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Practical Radiation Oncology

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https://www.readbyqxmd.com/read/28734643/where-evidence-meets-experience
#1
Varun K Chowdhry
No abstract text is available yet for this article.
June 23, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28734644/postmastectomy-radiation-therapy-technique-and-cardiopulmonary-sparing-a-dosimetric-comparative-analysis-between-photons-and-protons-with-free-breathing-versus-deep-inspiration-breath-hold
#2
Sagar A Patel, Hsiao-Ming Lu, Jacqueline A Nyamwanda, Rachel B Jimenez, Alphonse G Taghian, Shannon M MacDonald, Nicolas Depauw
PURPOSE: Dosimetric studies have suggested greater cardiopulmonary sparing with protons over photons for left-sided postmastectomy radiation therapy (PMRT). Modern techniques such as deep inspiration breath hold (DIBH) can help spare the heart. This analysis compares photon and proton delivery with and without DIBH. METHODS AND MATERIALS: Ten women with left breast cancer referred for PMRT on a prospective clinical trial with unfavorable cardiac anatomy underwent free breathing (FB) and DIBH computed tomography simulation...
June 21, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28734642/extreme-hypofractionation-for-high-risk-prostate-cancer-dosimetric-correlations-with-rectal-bleeding
#3
Glenn Bauman, Jeff Chen, George Rodrigues, Melanie Davidson, Andrew Warner, Andrew Loblaw
PURPOSE: We explored the association of dosimetric parameters with late rectal bleeding among high-risk prostate cancer patients treated with hypofractionated simultaneous in-field boost (H-SIB) to prostate with nodal treatment. METHODS AND MATERIALS: Rectal toxicity results and dose-volume histogram (DVH) information from patients treated on FASTR and SATURN were combined. Patients in both trials received long-term androgen deprivation and H-SIB with prescription dose 40 Gy to the prostate and proximal seminal vesicles and 25 Gy to the lymph nodes delivered over 5 weekly fractions using image guidance with cone beam computed tomography...
June 9, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28688909/are-we-making-an-impact-with-incident-learning-systems-analysis-of-quality-improvement-interventions-using-total-body-irradiation-as-a-model-system
#4
Aileen Kim, Eric Ford, Matthew Spraker, Jing Zeng, Ralph Ermoian, Loucille Jordan, Gabrielle Kane, Matthew Nyflot
PURPOSE: Despite increasing interest in incident learning systems (ILS) to improve safety and quality in radiation oncology, little is known about interventions developed in response to safety data. We used total body irradiation (TBI) as a model system to study the effectiveness of interventions from our institutional ILS. METHODS AND MATERIALS: Near-miss event reports specific to TBI were identified from a departmental ILS from March 2012 to December 2015. The near-miss risk index was rated at multidisciplinary review from 0 (no potential harm) to 4 (critical potential harm)...
June 6, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28596092/stereotactic-body-radiation-therapy-for-early-stage-non-small-cell-lung-cancer-executive-summary-of-an-astro-evidence-based-guideline
#5
Gregory M M Videtic, Jessica Donington, Meredith Giuliani, John Heinzerling, Tomer Z Karas, Chris R Kelsey, Brian E Lally, Karen Latzka, Simon S Lo, Drew Moghanaki, Benjamin Movsas, Andreas Rimner, Michael Roach, George Rodrigues, Shervin M Shirvani, Charles B Simone, Robert Timmerman, Megan E Daly
PURPOSE: This guideline presents evidence-based recommendations for stereotactic body radiation therapy (SBRT) in challenging clinical scenarios in early-stage non-small cell lung cancer (NSCLC). METHODS AND MATERIALS: The American Society for Radiation Oncology convened a task force to perform a systematic literature review on 4 key questions addressing: (1) application of SBRT to operable patients; (2) appropriate use of SBRT in tumors that are centrally located, large, multifocal, or unbiopsied; (3) individual tailoring of SBRT in "high-risk" clinical scenarios; and (4) SBRT as salvage therapy after recurrence...
June 5, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28688910/burden-of-palliative-care-issues-encountered-by-radiation-oncologists-caring-for-patients-with-advanced-cancer
#6
Gregory M Parker, Virginia T LeBaron, Monica Krishnan, Ron Y Shiloh, Alexander Spektor, Lauren Hertan, Tracy A Balboni
PURPOSE: Radiation oncologists frequently provide care for patients with advanced cancer who are in their last months or weeks of life. This study examined the previously not well-characterized types and frequencies of palliative care issues encountered in consultations for palliative radiation therapy (PRT). METHODS AND MATERIALS: This prospective, survey-based study assessed consecutive consults for PRT from May 19, 2014, to September 26, 2014 at 3 Boston-area community and academic, hospital-based centers...
