized prostate cancer management represents a challenge for clinicians as several definitive treatment options exist including surgical resection, external-beam ra...

Ramin Jaberi Reza Mohammadi Reza Reiazi Seyed Rabee Mahdavi

Introduction: In brachytherapy, as in external radiotherapy, image-guidance plays an important role. For GYN treatments it is standard to acquire at least CT images and preferably MR images prior to each treatment and to calculate the dose of the day on each set of images. Then, the dose to the target and to the organs at risk (OAR) is calculated with worst case scenario from I...

2016
Sergey Nikolaevich Novikov Sergey Vasilevich Kanaev Roman Vladimirovich Novikov Nikolay Dmitrievich IIlin Anna Sergeevna Artemieva Alexnder Olegovich Ivantcov Evgeniy Alexandrovich Piskunov Mariya Yurievna Gotovchikova

PURPOSE The aim of this work is to evaluate results of prostate transperineal saturation biopsy as a guide for focal high-dose-rate brachytherapy in patients with prostate cancer (PCa). MATERIAL AND METHODS Template guided saturation biopsy was performed in 67 primary patients with suspicion for prostate cancer. Biopsy was performed under ultrasonography (US) control with the help of brachyth...

2014
Ashraf Hassouna Yasir Abdulaziz Bahadur Camelia Constantinescu

PURPOSE To retrospectively assess the incidence and magnitude of air pockets around vaginal cylinders and its impact on dose distribution in vaginal cuff image-guided high-dose-rate (HDR) brachytherapy. MATERIAL AND METHODS Fifty endometrial carcinoma patients treated by postoperative HDR vaginal cuff brachytherapy were included in the study. The average age of patients was 58.3 ± 11.8 years ...

Journal: : 2022

Background. Combined radiation therapy is the «gold standard» for treatment of stages IIB-IVA cervical cancer (cervical cancer). Given data statistical indicators cancer, study new approaches to and implementation in clinical practice modern technologies widespread an extremely important area.
 Purpose – evaluate benefits using CT topometric preparation planning brachytherapy cancer.
...

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

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...

Journal: :Brachytherapy 2007
Brandon M Barney O Kenneth MacDonald Christopher M Lee Jim Rankin David K Gaffney

PURPOSE The utility of serial simulations in vaginal vault irradiation is controversial. Our primary endpoint was to assess the significance of simulation in women who received adjuvant intracavitary high-dose-rate brachytherapy (HDR-BT) for early-stage endometrial adenocarcinoma. Secondary endpoints included assessment of acute and late treatment toxicity, medication requirements, and charges ...

2015
Shirley Lewis Mahendra Pal Ganesh Bakshi Yogesh G. Ghadi Santosh Menon Vedang Murthy Umesh Mahantshetty

The incidence of male urethral cancer is rare with age preponderance of 50 to 60 years. The standard management approach is surgery. Here, we present a novel treatment approach for male urethral cancer. Thirty-six year old male, case of primary clear cell adenocarcinoma of urethra who refused surgery, underwent cystoscopic assisted intraluminal HDR brachytherapy. Patient received a dose of 36 G...

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