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Prostate brachytherapy

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https://www.readbyqxmd.com/read/29164270/long-term-outcomes-in-patients-younger-than-60%C3%A2-years-of-age-treated-with-brachytherapy-for-prostate-cancer
#1
Pedro J Prada, Juan Cardenal, Ana García Blanco, Javier Anchuelo, María Ferri, Ivan Diaz de Cerio, Andrés Vázquez, Maite Pacheco, Samuel Ruiz Arrebola
PURPOSE: The purpose of the study was to report the outcomes and late toxicities in patients younger than 60 years of age with long-term follow-up treated with low dose rate (LDR) brachytherapy for localized prostate cancer. METHODS: Between January 2000 and December 2009, 270 consecutive patients were treated with favourable localized prostate cancer; the median follow-up was 111 months (range 21-206). All patients received one implant of LDR brachytherapy. Toxicity was reported according to the Common Toxicity Criteria for Adverse Events, Version 4...
November 21, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/29162067/necrotizing-fasciitis-after-high-dose-rate-brachytherapy-and-external-beam-radiation-for-prostate-cancer-a-case-report
#2
Shimpei Yamashita, Yasuo Kohjimoto, Akinori Iba, Kazuro Kikkawa, Isao Hara
BACKGROUND: In recent years, the delayed side effects associated with radiotherapy for prostate cancer have drawn the interest of urologists. Although urosymphyseal fistula is one of these delayed side effects, this serious complication is rarely described in literature and is poorly recognized. CASE PRESENTATION: We report our experience in treating a 77-year-old male patient with necrotizing fasciitis after high-dose rate brachytherapy plus external beam radiation for prostate cancer...
November 21, 2017: BMC Urology
https://www.readbyqxmd.com/read/29161715/management-of-biochemical-recurrence-after-primary-curative-treatment-for-prostate-cancer-a-review
#3
Walter Artibani, Antonio Benito Porcaro, Vincenzo De Marco, Maria A Cerruto, Salvatore Siracusano
How to manage patients with prostate cancer (PCa) with biochemical recurrence (BCR) following primary curative treatment is a controversial issue. Importantly, this prostate-specific antigen (PSA)-only recurrence is a surrogate neither of PCa-specific survival nor of overall survival. Physicians are therefore challenged with preventing or delaying the onset of clinical progression in those deemed at risk, while avoiding over-treating patients whose disease may never progress beyond PSA-only recurrence. Adjuvant therapy for radical prostatectomy (RP) or local radiotherapy (RT) has a role in certain at-risk patients, although it is not recommended in low-risk PCa owing to the significant side-effects associated with RT and androgen deprivation therapy (ADT)...
November 21, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/29153901/use-of-5-alpha-reductase-inhibitors-as-alternatives-to-luteinizing-hormone-releasing-hormone-lhrh-analogs-or-anti-androgens-for-prostate-downsizing-before-brachytherapy
#4
Hee Joon Bae, Omar Mian, Dhananjay Vaidya, Theodore L DeWeese, Daniel Y Song
INTRODUCTION: Prostate hypertrophy, median lobe hypertrophy, and pubic arch interference (PAI) are relative contraindications to brachytherapy because of potential morbidity and technical considerations. GnRH analogs or non-steroidal anti-androgens are currently utilized to achieve prostatic downsizing prior to brachytherapy. However, such agents have been associated with effects on body habitus, metabolism, and quality of life. In contrast, 5-alpha reductase inhibitors (5-ARI) are far less frequently associated with these morbidities...
October 10, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/29153462/health-related-quality-of-life-and-toxicity-after-single-fraction-19%C3%A2-gy-high-dose-rate-prostate-brachytherapy-phase-ii-trial
#5
Alfonso Gomez-Iturriaga, Francisco Casquero, Jose Ignacio Pijoan, Pablo Minguez, Jose Maria Espinosa, Ana Irasarri, Andrea Bueso, Jon Cacicedo, David Buchser, Pedro Bilbao
PURPOSE: To evaluate the safety, tolerance and impact on health-related-quality-of-life (HRQoL) of the high-dose-rate brachytherapy of 19 Gy (BRT-HDR-19 Gy) single fraction in prostate cancer. METHODS: From January 2014 to July 2016, 43 patients with low/intermediate risk were treated with BRT-HDR-19 Gy. The patients were monitored prospectively for toxicity and HRQoL. RESULTS: The median age, initial PSA and the International Prostate Symptom Score (IPSS) were 71 years (55-78), 7...
