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List of works by Katja M. Langen

(Non)-migration of radiopaque markers used for on-line localization of the prostate with an electronic portal imaging device

scientific article

A comparison of soft-tissue implanted markers and bony anatomy alignments for image-guided treatments of head-and-neck cancers

scientific article published on 7 May 2009

A comparison of the dosimetric effects of intrafraction motion on step-and-shoot, compensator, and helical tomotherapy-based IMRT.

scientific article

A computational method for estimating the dosimetric effect of intra-fraction motion on step-and-shoot IMRT and compensator plans

scientific article published on 5 July 2010

A margin-based analysis of the dosimetric impact of motion on step-and-shoot IMRT lung plans

scientific article published on 5 February 2014

A model for predicting lung cancer response to therapy

scientific article published on February 2007

A planning study of focal dose escalations to multiparametric MRI-defined dominant intraprostatic lesions in prostate proton radiation therapy

scientific article published on 06 January 2020

A standardized commissioning framework of Monte Carlo dose calculation algorithms for proton pencil beam scanning treatment planning systems

scientific article published on 16 January 2020

A technique for adaptive image-guided helical tomotherapy for lung cancer.

scientific article

A virtual phantom library for the quantification of deformable image registration uncertainties in patients with cancers of the head and neck

scientific article

An Endorectal Balloon Reduces Intrafraction Prostate Motion During Radiotherapy ⬇️

scientific article published on November 16, 2011

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 overview of modern proton therapy

scientific article published on 31 May 2016

Analyzing the impact of intrafraction motion: correlation of different dose metrics with changes in target D95%.

scientific article published in August 2011

Assessment of parotid gland dose changes during head and neck cancer radiotherapy using daily megavoltage computed tomography and deformable image registration

scientific article published on 4 June 2008

Benchmarking of five commercial deformable image registration algorithms for head and neck patients

scientific article

Can megavoltage computed tomography reduce proton range uncertainties in treatment plans for patients with large metal implants?

scientific article

Characterization and use of EBT radiochromic film for IMRT dose verification

scientific article published on 01 November 2006

Characterization of a new scintillation imaging system for proton pencil beam dose rate measurements

scientific article published on 19 May 2020

Comparison of multi-institutional Varian ProBeam pencil beam scanning proton beam commissioning data.

scientific article published on 19 April 2017

Concepts of PTV and Robustness in Passively Scattered and Pencil Beam Scanning Proton Therapy

scientific article published on 01 June 2018

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

Deformable registration of the planning image (kVCT) and the daily images (MVCT) for adaptive radiation therapy.

scientific article published on 15 August 2006

Dissociative disorders among psychiatric patients

scientific article published in February 2004

Dosimetric effect of prostate motion during helical tomotherapy

scientific article published on 21 February 2009

Dosimetric effects of rotational output variation and x-ray target degradation on helical tomotherapy plans

scientific article published in July 2009

Efficient Interplay Effect Mitigation for Proton Pencil Beam Scanning by Spot-Adapted Layered Repainting Evenly Spread out Over the Full Breathing Cycle.

scientific article

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 geometric changes of parotid glands during head and neck cancer radiotherapy using daily MVCT and automatic deformable registration

scientific article published on 15 August 2008

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

Evaluation of two tomotherapy-based techniques for the delivery of whole-breast intensity-modulated radiation therapy

scientific article published in May 2006

Free Breathing versus Breath-Hold Scanning Beam Proton Therapy and Cardiac Sparing in Breast Cancer

scientific article published on 14 March 2017

Helical Tomotherapy: Image-Guided and Adaptive Radiotherapy ⬇️

scientific article published on May 20, 2011

Image guided radiation therapy (IGRT) technologies for radiation therapy localization and delivery

scientific article

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

scientific article published on January 2008

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

Investigation of accelerated partial breast patient alignment and treatment with helical tomotherapy unit

scientific article published on 22 January 2008

Is proton beam therapy better than standard radiation therapy? The available evidence points to benefits of proton beam therapy

scientific article published in December 2014

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

scientific article published on 01 April 2009

Minimum-MU and sparse-energy-layer (MMSEL) constrained inverse optimization method for efficiently deliverable PBS plans

scientific article published on 10 October 2019

Multiple Computed Tomography Robust Optimization to Account for Random Anatomic Density Variations During Intensity Modulated Proton Therapy

scientific article published on 26 December 2019

Observations on real-time prostate gland motion using electromagnetic tracking

scientific article published on 14 February 2008

On the Fuzziness of Machine Learning, Neural Networks, and Artificial Intelligence in Radiation Oncology.

scientific article published in January 2018

Patient dose from megavoltage computed tomography imaging

scientific article published on 30 January 2008

Pencil beam scanning versus passively scattered proton therapy for unresectable pancreatic cancer

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

scientific article published on 01 August 2005

Physics: The Use of Magnetic Resonance Imaging for Radiation Therapy is Accelerating in Utility and Novelty

scientific article published on 11 November 2015

Proton Beam Therapy Basics

scientific article published on 26 September 2015

Proton pencil beam scanning treatment with feedback based voluntary moderate breath hold

scientific article published on 20 December 2019

QA for helical tomotherapy: report of the AAPM Task Group 148.

scientific article published on September 2010

Quality assurance for image-guided radiation therapy utilizing CT-based technologies: a report of the AAPM TG-179.

scientific article published in April 2012

Quality assurance of onboard megavoltage computed tomography imaging and target localization systems for on- and off-line image-guided radiotherapy

scientific article published in January 2008

Real-time motion-adaptive-optimization (MAO) in TomoTherapy

scientific article published on 23 June 2009

Safety considerations for IGRT: Executive summary

scientific article

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

Simultaneous dose and dose rate optimization (SDDRO) for FLASH proton therapy

scientific article published on 17 October 2020

Technical Note: Quality assurance of proton central axis pencil-beam spread-out Bragg peak using large-diameter multilayer ionization chambers

scientific article published on 10 August 2019

Technical Note: plan-delivery-time constrained inverse optimization method with minimum-MU-per-energy-layer (MMPEL) for efficient pencil beam scanning proton therapy

scientific article published on 02 July 2020

The Dosimetric Effect of Intrafraction Prostate Motion on Step-and-Shoot Intensity-Modulated Radiation Therapy Plans: Magnitude, Correlation With Motion Parameters, and Comparison With Helical Tomotherapy Plans ⬇️

scientific article published on April 6, 2012

Three-dimensional prostate position estimation with a single x-ray imager utilizing the spatial probability density

scientific article

Validation of a computational method for assessing the impact of intra-fraction motion on helical tomotherapy plans.

scientific article published on 14 October 2009

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