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Peter A. Balter, M.S., Ph.D., DABR

Present Title & Affiliation

Primary Appointment

Associate Professor, Department of Radiation Physics - Patient Care, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
Associate Director, MD Anderson Accredited Dosimetry Calibration Laboratory, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, MD Anderson Accredited Dosimetry Calibration Laboratory, Houston, TX

Dual/Joint/Adjunct Appointment

Adjunct Faculty, Medical Dosimetry Program, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX

Office Address

The University of Texas MD Anderson Cancer Center
1400 Pressler St.
Unit Number: 1420
Houston, TX 77030-3722
Room Number: Pickens Academic Tower, FCT 6.5060
Phone: (713) 563-2560
Fax: (713) 563-2545
Email: pbalter@mdanderson.org

Education & Training

Degree-Granting Education

2003 University of Texas Houston Graduate School of Biomedical Science, Houston, TX, PHD, Medical Physics
1995 University of Texas Houston Graduate School of Biomedical Science, Houston, TX, MS, Medical Physics
1992 University of New Mexico, Albuquerque, NM, BS, Mathematics and Physics

Postgraduate Training

10/2005 MTMI Hands-on Multi-Slice CT Workshop for Physicists, Medical Technology Management Institute, Houston, TX
5/2005 Stereotatic Body Radiation Therapy: State of the Science, University of Texas Southwest Cancer Center, Dallas, TX
7/1999 First International Workshop on Radiotherapy Gel Dosimetry (DOSGEL), LUND University, Malmö University Hospital, Lexington, KY
4/1999 3-D Conformal Radiation Therapy and Intensity Modulated Radiation Therapy in the New Millennium, The University of Texas MD Anderson Cancer Center, Houston, TX
9/1998 3-D Radiation Treatment Planning and Conformal Therapy Workshop, University of North Carolina at Chapel Hill, Chapel Hill, NC
8/1998 Radiation Therapy Physics, AAPM, San Antonio, TX
9/1995 UCLA Fifth Annual Workshop on Minimally Invasive Therapy of The Brain, University of California, Los Angeles, Los Angeles, CA
9/1994 Dosimetry of High Energy Electron and X-Ray Therapy Machines, The University of Texas MD Anderson Cancer Center, Houston, TX
7/1993 External Beam Dosimetry - Principles and Calibrations, The University of Texas MD Anderson Cancer Center, Houston, TX
7/1993 External Beam, Interstitial, and Intracavitary Dosimetry: Basic Methods of Calculation, The University of Texas MD Anderson Cancer Center, Houston, TX

Board Certifications

5/1999 American Board of Radiology (ABR), Therapeutic Radiological Physics

Experience/Service

Academic Appointments

Associate Member, Graduate School of Biomedical Sciences, University of Texas Health Science Center, Graduate School of Biomedical Sciences, Houston, TX, 12/2004-present
Assistant Professor, Department of Radiation Physics, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 9/2003-8/2009
Medical Physicist, Department of Radiation Physics, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 10/2000-1/2001
Jr. Medical Physicist, Department of Radiation Physics, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 9/1996-10/2000

Administrative Appointments/Responsibilities

Service Chief, Thoracic Service, Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, 2004-present

Institutional Committee Activities

Senator, Radiation Physics Department Representative, Faculty Senate Committee, 2008-present

Honors and Awards

2013 Department of Radiation Physics Outstanding Achievement Award, UT MD Anderson - Radiation Physics
2011 2011 Outstanding Educator Award, UT MD Anderson - School of Health Professions
2008 Department of Radiation Physics Outstanding Achievement Award, UT MD Anderson - Radiation Physics
2007 Chairman's Award for Meritorious Service to the Department, the Division, and the Institution and for Innovation and Creativity, UT MD Anderson - Radiation Physics
1992 Kappa MU Epsilon

Professional Memberships

American Association of Physicists in Medicine
Member, 1994-present
American Association of Physicists in Medicine Southwest Chapter, TX
President, 1/2009-12/2009
Member, 1994-present
American Board of Radiology, Louisville, KY
D.A.B.R., 2009-present
Examiner, 6/2007-present
American Society for Therapeutic Radiology and Oncology
Associate Member, 1/2008-present