November 15, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29151782/salvage-low-dose-rate-brachytherapy-for-recurrent-prostate-cancer-after-external-beam-radiotherapy-results-from-a-single-institution-with-focus-on-toxicity-and-functional-outcomes
#6
F Barbera, L Triggiani, M Buglione, P Ghirardelli, P Vitali, B Caraffini, P Borghetti, D Greco, L Bardoscia, N Pasinetti, L Costa, M Maddalo, B Ghedi, B La Face, S M Magrini
Background/aim: Low dose rate brachytherapy has been used as salvage therapy for locally recurrent prostate cancer (PC) after primary external beam radiation therapy (EBRT), along with surgery and cryotherapy. All these techniques, in particular, when applied to the whole gland, involve a relatively high risk of toxicity and may worsen the patient's quality of life. Our aim is to evaluate the results of whole-gland salvage brachytherapy (SBT) after primary EBRT in terms of toxicity, functional outcomes, and efficacy...
2017: Clinical Medicine Insights. Oncology
https://www.readbyqxmd.com/read/29139310/pudendal-nerve-injury-impairs-anorectal-function-and-health-related-quality-of-life-measures-%C3%A2-2-years-after-3d-conformal-radiotherapy-for-prostate-cancer
#7
Eng Eric Yeoh, Rochelle Botten, Addolorata Di Matteo, Marcus Tippett, Jonathon Hutton, Robert Fraser, Phillip G Dinning, David Wattchow
PURPOSE: To compare GI symptoms, measures of generic and disease specific health related quality of life (HRQoL), anorectal and pudendal nerve function and anal sphincter morphology between (i) patients ≥2 years after 3D conformal radiotherapy (3D-CRT)±high dose rate (HDR) brachytherapy for carcinoma of the prostate and aged matched patients before radiotherapy and (ii) symptomatic and asymptomatic patients ≥2 years after 3D-CRT ± HDR brachytherapy. MATERIAL AND METHODS: Methodology included: (i) modified LENT-SOMA scales for GI symptoms, (ii) EORTC QLQ-C30 and EORTC QLQ-PR25 questionnaires for generic and disease specific HRQoL, (iii) anorectal manometry and terminal motor latency for anorectal and pudendal nerve function and (iv) endorectal ultrasound for anal sphincter morphology...
November 15, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/29138841/enhanced-activated-t%C3%A2-cell-subsets-in-prostate-cancer-patients-receiving-iodine-125-low-dose-rate-prostate-brachytherapy
#8
Makoto Kubo, Takefumi Satoh, Hiromichi Ishiyama, Ken-Ichi Tabata, Hideyasu Tsumura, Shoko Komori, Masatsugu Iwamura, Shiro Baba, Kazushige Hayakawa, Toshihiko Kawamura, Fumiya Obata
Radiotherapy (RT) is one of the most important treatments for prostate cancer. Although RT can kill cancer cells through direct and indirect effects of radiation, it occasionally induces an abscopal effect whereby localized radiation treatment is associated with elimination of metastatic cancer at a distance from the irradiated area. Thus, RT may induce an effective antitumor immune response, although the mechanism involved has remained unclear. The present was designed to evaluate this effect of RT in 36 patients with prostate cancer who provided informed consent prior to enrollment in this clinical trial...
November 13, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29137956/pattern-of-relapse-and-dose-received-by-the-recurrent-intraprostatic-nodule-in-low-to-intermediate-risk-prostate-cancer-treated-with-single-fraction-19-gy-high-dose-rate-brachytherapy
#9
Lucas C Mendez, Ananth Ravi, Hans Chung, Chia-Lin Tseng, Matt Wronski, Moti Paudel, Merrylee McGuffin, Patrick Cheung, Andrew Loblaw, Gerard Morton
PURPOSE: The purposes of this study were to investigate the pattern of relapse in patients with low- or intermediate-risk prostate cancer treated with 19-Gy high-dose-rate brachytherapy (HDR-BT) and to calculate the dose received by the area of recurrence. METHODS AND MATERIALS: Patients included in this analysis were treated under a Phase II randomized trial that evaluated the role of 19-Gy HDR-BT monotherapy in low- and intermediate-risk prostate cancers. Multiparametric prostate MRI and prostate biopsy were performed in patients with suspicious local recurrence...
