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Brachytherapy

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https://www.readbyqxmd.com/read/28350514/brachytherapy-for-patients-with-prostate-cancer-american-society-of-clinical-oncology-cancer-care-ontario-joint-guideline-update-summary
#1
Joseph Chin, R Bryan Rumble, D Andrew Loblaw
No abstract text is available yet for this article.
March 28, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28346805/brachytherapy-for-patients-with-prostate-cancer-american-society-of-clinical-oncology-cancer-care-ontario-joint-guideline-update
#2
Joseph Chin, R Bryan Rumble, Marisa Kollmeier, Elisabeth Heath, Jason Efstathiou, Tanya Dorff, Barry Berman, Andrew Feifer, Arthur Jacques, D Andrew Loblaw
Purpose To jointly update the Cancer Care Ontario guideline on brachytherapy for patients with prostate cancer to account for new evidence. Methods An Update Panel conducted a targeted systematic literature review and identified more recent randomized controlled trials comparing dose-escalated external beam radiation therapy (EBRT) with brachytherapy in men with prostate cancer. Results Five randomized controlled trials provided the evidence for this update. Recommendations For patients with low-risk prostate cancer who require or choose active treatment, low-dose rate brachytherapy (LDR) alone, EBRT alone, and/or radical prostatectomy (RP) should be offered to eligible patients...
March 27, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28346258/management-of-metastatic-breast-carcinoma-of-iris-with-intraocular-bevacizumab-injections
#3
G Ece Akinci, Ahmet M Hondur, Tongalp H Tezel
PURPOSE: To describe intraocular use of bevacizumab for a metastatic breast carcinoma of the iris resistant to advanced systemic chemotherapy protocols, for which conventional treatment would be local radiotherapy or brachytherapy. METHODS: Case report. RESULTS: A 65-year-old woman, who was previously diagnosed with breast carcinoma and treated with radical mastectomy coupled with radiotherapy and chemotherapy, presented with an iris mass in her left eye...
March 24, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28345569/recent-advances-and-challenges-in-the-management-of-retinoblastoma
#4
Bhavna Chawla, Rashmi Singh
The treatment of retinoblastoma (Rb) has improved significantly in recent times. Worldwide, there is an increasing trend to use conservative treatment modalities that aim to preserve the globe as well as vision with minimum morbidity. Recently, the use of targeted delivery of chemotherapy to the eye in the form of selective intra-arterial and intravitreal chemotherapy has shown promising results. Radiotherapy is beneficial in selected cases, either in the form of plaque brachytherapy or as external beam radiotherapy...
February 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28344609/treatment-planning-for-multicatheter-interstitial-brachytherapy-of-breast-cancer-from-paris-system-to-anatomy-based-inverse-planning
#5
REVIEW
Tibor Major, Csaba Polgár
In the last decades, treatment planning for multicatheter interstitial breast brachytherapy has evolved considerably from fluoroscopy-based 2D to anatomy-based 3D planning. To plan the right positions of the catheters, ultrasound or computed tomography (CT) imaging can be used, but the treatment plan is always based on postimplant CT images. With CT imaging, the 3D target volume can be defined more precisely and delineation of the organs at risk volumes is also possible. Consequently, parameters calculated from dose-volume histogram can be used for quantitative plan evaluation...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28344608/a-brief-look-at-model-based-dose-calculation-principles-practicalities-and-promise
#6
REVIEW
Ron S Sloboda, Hali Morrison, Brie Cawston-Grant, Geetha V Menon