Selected Publications

Peer-Reviewed Original Research Articles

1. Balter P, Ficociello LH, Taylor PB, Usvyat L, Sawin DA, Mullon C, Diaz-Buxo J, Zabetakis P. A year-long quality improvement project on fluid management using blood volume monitoring during hemodialysis. Curr Med Res Opin. e-Pub 6/2015. PMID: 25942380.
2. Chang JY, Senan S, Paul MA, Mehran RJ, Louie AV, Balter P, Groen HJ, McRae SE, Widder J, Feng L, van den Borne BE, Munsell MF, Hurkmans C, Berry DA, van Werkhoven E, Kresl JJ, Dingemans AM, Dawood O, Haasbeek CJ, Carpenter LS, De Jaeger K, Komaki R, Slotman BJ, Smit EF, Roth JA. Stereotactic ablative radiotherapy versus lobectomy for operable stage I non-small-cell lung cancer: a pooled analysis of two randomised trials. Lancet Oncol 16(6):630-7, 6/2015. e-Pub 5/13/2015. PMCID: PMC4489408.
3. Zhang Y, Yang J, Zhang L, Court LE, Gao S, Balter PA, Dong L. Digital reconstruction of high-quality daily 4D cone-beam CT images using prior knowledge of anatomy and respiratory motion. Comput Med Imaging Graph 40:30-8, 3/2015. e-Pub 10/29/2014. PMID: 25467806.
4. Huang JY, Kerns JR, Nute JL, Liu X, Balter PA, Stingo FC, Followill DS, Mirkovic D, Howell RM, Kry SF. An evaluation of three commercially available metal artifact reduction methods for CT imaging. Phys Med Biol 60(3):1047-67, 2/7/2015. e-Pub 1/14/2015. PMCID: PMC4311882.
5. Castillo SJ, Castillo R, Castillo E, Pan T, Ibbott G, Balter P, Hobbs B, Guerrero T. Evaluation of 4D CT acquisition methods designed to reduce artifacts. J Appl Clin Med Phys 16(2):4949, 2015. e-Pub 3/8/2015. PMCID: PMC4504190.
6. Sturgeon JD, Cox JA, Mayo LL, Gunn GB, Zhang L, Balter PA, Dong L, Awan M, Kocak-Uzel E, Mohamed AS, Rosenthal DI, Fuller CD. Improved human observer performance in digital reconstructed radiograph verification in head and neck cancer radiotherapy. Int J Comput Assist Radiol Surg. e-Pub 12/5/2014. PMID: 25477277.
7. Ding Y, Mohamed AS, Yang J, Colen RR, Frank SJ, Wang J, Wassal EY, Wang W, Kantor ME, Balter PA, Rosenthal DI, Lai SY, Hazle JD, Fuller CD. Prospective observer and software-based assessment of magnetic resonance imaging quality in head and neck cancer: Should standard positioning and immobilization be required for radiation therapy applications? Pract Radiat Oncol. e-Pub 12/17/2014. PMCID: PMC4470880.
8. McKenzie EM, Balter PA, Stingo FC, Jones J, Followill DS, Kry SF. Toward optimizing patient-specific IMRT QA techniques in the accurate detection of dosimetrically acceptable and unacceptable patient plans. Med Phys 41(12):121702, 12/2014. PMCID: PMC4235651.
9. Popple RA, Balter PA, Orton CG. Point/Counterpoint. Because of the advantages of rotational techniques, conventional IMRT will soon become obsolete. Med Phys 41(10):100601, 10/2014. PMID: 25281937.
10. Li Q, Swanick CW, Allen PK, Gomez DR, Welsh JW, Liao Z, Balter PA, Chang JY. Stereotactic ablative radiotherapy (SABR) using 70 Gy in 10 fractions for non-small cell lung cancer: exploration of clinical indications. Radiother Oncol 112(2):256-61, 8/2014. e-Pub 8/6/2014. PMID: 25108807.
