K. Langen

发表

Organ motion and its management.

K. Langen, D. T. Jones, D. Jones, 2001, International journal of radiation oncology, biology, physics.

Evaluation of ultrasound-based prostate localization for image-guided radiotherapy.

J. Pouliot, I. Hsu, L. Verhey, 2003, International journal of radiation oncology, biology, physics.

Evaluation of a diode array for QA measurements on a helical tomotherapy unit.

K. Ruchala, G. Olivera, P. Kupelian, 2005, Medical physics.

The use of megavoltage CT (MVCT) images for dose recomputations

G H Olivera, K J Ruchala, S L Meeks, 2005, Physics in medicine and biology.

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

Patrick A Kupelian, Katja M Langen, Twyla R Willoughby, 2005, International journal of radiation oncology, biology, physics.

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

Patrick A Kupelian, Katja M Langen, Sanford L Meeks, 2006, International journal of radiation oncology, biology, physics.

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

Weiguo Lu, Patrick A Kupelian, Katja M Langen, 2008, International journal of radiation oncology, biology, physics.

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

Weiguo Lu, Patrick A Kupelian, Katja M Langen, 2008, Radiotherapy and Oncology.

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

Katja M Langen, Sanford L Meeks, K. Langen, 2011, Medical physics.

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

W. Yuh, Lei Dong, K. Forster, 2013, International journal of radiation oncology, biology, physics.

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

K. Brock, I. El Naqa, K. Langen, 2018, International journal of radiation oncology, biology, physics.

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

W. Lu, K. Ruchala, G. Olivera, 2006, International Journal of Radiation Oncology, Biology, Physics.

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

Weiguo Lu, Patrick A Kupelian, Katja M Langen, 2006, Physics in medicine and biology.

Patient dose from megavoltage computed tomography imaging.

K. Ruchala, P. Kupelian, K. Langen, 2008, International journal of radiation oncology, biology, physics.

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

Perry B. Johnson, F. Bova, K. Langen, 2016, Journal of applied clinical medical physics.

Observations on real-time prostate gland motion using electromagnetic tracking.

Patrick A Kupelian, Katja M Langen, Anand Santhanam, 2008, International journal of radiation oncology, biology, physics.

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

Paul J Keall, Per Rugaard Poulsen, Byungchul Cho, 2008, Physics in medicine and biology.

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

Patrick A Kupelian, Katja M Langen, Twyla R Willoughby, 2007, International journal of radiation oncology, biology, physics.

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

Patrick A Kupelian, Katja M Langen, Twyla R Willoughby, 2008, International journal of radiation oncology, biology, physics.

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

Jan-Jakob Sonke, Jean Pouliot, Moyed Miften, 2012, Medical physics.

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

K. Langen, Y. Kwok, A. Kaiser, 2019, Advances in radiation oncology.

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

Hao Gao, Yuting Lin, K. Langen, 2020, Medical physics.

In response to Dr. Dar et al

C. Ramsey, P. Kupelian, K. Langen, 2006 .

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

W. Grant, C. Ramsey, G. Olivera, 2010, Medical physics.

Assuring Safety and Quality in Image-guided Delivery of Radiation Therapy

R. Adams, D. Yan, D. Jaffray, 2012 .

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

B. Pogue, D. Gladstone, K. Langen, 2020, Physics in medicine and biology.

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

K. Langen, Peng Wang, V. Mangona, 2019, Medical dosimetry : official journal of the American Association of Medical Dosimetrists.

Daily megavoltage CT image guidance in the treatment of localized prostate cancer

P. Kupelian, K. Langen, S. Meeks, 2004 .

SU‐DD‐A3‐03: Evaluation of An Infrared Camera and X‐Ray System for Gated Radiation Therapy

P. Kupelian, K. Langen, S. Meeks, 2005 .

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

K. Ruchala, G. Olivera, P. Kupelian, 2008, International journal of radiation oncology, biology, physics.

Does Image Guidance Need to be Performed Daily in the Treatment of Localized Prostate Cancers? Implications on Treatment Margins

Choonik Lee, P. Kupelian, K. Langen, 2007 .

2047 : Partial Breast Irradiation With Helical Tomotherapy Using RTOG 0413 Planning Constraints

P. Kupelian, K. Langen, S. Meeks, 2006 .

Megavoltage Computed Tomography Image-based Low-dose Rate Intracavitary Brachytherapy Planning for Cervical Carcinoma

P. Kupelian, K. Langen, S. Meeks, 2009, Technology in cancer research & treatment.

Characterization of 250 MeV protons from Varian ProBeam pencil beam scanning system for FLASH radiation therapy

K. Langen, A. Dhabaan, Mingyao Zhu, 2022, 2208.05037.

Helical tomotherapy: image-guided and adaptive radiotherapy.

P. Kupelian, K. Langen, 2011, Frontiers of radiation therapy and oncology.

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

Sean S. Park, M. Mehta, K. Langen, 2016, International journal of particle therapy.