Model-based dose calculation algorithms (MBDCAs) have recently emerged as potential successors to the highly practical, but sometimes inaccurate TG-43 formalism for brachytherapy treatment planning. So named for their capacity to more accurately calculate dose deposition in a patient using information from medical images, these approaches to solve the linear Boltzmann radiation transport equation include point kernel superposition, the discrete ordinates method, and Monte Carlo simulation. In this overview, we describe three MBDCAs that are commercially available at the present time, and identify guidance from professional societies and the broader peer-reviewed literature intended to facilitate their safe and appropriate use...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28344607/locally-advanced-adenocarcinoma-of-the-cervix-on-uterus-didelphys-a-case-report
#7
Abel Cordoba, Alexandre Escande, Pauline Comte, Ingrid Fumagalli, Lucie Bresson, Ndaye Mubiayi, Eric Lartigau
In November 2013, a woman with Herlyn-Werner-Wunderlich (HWW) syndrome was diagnosed with a locally advanced left cervical adenocarcinoma. The patient's malformation consisted of two uteri with two cervixes, a obstructed vagina, and a left renal agenesis. Classification FIGO: stage IIIa because of infiltration of the inferior third of the vagina wall. Locoregional management comprised an infrarenal lateral aortic lymphadenectomy followed by concomitant radio-chemotherapy to the pelvic (inguinal, pelvic, and infrarenal para aortic nodes) volumes...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28344606/edema-worsens-target-coverage-in-high-dose-rate-interstitial-brachytherapy-of-mobile-tongue-cancer-a-report-of-two-cases
#8
Ken Yoshida, Hideya Yamazaki, Tadayuki Kotsuma, Hironori Akiyama, Tadashi Takenaka, Koji Masui, Yasuo Yoshioka, Yasuo Uesugi, Taiju Shimbo, Nobuhiko Yoshikawa, Hiroto Yoshioka, Takumi Arika, Eiichi Tanaka, Yoshifumi Narumi
PURPOSE: We report our study on two patients to highlight the risk of underdosage of the clinical target volume (CTV) due to edema during high-dose-rate interstitial brachytherapy (HDR-ISBT) of mobile tongue cancer. MATERIAL AND METHODS: To treat the lateral side of the CTV, flexible applicator tubes were implanted on the mouth floor. Two-dimensional planning was performed using X-ray images for Case 1, and three-dimensional (3D) planning was performed using computed tomography (CT) for Case 2...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28344605/a-method-to-incorporate-interstitial-components-into-the-tps-gynecologic-rigid-applicator-library
#9
Antonio Otal, Jose Richart, Silvia Rodriguez, Manuel Santos, Jose Perez-Calatayud
PURPOSE: T2 magnetic resonance imaging (MRI) is recommended as the imaging modality for image-guided brachytherapy. In locally advanced cervical carcinoma, combined endocavitary and interstitial applicators are appropriate (Vienna or Utrecht). To cover extensive disease, Template Benidorm (TB) was developed. Treatment planning system applicator libraries are currently unavailable for the Utrecht applicator or the TB. The purpose of this work is to develop an applicator library for both applicators...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28344604/3d-image-based-adapted-high-dose-rate-brachytherapy-in-cervical-cancer-with-and-without-interstitial-needles-measurement-of-applicator-shift-between-imaging-and-dose-delivery
#10
Leif Karlsson, Per Thunberg, Anders With, Louise Bohr Mordhorst, Jan Persliden
PURPOSE: Using 3D image-guided adaptive brachytherapy for cervical cancer treatment, it often means that patients are transported and moved during the treatment procedure. The purpose of this study was to determine the intra-fractional longitudinal applicator shift in relation to the high risk clinical target volume (HR-CTV) by comparing geometries at imaging and dose delivery for patients with and without needles. MATERIAL AND METHODS: Measurements were performed in 33 patients (71 fractions), where 25 fractions were without and 46 were with interstitial needles...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28344603/isobio-software-biological-dose-distribution-and-biological-dose-volume-histogram-from-physical-dose-conversion-using-linear-quadratic-linear-model
#11
Tanwiwat Jaikuna, Phatchareewan Khadsiri, Nisa Chawapun, Suwit Saekho, Ekkasit Tharavichitkul
