Use of On-Board Imaging to Evaluate Residual Errors for Target Localization in SBRT: A Feedback Analysis

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Use of On-Board Imaging to Evaluate Residual Errors for Target Localization in SBRT: A Feedback Analysis
Authors:     F. Yin*, Z. Wang*, S. Yoo*, Q. Wu*, J. Kirkpatrick*, J. Meyer*, N. Larrier*, C. Willett*, L. Marks*. , Duke University Medical Center, Durham, NC, USA
Presenter:     Yin Fang-Fang

Keywords :  2d 3d accuracy assess case cbct compared contour correction ct deviation document due errors evaluate feedback figure identification identified imaging improve information inter-fraction intra-fraction kv liver localization matching mm month mv obtain on-board orthogonal patient pet planning prior provides radiographs residual sbrt shifts shown steps system target treatment used

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The New Immobilization System for Breast Cancer Patient Irradiation – Patient’s and Technician’s Subjective Note

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     The New Immobilization System for Breast Cancer Patient Irradiation – Patient’s and Technician’s Subjective Note
Authors:     Krzysztof Szczepanik1, Hubert Urbańczyk1, Jadwiga Ciechowicz2, Leszek Miszczyk1 1 – Department of Radiotherapy, Maria Skłodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch 2 – Computer Laboratory, Medical University in Łódź
Presenter:     Szczepanik Krzysztof

Keywords :  1st 5th although analysis bct bpp breast bsp cancer ciechowicz2 comfortable compare computer conclusion consuming department different given immobilization important introduction irradiation krzysztof maria measured median miszczyk1 note observed oncology patients performing positioning prepared radiotherapist sec shown significant standard statistically stm study subjective systems table technician therapy used week

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Stereotactic Body Radiotherapy – SBRT Physical principles

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Stereotactic Body Radiotherapy – SBRT Physical principles
Authors:     Ingmar Lax, Dept of Hospital Physics, Karolinska University Hospital, Stockholm, Sweden
Presenter:     Lax Ingmar

Keywords :  body center conformal ctv delivery diagnostic distribution dose dynamic effect gtv hospital imaging imrt isrs kv local margins max min mv normal oncology organ periphery planning projection ptv radiation radiotherapy reduce reference sbrt set-up situation static stereotactic system target technical tissue tomographic treatment tumor tumor-position unit used verification volume

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Set up accuracy of patients with head and neck tumors using the megavoltage computed tomography image capacity of a helical Tomotherapy system

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Set up accuracy of patients with head and neck tumors using the megavoltage computed tomography image capacity of a helical Tomotherapy system
Authors:     Aude Vaandering, Vincent Grégoire, Stefaan Vynckier, Milan Tomsej. Radiation Oncology Dept., Université Catholique de Louvain, St-Luc University Hospital, Brussels, Belgium.
Presenter:     Vaandering Aude

Keywords :-0 -1 -10 -2 -4 -5 -7 20mm 33mm 43mm accepted anterior-posterior automatic basis calculated corrected cranial-caudal ctv days deviations difference direction frequency head helical ii image immobilized kvct masks materials medial-lateral methods mm mvct neck patients population predict ptv random rest results shoulder significantly system systematic tomotherapy total

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Repositioning Accuracy Of Two Different Mask Systems: A Comparison By True 3D-3D Matching With Cone-Beam CT

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Repositioning Accuracy Of Two Different Mask Systems: A Comparison By True 3D-3D Matching With Cone-Beam CT
Authors:     J. Boda-Heggemann*, C. Walter*, H. Wertz*, B. K
Presenter:     Boda-Heggemann Judit

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Relocatable fixation systems in intracranial stereotactic radiotherapy – Evaluation by serial CT scans and patient acceptance

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Relocatable fixation systems in intracranial stereotactic radiotherapy – Evaluation by serial CT scans and patient acceptance
Authors:     Astrid Theelen, Maastro Clinic
Presenter:     Theelen Astrid

Keywords : -1 -2 3d 3d-ct 3d-vector acceptance best bite-block brainlab conformal ct deviations different evaluate feeling fixation highly includes increased margin mask measures method mm mo neck non ns pain patientgroup patients per precise range reference results salivation scan sd set-up significant standard support system thermoplastic treatment vector weekly weeks

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Radiotherapy technicians inter-observer variability on evaluating set-up errors

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Radiotherapy technicians inter-observer variability on evaluating set-up errors
Authors:     J M Pérez, C Costal, S Pelaez. Radiation Oncology Dept., Inst. Català d’Oncologia, Hosp. Dr. Josep Trueta, Girona, Spain
Presenter:     Pérez Jose M.

Keywords : anatomy clinical compare conclusion contoured department determine deviation displacements drawn drr errors evaluate femoral fig heads images inter-observer lateral less ll match material method mm observers oncologia oncology pa patient portal postero-anterior projection purpose quality radiotherapy results rotation select set-up standard structures study system table technicians treatment used variability

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Position Correction Guidance Utilizing Real-Time Tracking with the Calypsor System for External Radiation Therapy Delivery in Patients with Localized Prostate Cancer

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Position Correction Guidance Utilizing Real-Time Tracking with the Calypsor System for External Radiation Therapy Delivery in Patients with Localized Prostate Cancer
Authors:     T. Willoughby*1, P. Kupelian*1, A. Mahadevan*2, C. Enke*3, S. Jani*4, G. Weinstein*4, D. Beyer*5. , 1M.D. Anderson Cancer Center Orlando, Orlando, FL, 2Cleveland Clinic, Cleveland, OH, 3Nebraska Medical Center, Omaha, NE, 4Sharp Memorial Hospital, San Diego, CA, 5Scottsdale Healthcare/Arizona Oncology Services, Scottsdale, AZ, USA
Presenter:     Willoughby Twyla

Keywords : 3a actual calypso cancer correction delay delivery different drift either electromagnetic exceeded external fig following fractions gland implanted include individual interventions limits localize materials max medical minutes mm motion observed occurred orlando patient portal position prostate radiation realign seattle session signals system target therapy tracking transponders treatment twice used

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Inter-patient variability of setup error and organ motion and its effect on population based margins

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Inter-patient variability of setup error and organ motion and its effect on population based margins
Authors:     Marcel van Herk, Marnix Witte. Netherlands Cancer Institute, Amsterdam, The Netherlands
Presenter:     van Herk Marcel

Keywords : analysis ap average blur cancer compute ctv cumulative data deviation differences distribution dose effect error estimate execution fraction group inter-patient intra-fraction lr margin measurement mm mobility motion number observed organ patient population position probability ptv random rms samples sd sdsd setup sf si specific ss standard statistics systematic variability

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Implementation of Hotelling’s statistics in a patient positioning protocol – clinical experience

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Implementation of Hotelling’s statistics in a patient positioning protocol – clinical experience
Authors:     Lotte S. Fog, Dept. of medical physics, Royal Adelaide Hospital, Adelaide, Australia
Presenter:     Fog Lotte

Keywords : adelaide allows amsterdam analysis appropriate australia brain cervix chest clinical cm confidence contour corrections data department developed errors estro experience fog formation hospital hotelling implementation important level lotte method misalignment newcastle palliative patient percentage positioning protocol questions radiation radical recommended royal several shift site south statistics systematic tolerance treatment

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