Evaluation of the use of the bat ultrasound system for prostate localization and repositioning: an inter-user study

J. Pouliot, I. Hsu, L. Verhey, 2002 .

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

Radhe Mohan, Dragan Mirkovic, Wayne D Newhauser, 2008, Physics in medicine and biology.

A model for predicting lung cancer response to therapy.

Patrick A Kupelian, Katja M Langen, Sanford L Meeks, 2007, International Journal of Radiation Oncology, Biology, Physics.

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

J. Pouliot, K. Langen, S. Meeks, 2008, International journal of radiation oncology, biology, physics.

QA for helical tomotherapy: Report of the AAPM Task Group 148a).

Niko Papanikolaou, Chengyu Shi, Walter Grant, 2010, Medical physics.

Microdosimetric investigations at the fast neutron therapy facility at Fermilab

K. Langen, 1997 .

Further study of the characteristics of different proton-recoil track detectors at various neutron energies

K. Langen, C. Wernli, D. Azimi-Garakani, 1994 .

The response of various neutron dosemeters at high energy neutrons

K. Langen, P. Pihet, C. Wernli, 1992 .

Measurement of the tissue to A-150 tissue equivalent plastic kerma ratio at two p(66)Be neutron therapy facilities.

K. Langen, P. Deluca, A. Lennox, 2003, Physics in medicine and biology.

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

Patrick A Kupelian, Katja M Langen, Twyla R Willoughby, 2006, International journal of radiation oncology, biology, physics.

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

Jean Pouliot, Katja M Langen, Yu-Ming Liu, 2003, International journal of radiation oncology, biology, physics.

Characterization and use of EBT radiochromic film for IMRT dose verification.

Patrick A Kupelian, Katja M Langen, Twyla R Willoughby, 2006, Medical physics.

An endorectal balloon reduces intrafraction prostate motion during radiotherapy.

P. Kupelian, K. Langen, R. Louwe, 2012, International journal of radiation oncology, biology, physics.

Performance evaluation of an improved optical computed tomography polymer gel dosimeter system for 3D dose verification of static and dynamic phantom deliveries.

S L Meeks, P. Kupelian, K. Langen, 2008, Medical physics.

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

Sanford L. Meeks, Patrick Kelly, Frank J. Bova, 2016, Journal of applied clinical medical physics.

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

Katja M Langen, Frank J Bova, Sanford L Meeks, 2013, Medical physics.

The effect of temporal HU variations on the uncertainty of dose recalculations performed on MVCT images

F. Bova, K. Langen, S. Meeks, 2011, Physics in medicine and biology.

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

Patrick A Kupelian, Katja M Langen, Sanford L Meeks, 2009, Medical physics.

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

Patrick A Kupelian, Katja M Langen, Twyla R Willoughby, 2005, Medical physics.

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

Sibo Tian, Xiaofeng Yang, Tonghe Wang, 2020, British Journal of Radiology.

Characterization of 250 MeV protons from Varian ProBeam pencil beam scanning system for FLASH radiation therapy

K. Langen, A. Dhabaan, Mingyao Zhu, 2022, 2208.05037.

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

Patrick A Kupelian, Katja M Langen, Gustavo H Olivera, 2006, International journal of radiation oncology, biology, physics.

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

Tian Liu, Sheng Huang, Rongxiao Zhang, 2020, Medical physics.

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

Patrick A Kupelian, Katja M Langen, Twyla R Willoughby, 2008, Seminars in radiation oncology.

Dosimetric effect of prostate motion during helical tomotherapy.

Weiguo Lu, Patrick A Kupelian, Katja M Langen, 2009, International journal of radiation oncology, biology, physics.

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

Weiguo Lu, Patrick A Kupelian, Wilfred Ngwa, 2008, Physics in medicine and biology.

Real-Time Simulation and Visualization of Subject-Specific 3D Lung Dynamics

Jannick P. Rolland, Cali M. Fidopiastis, Sanford L. Meeks, 2006, 19th IEEE Symposium on Computer-Based Medical Systems (CBMS'06).

Visualization of tumor-influenced 3D lung dynamics

Larry S. Davis, Jannick P. Rolland, Cali M. Fidopiastis, 2006, SPIE Medical Imaging.

Safety considerations for IGRT: Executive summary

David A. Jaffray, Di Yan, Gikas Mageras, 2013, Practical radiation oncology.

2371 : Clinical Application of Deformable Image Registration in Head and Neck Cancer Radiotherapy: Does Planned Dose to Tumor and Normal Structures Change During Treatment?

K. Ruchala, G. Olivera, P. Kupelian, 2006 .

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

Patrick A Kupelian, Katja M Langen, Twyla R Willoughby, 2006, International journal of radiation oncology, biology, physics.

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

K. Langen, Mingyao Zhu, 2018, Seminars in radiation oncology.

SU-E-J-201: What is the Importance of Dose Recalculation for Adaptive Radiotherapy Dose Assessment?

J Pukala, R Staton, K. Langen, 2012, Medical physics.

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

W. Grant, C. Ramsey, G. Olivera, 2010, Medical physics.

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

Patrick A Kupelian, Katja M Langen, Twyla R Willoughby, 2005, International journal of radiation oncology, biology, physics.