11. Fave X, Yang J, Carvalho L, Martin R, Pan T, Balter P, Court L. Upright cone beam CT imaging using the onboard imager. Med Phys 41(6):061906, 6/2014. PMID: 24877817.
12. Yang J, Woodward WA, Reed VK, Strom EA, Perkins GH, Tereffe W, Buchholz TA, Zhang L, Balter P, Court LE, Li XA, Dong L. Statistical modeling approach to quantitative analysis of interobserver variability in breast contouring. Int J Radiat Oncol Biol Phys 89(1):214-21, 5/1/2014. e-Pub 3/7/2014. PMCID: PMC3997068.
13. Chang JY, Li QQ, Xu QY, Allen PK, Rebueno N, Gomez DR, Balter P, Komaki R, Mehran R, Swisher SG, Roth JA. Stereotactic ablative radiation therapy for centrally located early stage or isolated parenchymal recurrences of non-small cell lung cancer: how to fly in a "no fly zone". Int J Radiat Oncol Biol Phys 88(5):1120-8, 4/1/2014. PMID: 24661665.
14. Yang J, Beadle BM, Garden AS, Gunn B, Rosenthal D, Ang K, Frank S, Williamson R, Balter P, Court L, Dong L. Auto-segmentation of low-risk clinical target volume for head and neck radiation therapy. Pract Radiat Oncol 4(1):e31-7, Jan-Feb, 1/2014. e-Pub 5/3/2013. PMID: 24621429.
15. Castillo SJ, Castillo R, Balter P, Pan T, Ibbott G, Hobbs B, Yuan Y, Guerrero T. Assessment of a quantitative metric for 4D CT artifact evaluation by observer consensus. J Appl Clin Med Phys 15(3):4718, 2014. e-Pub 5/8/2014. PMCID: PMC4048877.
16. Gao S, Du W, Balter P, Munro P, Jeung A. Evaluation of IsoCal geometric calibration system for Varian linacs equipped with on-board imager and electronic portal imaging device imaging systems. J Appl Clin Med Phys 15(3):4688, 2014. e-Pub 5/8/2014. PMID: 24892342.
17. McKenzie EM, Balter PA, Stingo FC, Jones J, Followill DS, Kry SF. Reproducibility in patient-specific IMRT QA. J Appl Clin Med Phys 15(3):4741, 2014. e-Pub 5/8/2014. PMCID: PMC4048867.
18. Li H, Park P, Liu W, Matney J, Liao Z, Balter P, Li Y, Zhang X, Li X, Zhu XR. Patient-specific quantification of respiratory motion-induced dose uncertainty for step-and-shoot IMRT of lung cancer. Med Phys 40(12):121712, 12/2013. PMCID: PMC3843761.
19. Peng Y, Vedam S, Gao S, Balter P. A new respiratory monitoring and processing system based on Wii remote: Proof of principle. Med Phys 40(7):071712, 7/2013. PMID: 23822416.
20. Gao S, Balter PA, Rose M, Simon WE. Measurement of changes in linear accelerator photon energy through flatness variation using an ion chamber array. Med Phys 40(4):042101, 4/2013. PMID: 23556911.
21. Zhang Y, Yang J, Zhang L, Court LE, Balter PA, Dong L. Modeling respiratory motion for reducing motion artifacts in 4D CT images. Med Phys 40(4):041716, 4/2013. PMID: 23556886.
22. Gomez DR, Tucker SL, Martel MK, Mohan R, Balter PA, Lopez Guerra JL, Liu H, Komaki R, Cox JD, Liao Z. Predictors of High-grade Esophagitis After Definitive Three-dimensional Conformal Therapy, Intensity-modulated Radiation Therapy, or Proton Beam Therapy for Non-small cell Lung Cancer. Int J Radiat Oncol Biol Phys 84(4):1010-6, 11/2012. e-Pub 8/2012. PMID: 22920974.
23. Zhang X, Liu H, Balter P, Allen PK, Komaki R, Pan T, Chuang HH, Chang JY. Positron emission tomography for assessing local failure after stereotactic body radiotherapy for non-small-cell lung cancer. Int J Radiat Oncol Biol Phys 83(5):1558-65, 8/1/2012. e-Pub 5/7/2012. PMCID: PMC3474601.