November 11, 2017: Brachytherapy
https://www.readbyqxmd.com/read/29135694/impact-of-prostate-cancer-and-its-treatment-on-the-outcomes-of-ileal-pouch-anal-anastomosis
#10
Lei Lian, Jean Ashburn, Erick M Remer, Feza H Remzi, Manoj Monga, Bo Shen
BACKGROUND: There are scant published data in the impact of prostate cancer and its treatment on functional outcomes and quality of life (QOL) in patients with ileal pouch-anal anastomosis (IPAA). The aim of the study was to evaluate the influence of prostate cancer and its treatment on functional outcomes and QOL in patients with IPAA. METHODS: Patients with IPAA with prostate cancer were compared to age and pouch duration-matched controls without prostate cancer in a 1:2 ratio...
December 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29129780/prior-radiation-therapy-decreases-time-to-idiopathic-erosion-of-artificial-urinary-sphincter-a-multi-institutional-analysis
#11
Melissa R Kaufman, Douglas F Milam, Niels V Johnsen, Mario A Cleves, Joshua A Broghammer, William O Brant, LeRoy A Jones, Jeffrey D Brady, Martin S Gross, Gerard D Henry
PURPOSE: Substantial controversy and conflicting data exist regarding device survival of the artificial urinary sphincter (AUS) in patients with prior radiation therapy. Herein we present data from a multi-institutional analysis examining the effect of prior radiation for prostate cancer on device survival. MATERIALS AND METHODS: A database was compiled of AUS cuff erosion patients including demographic and comorbid patient characteristics, functional analyses, and interventions...
November 9, 2017: Journal of Urology
https://www.readbyqxmd.com/read/29123014/positron-emission-tomography-using-a-grpr-antagonist-68-ga-rm26-in-healthy-volunteers-and-prostate-cancer-patients
#12
Jingjing Zhang, Gang Niu, Xingrong Fan, Lixin Lang, Guozhu Hou, Libo Chen, Huanwen Wu, Zhaohui Zhu, Fang Li, Xiaoyuan Chen
This study was designed to study the safety, biodistribution, radiation dosimetry of a gastrin-releasing peptide receptor (GRPR) antagonist positron emission tomography (PET) tracer (68)Ga-RM26, to assess its clinical diagnostic value in prostate cancer patients, and to perform a direct comparison between GRPR antagonist (68)Ga-RM26 and agonist (68)Ga-BBN. Methods: Five healthy volunteers were enrolled to validate the safety of (68)Ga-RM26 and calculate dosimetry. A total of 28 patients with prostate cancer (17 newly diagnosed and 11 post therapy) were recruited with written informed consent...
November 9, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29122512/-salvage-prostate-brachytherapy-a-solution-for-local-failures-after-a-primary-radiation-therapy
#13
J-M Cosset, G Créhange
Salvage brachytherapy after a first prostate radiation therapy is an emerging technique, which has to be considered in the therapeutic armamentarium in the clinically challenging context of patients with isolated local failure from prostate cancer who may still be considered for cure. These occult failures are more and more frequently diagnosed at an early stage, thanks to targeted biopsies and advances in imaging modalities, such as multiparametric MRI and PET-CT. Salvage brachytherapy benefits from the implantation accuracy of brachytherapy procedures using 3D dosimetry and has resulted in more than 50% tumour control rates with long-term...
November 6, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/29116259/prostate-cancer-brachytherapy-monotherapy-is-efficacious
#14
Clemens Thoma
No abstract text is available yet for this article.
November 8, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/29113782/interobserver-variability-in-rectum-contouring-in-high-dose-rate-brachytherapy-for-prostate-cancer-a-multi-institutional-prospective-analysis
#15
Rodolfo Chicas-Sett, Francisco Celada-Alvarez, Susana Roldan, Silvia Rodriguez-Villalba, Miguel Santos-Olias, Pablo Soler-Catalan, Blanca Ibanez-Rosello, Leoncio Arribas, Alejandro Tormo, Jose M Benlloch, Jose Perez-Calatayud
PURPOSE: The aim of this study was to evaluate the interobserver variability (IOV) of rectum contouring, and its dosimetric consequences, for high-dose-rate brachytherapy in patients with prostate cancer across multiple institutions. METHODS AND MATERIALS: Five radiation oncologists contoured rectums in 10 patients on transperineal ultrasound image sets after establishing a delineation consensus. The D0.1cc, D1cc, and D2cc rectum volume parameters were determined...
