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List of works by Twyla R Willoughby

An evaluation of intrafraction motion of the prostate in the prone and supine positions using electromagnetic tracking

scientific article published on 30 March 2011

An optimized approach for robust spot placement in proton pencil beam scanning

scientific article published on 05 December 2019

Characterization and use of EBT radiochromic film for IMRT dose verification

scientific article published on 01 November 2006

Commissioning an in-room mobile CT for adaptive proton therapy with a compact proton system.

scientific article

Comparison of transabdominal ultrasound and electromagnetic transponders for prostate localization.

scientific article

Correlation between dosimetric effect and intrafraction motion during prostate treatments delivered with helical tomotherapy

scientific article published on 18 November 2008

Daily variations in delivered doses in patients treated with radiotherapy for localized prostate cancer

scientific article published in November 2006

Daily variations in the position of the prostate bed in patients with prostate cancer receiving postoperative external beam radiation therapy

scientific article

Development of a Virtual Radiation Oncology Clinic for training and simulation of errors in the radiation oncology workflow

scientific article published on 12 January 2018

Dose/volume relationship of late rectal bleeding after external beam radiotherapy for localized prostate cancer: absolute or relative rectal volume?

scientific article published in January 2002

Dosimetric consequences of intrafraction prostate motion

scientific article published on 30 January 2008

Dosimetric effect of prostate motion during helical tomotherapy

scientific article published on 21 February 2009

Effectiveness of base-of-skull immobilization system in a compact proton therapy setting

scientific article published on 6 April 2018

Efficient use of continuous, real-time prostate localization

scientific article published on 18 August 2008

Evaluation of an infrared camera and X-ray system using implanted fiducials in patients with lung tumors for gated radiation therapy

scientific article published on 2 August 2006

Evaluation of cine imaging during multileaf collimator and gantry motion for real-time magnetic resonance guided radiation therapy

scientific article published on 23 November 2020

Evaluation of image-guidance protocols in the treatment of head and neck cancers

scientific article published on 29 December 2006

Evaluation of image-guidance strategies in the treatment of localized prostate cancer

scientific article published on 24 September 2007

Expanding the use of real-time electromagnetic tracking in radiation oncology

scientific article

Hypofractionated intensity-modulated radiotherapy (70 Gy at 2.5 Gy per fraction) for localized prostate cancer: Cleveland Clinic experience

scientific article published on 04 June 2007

Image-guided bolus electron conformal therapy - a case study

scientific article published on 7 October 2010

Image-guided radiotherapy for localized prostate cancer: treating a moving target

scientific article published on January 2008

Image‐guided bolus electron conformal therapy – a case study.

scientific article

Impact of image guidance on outcomes after external beam radiotherapy for localized prostate cancer

scientific article

Implantation and stability of metallic fiducials within pulmonary lesions

scientific article published on 2 July 2007

Influence of intrafraction motion on margins for prostate radiotherapy

scientific article published on 20 March 2006

Initial experience with megavoltage (MV) CT guidance for daily prostate alignments

scientific article published in August 2005

Intraprostatic fiducials for localization of the prostate gland: monitoring intermarker distances during radiation therapy to test for marker stability

scientific article

Megavoltage computed tomography image-based low-dose rate intracavitary brachytherapy planning for cervical carcinoma

scientific article published on 01 April 2009

Modeling simulation and visualization of conformal 3D lung tumor dosimetry

scientific article published on 01 October 2009

Multi-institutional clinical experience with the Calypso System in localization and continuous, real-time monitoring of the prostate gland during external radiotherapy

scientific article published on 21 December 2006

Observations on real-time prostate gland motion using electromagnetic tracking

scientific article published on 14 February 2008

Optical tracking technology in stereotactic radiation therapy

scientific article published on January 2007

Orthogonal image pairs coupled with OSMS for noncoplanar beam angle, intracranial, single-isocenter, SRS treatments with multiple targets on the Varian Edge radiosurgery system

scientific article published on 26 April 2017

Performance characterization of megavoltage computed tomography imaging on a helical tomotherapy unit

scientific article published on 01 August 2005

Positional stability of electromagnetic transponders used for prostate localization and continuous, real-time tracking

scientific article published on 21 May 2007

Preliminary observations on biochemical relapse-free survival rates after short-course intensity-modulated radiotherapy (70 Gy at 2.5 Gy/fraction) for localized prostate cancer

scientific article published on 01 July 2002

Prostate intrafraction translation margins for real-time monitoring and correction strategies

scientific article published on 13 July 2011

Quality assurance for clinical implementation of an electromagnetic tracking system

scientific article published in August 2009

Quality assurance for nonradiographic radiotherapy localization and positioning systems: report of Task Group 147.

scientific article

Radiosurgery technology development and use.

scientific article published in January 2011

Real-time simulation of 4D lung tumor radiotherapy using a breathing model

scientific article published on 01 January 2008

Real-time tumor tracking in the lung using an electromagnetic tracking system

scientific article published on 21 March 2013

Serial megavoltage CT imaging during external beam radiotherapy for non-small-cell lung cancer: observations on tumor regression during treatment

scientific article published on 11 July 2005

Target localization and real-time tracking using the Calypso 4D localization system in patients with localized prostate cancer

scientific article published in June 2006

Technical Report: Diagnostic Scan-Based Planning (DSBP), A Method to Improve the Speed and Safety of Radiation Therapy for the Treatment of Critically Ill Patients

scientific article published on 28 January 2020

The Mobius AIRO mobile CT for image-guided proton therapy: Characterization & commissioning

scientific article published on 24 April 2017

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