24. Yu ZH, Lin SH, Balter P, Zhang L, Dong L. A comparison of tumor motion characteristics between early stage and locally advanced stage lung cancers. Radiother Oncol 104(1):33-8, 7/2012. e-Pub 6/5/2012. PMID: 22677039.
25. Chung H, Court L, Lin SH, Kulkarni D, Balter P. Evaluation of dose variation to normal and critical structures for lung hypofractionated stereotactic body radiation therapy. Pract Radiat Oncol 2(3):e15-21, Jul-Sep, 7/2012. e-Pub 2/14/2012. PMID: 24674129.
26. Wang J, Lin SH, Dong L, Balter P, Mohan R, Komaki R, Cox JD, Starkschall G. Quantifying the Interfractional Displacement of the Gastroesophageal Junction During Radiation Therapy for Esophageal Cancer. Int J Radiat Oncol Biol Phys 83(2):e273-80, 6/2012. e-Pub 3/2012. PMID: 22440040.
27. Jiang ZQ, Yang K, Komaki R, Wei X, Tucker SL, Zhuang Y, Martel MK, Vedam S, Balter P, Zhu G, Gomez D, Lu C, Mohan R, Cox JD, Liao Z. Long-Term Clinical Outcome of Intensity-Modulated Radiotherapy for Inoperable Non-Small-Cell Lung Cancer: The MD Anderson Experience. Int J Radiat Oncol Biol Phys 83(1):332-9, 5/2012. e-Pub 11/2011. PMID: 22079735.
28. Bissonnette JP, Balter PA, Dong L, Langen KM, Lovelock DM, Miften M, Moseley DJ, Pouliot J, Sonke JJ, Yoo S. Quality assurance for image-guided radiation therapy utilizing CT-based technologies: A report of the AAPM TG-179. Med Phys 39(4):1946-63, 4/2012. PMID: 22482616.
29. Chang JY, Liu H, Balter P, Komaki R, Liao Z, Welsh J, Mehran RJ, Roth JA, Swisher SG. Clinical outcome and predictors of survival and pneumonitis after stereotactic ablative radiotherapy for Stage 1 non-small cell lung cancer. Radiat Oncol 7(1):152, 2012. e-Pub 9/10/2012. PMCID: PMC3444889.
30. Sutton J, Kabiru D, Neu M, Turner L, Balter P, Palmer M. Define baseline levels of segments per beam for intensity-modulated radiation therapy delivery for brain, head and neck, thoracic, abdominal, and prostate applications. Med Dosim 37(1):15-9, 2012. e-Pub 9/1/2011. PMID: 21889327.
31. Joy S, Starkschall G, Kry S, Salehpour M, White RA, Lin SH, Balter P. Dosimetric effects of jaw tracking in step-and-shoot intensity-modulated radiation therapy. J Appl Clin Med Phys 13(2):3707, 2012. e-Pub 3/8/2012. PMID: 22402386.
32. Wootton LS, Polf JC, Peterson S, Wilkinson J, Rozner MA, Balter PA, Beddar S. Proton dose perturbations caused by high-voltage leads from implanted cardioverter defibrillators. J Appl Clin Med Phys 13(4):3813, 2012. e-Pub 5/2012. PMID: 22766952.
33. Ahmad M, Balter P, Pan T. Four-dimensional volume-of-interest reconstruction for cone-beam computed tomography-guided radiation therapy. Med Phys 38(10):5646-56, 10/2011. PMCID: PMC4032402.
34. Welsh J, Thomas J, Shah D, Allen PK, Wei X, Mitchell K, Gao S, Balter P, Komaki R, Chang JY. Obesity Increases the Risk of Chest Wall Pain from Thoracic Stereotactic Body Radiation Therapy. Int J Radiat Oncol Biol Phys 81(1):91-6, 9/2011. e-Pub 6/2010. PMID: 20542388.