PURPOSE: To develop an in-house software program that is able to calculate and generate the biological dose distribution and biological dose volume histogram by physical dose conversion using the linear-quadratic-linear (LQL) model. MATERIAL AND METHODS: The Isobio software was developed using MATLAB version 2014b to calculate and generate the biological dose distribution and biological dose volume histograms. The physical dose from each voxel in treatment planning was extracted through Computational Environment for Radiotherapy Research (CERR), and the accuracy was verified by the differentiation between the dose volume histogram from CERR and the treatment planning system...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28344602/safety-and-outcome-of-external-beam-radiation-and-neutron-brachytherapy-in-elderly-patients-with-esophageal-squamous-cell-cancer
#12
Tao Li, Wei Zhang, Jiahua Lv, Huiming Liu, Qifeng Wang, Xitang Jia, Bo Liu, Jinyi Lang
PURPOSE: The aim of this study was to retrospectively observe and analyze the long-term treatment outcomes of 191 elderly patients with esophageal squamous cell cancer (ESCC) who were treated with californium-252 ((252)Cf) neutron brachytherapy (NBT) in combination with external beam radiotherapy (EBRT). MATERIAL AND METHODS: From January 2002 to November 2012, 191 patients with ESCC underwent NBT in combination with EBRT. The total radiation dose to the reference point via NBT was 8-25 Gy-eq in two to five fractions with one fraction per week...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28344601/high-dose-rate-intraluminal-brachytherapy-prior-to-external-radiochemotherapy-in-locally-advanced-esophageal-cancer-preliminary-results
#13
Afsaneh Maddah Safaei, Reza Ghalehtaki, Nezhat Khanjani, Borna Farazmand, Mohammad Babaei, Ebrahim Esmati
PURPOSE: Dysphagia is a common initial presentation in locally advanced esophageal cancer and negatively impacts patient quality of life and treatment compliance. To induce fast relief of dysphagia in patients with potentially operable esophageal cancer high-dose-rate (HDR) brachytherapy was applied prior to definitive radiochemotherapy. MATERIAL AND METHODS: In this single arm phase II clinical trial between 2013 to 2014 twenty patients with locally advanced esophageal cancer (17 squamous cell and 3 adenocarcinoma) were treated with upfront 10 Gy HDR brachytherapy, followed by 50...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28344600/staged-reconstruction-brachytherapy-has-lower-overall-cost-in-recurrent-soft-tissue-sarcoma
#14
Arash O Naghavi, Ricardo J Gonzalez, Jacob G Scott, Youngchul Kim, Yazan A Abuodeh, Tobin J Strom, Michelle Echevarria, John E Mullinax, Kamran A Ahmed, Louis B Harrison, Daniel C Fernandez
PURPOSE: Adjuvant brachytherapy (AB) with immediate (IR) and staged reconstruction (SR) are distinct treatment modalities available for patients with recurrent soft tissue sarcoma (STS). Although SR may offer local control and toxicity benefit, it requires additional upfront procedures, and there is no evidence that it improves overall survival. With the importance of value-based care, our goal is to identify which technique is more cost effective. MATERIAL AND METHODS: A retrospective review of 22 patients with recurrent extremity STS treated with resection followed by AB alone...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28344599/does-ultrasound-measurement-improve-the-accuracy-of-electronic-brachytherapy-in-the-treatment-of-superficial-non-melanomatous-skin-cancer
#15
Uma Goyal, Junhan Pan, Haiyan Cui, Baldassarre Stea
PURPOSE: Electronic brachytherapy (eBT) is a form of contact radiation therapy used for thin superficial non-melanomatous skin cancers (NMSCs). An accurate measurement of diameter and depth is important for eBT treatment planning. Therefore, we compared clinical measurements by an experienced physician to measurements obtained using ultrasound (US), an objective imaging modality, in order to determine if clinical measurements were accurate enough for adequate NMSC treatment. MATERIAL AND METHODS: Eighteen patients with 20 biopsy-proven NMSCs first had a clinical examination and then an US evaluation prior to starting eBT...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28344598/radiation-dose-to-the-left-anterior-descending-coronary-artery-during-interstitial-pulsed-dose-rate-brachytherapy-used-as-a-boost-in-breast-cancer-patients-undergoing-organ-sparing-treatment