November 4, 2017: Brachytherapy
https://www.readbyqxmd.com/read/29113772/oncologic-outcomes-of-definitive-treatments-for-low-and-intermediate-risk-prostate-cancer-after-a-period-of-active-surveillance
#16
Michael J Whalen, Jamie S Pak, Danny Lascano, David Ahlborn, Justin T Matulay, James M McKiernan, Mitchell C Benson, Sven Wenske
BACKGROUND: To compare oncologic outcomes of different definitive treatment (DT) modalities in a cohort of patients with prostate cancer (PCa) after active surveillance (AS). METHODS: We identified 237 patients with National Comprehensive Cancer Network (NCCN) low- and intermediate-risk prostate cancer diagnosed from 1990 to 2012 who did not undergo immediate DT within 12 months of diagnosis (ie, AS patients as well as watchful waiting and those refusing DT). Charts were examined for clinical/pathologic data and type of DT: surgery (RP), radiation including brachytherapy (XRT), cryotherapy, and androgen deprivation therapy monotherapy (ADT)...
October 16, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/29110967/experience-of-using-mosfet-detectors-for-dose-verification-measurements-in-an-end-to-end-192-ir-brachytherapy-quality-assurance-system
#17
Maria Persson, Josef Nilsson, Åsa Carlsson Tedgren
PURPOSE: Establishment of an end-to-end system for the brachytherapy (BT) dosimetric chain could be valuable in clinical quality assurance. Here, the development of such a system using MOSFET (metal oxide semiconductor field effect transistor) detectors and experience gained during 2 years of use are reported with focus on the performance of the MOSFET detectors. METHODS AND MATERIALS: A bolus phantom was constructed with two implants, mimicking prostate and head & neck treatments, using steel needles and plastic catheters to guide the (192)Ir source and house the MOSFET detectors...
October 27, 2017: Brachytherapy
https://www.readbyqxmd.com/read/29107274/focal-ablation-of-early-stage-prostate-cancer-candidate-selection-treatment-guidance-and-assessment-of-outcome
#18
REVIEW
Eric Edison, Taimur Tariq Shah, Hashim U Ahmed
Prostate cancer lesions smaller than 0.5 m(3), or Gleason pattern 3, are likely clinically insignificant. Clinically significant disease is often limited to a single index lesion. Focal ablation targets this index lesion, maintains oncological control, and minimizes complications by preserving healthy prostate tissue. Template mapping biopsy or multiparametric MRI-targeted biopsies are used to identify appropriate index lesions. Multiple energy modalities have been tested, including high-intensity frequency ultrasound, cryoablation, laser ablation, photodynamic therapy, focal brachytherapy, radiofrequency ablation, irreversible electroporation...
November 2017: Urologic Clinics of North America
https://www.readbyqxmd.com/read/29102738/manual-vs-automated-implantation-of-seeds-in-prostate-brachytherapy-oncologic-results-from-a-single-center-study
#19
Laurence Thomas, Antony Chemin, Nicolas Leduc, Sarah Belhomme, Emilie Rich, Olivier Lasbareilles, Antoine Giraud, Edouard Descat, Guilhem Roubaud, Paul Sargos
PURPOSE: The objective of this study was to study survival and tolerance of prostate cancer patients treated with (125)I permanent interstitial brachytherapy by automated vs. manual implantation of seeds. METHODS AND MATERIALS: Between 2002 and 2010, 349 selected patients were treated with (125)I brachytherapy by the same team: from 2002 to April 2005, 65 patients with linked seeds and then 284 patients treated using Nucletron First System automated implantation...
November 1, 2017: Brachytherapy
https://www.readbyqxmd.com/read/29102647/the-transcriptional-landscape-of-radiation-treated-human-prostate-cancer-analysis-of-a-prospective-tissue-cohort
#20
Simon P Keam, Franco Caramia, Cristina Gamell, Piotr J Paul, Gisela Mir Arnau, Paul J Neeson, Scott G Williams, Ygal Haupt
PURPOSE: The resistance of prostate cancer to radiation therapy (RT) is a significant clinical issue and still largely unable to be guided by patient-specific molecular characteristics. The present study describes the gene expression changes induced in response to RT in human prostate tissue obtained from a prospective tissue acquisition study designed for radiobiology research. METHODS AND MATERIALS: A prospective cohort of 5 men with intermediate-risk and clinically localized tumors were treated with high-dose-rate brachytherapy with 2 × 10-Gy fractions...
September 25, 2017: International Journal of Radiation Oncology, Biology, Physics
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