May 25, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28676227/the-call
#7
C Norman Coleman
No abstract text is available yet for this article.
May 25, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28673511/reirradiation-of-the-spine-with-stereotactic-radiosurgery-efficacy-and-toxicity
#8
David Boyce-Fappiano, Erinma Elibe, Bo Zhao, M Salim Siddiqui, Ian Lee, Jack Rock, Samuel Ryu, Farzan Siddiqui
PURPOSE: To determine the potential benefits and adverse effects associated with reirradiating the spinal cord when at least 1 course of radiation therapy (RT) is stereotactic radiosurgery (SRS). METHODS AND MATERIALS: This institutional review board-approved retrospective review included 162 patients (237 reirradiated spine lesions). All patients received SRS at our institution between 2001 and 2013. Electronic medical records were reviewed for clinical exams and radiologic tests (computed tomography/magnetic resonance imaging)...
May 25, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28668669/practical-workflow-for-rapid-prototyping-of-radiation-therapy-positioning-devices
#9
Michael F Gensheimer, Karl Bush, Titania Juang, Bob Herzberg, Manuel Villegas, Peter G Maxim, Maximilian Diehn, Billy W Loo
No abstract text is available yet for this article.
May 13, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28666906/craniospinal-irradiation-prior-to-stem-cell-transplant-for-hematologic-malignancies-with-cns-involvement-effectiveness-and-toxicity-after-photon-or-proton-treatment
#10
Jillian R Gunther, Ahmad R Rahman, Wenli Dong, Zeinab Abou Yehia, Partow Kebriaei, Gabriela Rondon, Chelsea C Pinnix, Sarah A Milgrom, Pamela K Allen, Bouthaina S Dabaja, Grace L Smith
PURPOSE/OBJECTIVE(S): Craniospinal irradiation (CSI) improves local control of leukemia/lymphoma with central nervous system (CNS) involvement; however, for adult patients anticipating stem cell transplant (SCT), cumulative treatment toxicity is a major concern. We evaluated toxicities and outcomes for patients receiving proton or photon CSI before SCT. METHODS AND MATERIALS: We identified 37 consecutive leukemia/lymphoma patients with CNS involvement who received CSI before SCT at our institution...
May 10, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28666903/dose-dissonance-in-radiation-oncology-consensus-needed-when-prescribing-dose-in-radiation-therapy
#11
EDITORIAL
Peter B Schiff
No abstract text is available yet for this article.
May 9, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28666910/pregnancy-discovered-during-radiation-of-an-atypical-meningioma
#12
David Gasalberti, Jay Reiff, Kent Lambert, Jacqueline Emrich, Jaganmohan Poli
No abstract text is available yet for this article.
May 5, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28673554/implementation-of-hypofractionated-prostate-radiation-therapy-in-the-united-states-a-national-cancer-database-analysis
#13
William A Stokes, Brian D Kavanagh, David Raben, Thomas J Pugh
PURPOSE: Preclinical and clinical research over the past several decades suggests that hypofractionated (HFxn) radiation therapy schedules produce similar treatment outcomes compared with conventionally fractionated (CFxn) radiation therapy for definitive treatment of localized prostate cancer (PCa). We sought to evaluate national trends and identify factors associated with HFxn utilization using the US National Cancer Database. METHODS AND MATERIALS: We queried the National Cancer Database for men diagnosed with localized (N0,M0) PCa from 2004 through 2013 treated with external beam radiation therapy...
July 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28336479/radiosurgical-target-distance-from-the-root-entry-zone-in-the-treatment-of-trigeminal-neuralgia
#14
Justin Sharim, Wei-Lun Lo, Won Kim, Srinivas Chivukula, Stephen Tenn, Tania Kaprealian, Nader Pouratian
PURPOSE: Stereotactic radiosurgery (SRS) provides a noninvasive treatment modality for patients with medically refractory trigeminal neuralgia. The root entry zone (REZ) has been proposed to be an ideal stereotactic target because it is partially composed of centrally produced myelin, conferring a theoretical increased sensitivity to irradiation as well as increased susceptibility to neurovascular conflict, making it the site in which nociceptive signals likely arise. The aim of this study is to determine if there is a statistically and clinically significant difference in pain relief or facial hypesthesia following SRS based on distance of the stereotactic isocenter from REZ...
July 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28094212/sparing-of-high-retropharyngeal-nodal-basins-in-patients-with-unilateral-oropharyngeal-carcinoma-treated-with-intensity-modulated-radiation-therapy
#15
Jonathan E Leeman, Stanley Gutiontov, Paul Romesser, Sean McBride, Nadeem Riaz, Nancy Lee, C Jillian Tsai
PURPOSE: The introduction of intensity modulated radiotherapy (IMRT) has facilitated dose painting and sparing of uninvolved/low-risk nodal basins in head and neck cancers. In oropharynx cancer (OPC), the need for elective coverage of uninvolved high contralateral retropharyngeal (RP) nodes and the risk associated with sparing this region remain unclear. We examined outcomes of OPC patients treated with IMRT and omission of contralateral high RP coverage. METHODS AND MATERIALS: We identified 102 OPC patients with cN0-N2b disease treated with definitive IMRT with or without concurrent chemotherapy between 2010 and 2013...