SU-FF-T-363: Dynamic Tangents and Topotherapy: New Delivery Capabilities for Helical Tomotherapy

Thomas R. Mackie, Kenneth J. Ruchala, Sanford L. Meeks, 2005 .

SU‐GG‐T‐286: Performance of An Improved Optical Computed Tomography Polymer Gel Dosimeter System for 3‐D Dose Verification of Static and Dynamic Phantom Deliveries

P. Kupelian, K. Langen, S. Meeks, 2008 .

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

K. Langen, S. Meeks, B. Waghorn, 2013, Journal of applied clinical medical physics.

Variability in commercially available deformable image registration: A multi‐institution analysis using virtual head and neck phantoms

F. Bova, K. Langen, S. Meeks, 2021, Journal of applied clinical medical physics.

Is Proton Beam Therapy Better Than Standard Radiation Therapy ?

M. Mehta, C. Willett, K. Langen, 2014 .

The Available Evidence Points to Benefits of Proton Beam Therapy

M. Mehta, K. Langen, W. Regine, 2014 .

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.

Jeffrey V Siebers, Patrick A Kupelian, Katja M Langen, 2012, International journal of radiation oncology, biology, physics.

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

Patrick A Kupelian, Katja M Langen, Twyla R Willoughby, 2005, International journal of radiation oncology, biology, physics.

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

Per Rugaard Poulsen, Katja Langen, K. Langen, 2018, International journal of radiation oncology, biology, physics.

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

M. Mehta, Zuofeng Li, K. Langen, 2018, Journal of gastrointestinal oncology.

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

Patrick A Kupelian, Katja M Langen, Sanford L Meeks, 2010, International journal of radiation oncology, biology, physics.

Megavoltage Computed Tomography Imaging

P. Kupelian, K. Langen, S. Meeks, 2008 .

Clinical practice vs. state-of-the-art research and future visions: Report on the 4D treatment planning workshop for particle therapy - Edition 2018 and 2019.

J. McClelland, K. Langen, T. Terunuma, 2021, Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics.

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

Patrick A Kupelian, Katja M Langen, Twyla R Willoughby, 2011, Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology.

Positional and Volumetric Changes in Parotid Glands During Head and Neck Radiation Therapy Assessed Using Deformable Image Registration

G. Olivera, P. Kupelian, K. Langen, 2007 .

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

Tian Liu, Yuting Lin, Benjamin Clasie, 2020, Medical physics.

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

Tian Liu, Yuting Lin, Hao Gao, 2019, Physics in medicine and biology.

LINICAL INVESTIGATION Head and Neck EVALUATION OF IMAGE-GUIDANCE PROTOCOLS IN THE TREATMENT OF HEAD AND NECK CANCERS

P. Kupelian, K. Langen, S. Meeks, 2007 .

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

M. Mehta, K. Langen, W. Regine, 2014, Clinical advances in hematology & oncology : H&O.

Helical tomotherapy planning for left-sided breast cancer patients with positive lymph nodes: comparison to conventional multiport breast technique

K. Langen, D. Buchholz, 2009 .

WE‐E‐M100F‐04: Commissioning and Validation of a Beam Model for Calculating Megavoltage CT Dose From Imaging with a Helical Tomotherapy Unit

K. Ruchala, P. Kupelian, K. Langen, 2007 .

Proton theraPy sPecial feature: full PaPer a planning study of focal dose escalations to multiparametric Mri- defined dominant intraprostatic lesions in prostate proton radiation therapy

K. Langen, W. Curran, Xiaofeng Yang, 2020 .

SU‐GG‐T‐270: Evaluation of a Novel 3‐D Polymer Gel Dosimetry System for Proton Radiotherapy

J. Palta, P. Kupelian, K. Langen, 2008 .

Real-time Position Adjustment during Treatment for Localized Prostate Cancers: Observations on Clinical Use and Acute Toxicity

P. Kupelian, K. Langen, S. Meeks, 2009 .

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

Lei Dong, Katja Langen, Ulrich W. Langner, 2017, Journal of applied clinical medical physics.

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

W. Yuh, K. Forster, I. Chetty, 2013, International journal of radiation oncology, biology, physics.

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

K. Langen, E. Klein, N. Dogan, 2015, International journal of radiation oncology, biology, physics.

Proton Treatment Delivery Techniques

Hsiao-Ming Lu, K. Langen, H. Lin, 2018 .

SU-E-T-369: Evaluation of Dose Control System Performance on a TomoTherapy Hi-Art System

K. Langen, S. Meeks, R. Staton, 2012 .

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

Quan Chen, Weiguo Lu, Patrick A Kupelian, 2009, Physics in medicine and biology.

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

W. Lu, K. Ruchala, G. Olivera, 2008, Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology.

Patient dose from megavoltage computed tomography imaging.

K. Ruchala, P. Kupelian, K. Langen, 2008, International journal of radiation oncology, biology, physics.

1230 poster AN ENDORECTAL BALLOON REDUCES INTRAFRACTION PROSTATE MOTION DURING RADIOTHERAPY

P. Kupelian, K. Langen, R. Louwe, 2011 .