#16
Marcin Sinacki, Krystyna Serkies, Rafał Dziadziuszko, Magdalena Narkowicz, Joanna Kamińska, Joanna Lipniewicz
PURPOSE: To assess dose received by the left anterior descending (LAD) coronary artery during interstitial pulsed-dose-rate brachytherapy (PDR-BT) boost for left-sided breast cancer patients undergoing organ-sparing treatment. MATERIAL AND METHODS: Thirty consecutive pT1-3N0-1M0 breast cancer patients boosted between 2014 and 2015 with 10 Gy/10 pulses/hour PDR-BT following a computed tomography (CT) simulation with the multi-catheter implant were included. The most common localization of primary tumor were upper quadrants...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28344597/high-biologically-effective-dose-radiation-therapy-using-brachytherapy-in-combination-with-external-beam-radiotherapy-for-high-risk-prostate-cancer
#17
Keisei Okamoto, Akinori Wada, Naoaki Kohno
PURPOSE: To evaluate the outcomes of high-risk prostate cancer patients treated with biologically effective dose (BED) ≥ 220 Gy of high-dose radiotherapy, using low-dose-rate (LDR) brachytherapy in combination with external beam radiotherapy (EBRT) and short-term androgen deprivation therapy (ADT). MATERIAL AND METHODS: From 2005 to 2013, a total of 143 patients with high-risk prostate cancer were treated by radiotherapy of BED ≥ 220 Gy with a combination of LDR brachytherapy, EBRT, and androgen deprivation therapy (ADT)...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28343795/use-of-mri-in-low-dose-rate-and-high-dose-rate-prostate-brachytherapy-from-diagnosis-to-treatment-assessment-defining-the-knowledge-gaps-technical-challenges-and-barriers-to-implementation
#18
S J Frank, F Mourtada, J Crook, C Ménard
MRI is rapidly evolving as an imaging tool in both low-dose-rate and high-dose-rate brachytherapy for prostate cancer. The ability of MRI to identify intraprostatic tumors and reduce uncertainties in the workflow process should enable a more accurate and precise radiation delivery approach while simultaneously improving the quality assurance process. The ability to identify functional anatomic structures adjacent to the prostate cancer could reduce or eliminate some of the more common side effects of the treatment...
March 23, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28343693/utility-of-radiation-therapy-for-early-stage-uterine-papillary-serous-carcinoma
#19
Stephanie Cham, Yongmei Huang, Ana I Tergas, June Y Hou, William M Burke, Israel Deutsch, Cande V Ananth, Alfred I Neugut, Dawn L Hershman, Jason D Wright
OBJECTIVE: Early-stage uterine papillary serous carcinoma (UPSC) has a poor prognosis and high recurrence rate. While adjuvant chemotherapy is generally recommended, the role of radiation is uncertain. We examined the association between vaginal brachytherapy and whole pelvic radiation and survival in women treated with and without adjuvant chemotherapy. METHODS: The National Cancer Data Base was used to identify women with stage I-II UPSC treated between 1998 and 2012...
March 23, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28343376/ruthenium-106-brachytherapy-with-or-without-additional-local-therapy-showed-favorable-outcome-for-variable-sized-choroidal-melanomas-in-korean-patients
#20
Yeona Cho, Jee Suk Chang, Jin Sook Yoon, Sung Chul Lee, Yong Bae Kim, Joo Ho Kim, Ki Chang Keum
Purpose: To report clinical outcomes of ruthenium-106 (Ru-106) brachytherapy with or without additional local therapy for choroidal melanomas in Korean patients. Materials and Methods: A total of 88 patients diagnosed with choroidal melanomas were treated with Ru-106 brachytherapy between 2006 and 2012. Patients were divided into two groups according to their tumor height: a large group (≥6 mm, n=50) and a small group (<6 mm, n=38). Most patients in the large group received combined therapy with local excision and/or transpupillary thermotherapy...
March 24, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
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