July 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28477798/hippocampal-sparing-and-target-volume-coverage-in-treating-3-to-10-brain-metastases-a-comparison-of-gamma-knife-single-isocenter-vmat-cyberknife-and-tomotherapy-stereotactic-radiosurgery
#16
Isabella Zhang, Jeff Antone, Jenny Li, Shyamali Saha, Adam C Riegel, Lili Vijeh, Joe Lauritano, Mihaela Marrero, Sussan Salas, Michael Schulder, Heather Zinkin, Anuj Goenka, Jonathan Knisely
PURPOSE: Our purpose was to evaluate hippocampal doses and target volume coverage with and without hippocampal sparing when treating multiple brain metastases using various stereotactic radiosurgery (SRS) platforms. METHODS AND MATERIALS: We selected 10 consecutive patients with 14 separate treatments who had been treated in our department for 3 to 10 brain metastases and added hippocampal avoidance contours. All 14 treatments were planned with GammaPlan for Gamma Knife, Eclipse for single isocenter volumetric modulated arc therapy (VMAT), TomoTherapy Treatment Planning System (TPS) for TomoTherapy, and MultiPlan for CyberKnife...
May 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28395915/local-failure-and-acute-radiodermatological-toxicity-in-patients-undergoing-radiation-therapy-with-and-without-postmastectomy-chest-wall-bolus-is-bolus-ever-necessary
#17
Stephen Abel, Paul Renz, Mark Trombetta, Michael Cowher, E Day Werts, Thomas B Julian, Rodney Wegner
PURPOSE: Postmastectomy chest wall radiation therapy has historically used bolus to increase dose at the skin surface. Despite the theoretical benefits of bolus, the clinical implications of locoregional tumor control, cosmesis, and the incidence of radiodermatitis are less well characterized. We hypothesized that treatment in the presence or absence of bolus results in equivalent chest wall recurrence rates, but its presence results in more severe acute dermatologic toxicity. METHODS AND MATERIALS: Locally advanced breast cancer patients undergoing chest wall radiation therapy were retrospectively reviewed from 2005 to 2015 (n = 106; 53 with bolus, 53 without)...
May 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28363492/commentary-on-accelerated-partial-breast-irradiation-consensus-statement-update-of-an-astro-evidence-based-consensus-statement
#18
LETTER
William Small, Tarita O Thomas, Michael Alvarado, Michael Baum, Max Bulsara, Roberto Diaz, Eric Donnelly, Sheldon Feldman, Stephen Grobmyer, Richard Hoefer, David Joseph, Song Kang, Christine Laronga, Andrea McKee, Barry Rosen, Jeffrey Tobias, Valery Uhl, Jayant S Vaidya, Frederik Wenz, Dennis Holmes
No abstract text is available yet for this article.
May 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28343896/assessment-of-hepatic-function-decline-after-stereotactic-body-radiation-therapy-for-primary-liver-cancer
#19
Diego A S Toesca, Evan C Osmundson, Rie von Eyben, Jenny L Shaffer, Albert C Koong, Daniel T Chang
PURPOSE: This study aims to determine how the albumin-bilirubin (ALBI) score compares with the Child-Pugh (CP) score for assessing liver function following stereotactic body radiation therapy (SBRT). METHODS AND MATERIALS: In total, 60 patients, 40 with hepatocellular carcinoma (HCC) and 20 with cholangiocarcinoma (CCA), were treated with SBRT. Liver function panels were obtained before and at 1, 3, 6, and 12 months after SBRT. Laboratory values were censored after locoregional recurrence, further liver-directed therapies, or liver transplant...
May 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28277261/building-a-palliative-radiation-oncology-program-from-bedside-to-b-e-d
#20
Mark J Stavas, Jonathan D Pagan, Sumeeta Varma, Benjamin Li, Lisa A Kachnic
A growing body of evidence supports the integration of palliative care with standard cancer treatments. In these situations, patients often experience a better quality of life, better quality of care, decreased cost, and, in some cases, improved survival with the addition of palliative care services to traditional treatment pathways. In this manuscript, we explore the integration of radiation oncology at palliative care. First, we discuss the impetus for change at Vanderbilt University and the inception of Vanderbilt's inpatient Palliative Radiation Oncology Service at Vanderbilt...
May 2017: Practical Radiation Oncology
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