35. Peng Y, Vedam S, Chang JY, Gao S, Sadagopan R, Bues M, Balter P. Implementation of Feedback-Guided Voluntary Breath-Hold Gating for Cone Beam CT-Based Stereotactic Body Radiotherapy. Int J Radiat Oncol Biol Phys 80(3):909-17, 7/2011. e-Pub 4/2011. PMID: 21470784.
36. Ikushima H, Balter P, Komaki R, Hunjun S, Bucci MK, Liao Z, McAleer MF, Yu ZH, Zhang Y, Chang JY, Dong L. Daily alignment results of in-room computed tomography-guided stereotactic body radiation therapy for lung cancer. Int J Radiat Oncol Biol Phys 79(2):473-80, 2/2011. e-Pub 4/2010. PMID: 20399032.
37. Starkschall G, Balter P, Britton K, McAleer MF, Cox JD, Mohan R. Interfractional reproducibility of lung tumor location using various methods of respiratory motion mitigation. Int J Radiat Oncol Biol Phys 79(2):596-601, 2/2011. e-Pub 7/2010. PMID: 20638189.
38. Siochi RA, Balter P, Bloch CD, Santanam L, Blodgett K, Curran BH, Engelsman M, Feng W, Mechalakos J, Pavord D, Simon T, Sutlieff S, Zhu XR. A rapid communication from the AAPM Task Group 201: recommendations for the QA of external beam radiotherapy data transfer. AAPM TG 201: quality assurance of external beam radiotherapy data transfer. J Appl Clin Med Phys 12(1):3479, 2011. e-Pub 12/4/2010. PMID: 21330992.
39. Kelly P, Balter PA, Rebueno N, Sharp HJ, Liao Z, Komaki R, Chang JY. Stereotactic Body Radiation Therapy for Patients with Lung Cancer Previously Treated with Thoracic Radiation. Int J Radiat Oncol Biol Phys 78(5):1387-93, 12/2010. e-Pub 4/2010. PMID: 20381271.
40. Tsunashima Y, Vedam S, Dong L, Umezawa M, Balter P, Mohan R. The precision of respiratory-gated delivery of synchrotron-based pulsed beam proton therapy. Phys Med Biol 55(24):7633-47, 12/2010. e-Pub 11/2010. PMID: 21113089.
41. Zamora DA, Riegel AC, Sun X, Balter P, Starkschall G, Mawlawi O, Pan T. Thoracic target volume delineation using various maximum-intensity projection computed tomography image sets for radiotherapy treatment planning. Med Phys 37(11):5811-20, 11/2010. PMCID: PMC3810265.
42. Buyyounouski MK, Balter P, Lewis B, D'Ambrosio DJ, Dilling TJ, Miller RC, Schefter T, Tomé W, Harris EE, Price RA, Konski AA, Wallner PE. Stereotactic body radiotherapy for early-stage non-small-cell lung cancer: report of the ASTRO Emerging Technology Committee. Int J Radiat Oncol Biol Phys 78(1):3-10, 9/1/2010. e-Pub 7/17/2010. PMID: 20643514.
43. Nelson C, Balter P, Morice RC, Bucci K, Dong L, Tucker S, Vedam S, Chang JY, Starkschall G. Evaluation of Tumor Position and PTV Margins Using Image Guidance and Respiratory Gating. Int J Radiat Oncol Biol Phys 76(5):1578-85, 4/2010. e-Pub 2/2010. PMID: 20137865.
44. Hunjan S, Starkschall G, Prado K, Dong L, Balter P. Lack of Correlation Between External Fiducial Positions and Internal Tumor Positions During Breath-Hold CT. Int J Radiat Oncol Biol Phys 76(5):1586-91, 4/2010. e-Pub 2/2010. PMID: 20133074.
45. Vinogradskiy YY, Balter P, Followill DS, Alvarez PE, White RA, Starkschall G. Comparing the accuracy of four-dimensional photon dose calculations with three-dimensional calculations using moving and deforming phantoms. Med Phys 36(11):5000-6, 11/2009. PMID: 19994509.
46. Vinogradskiy YY, Balter P, Followill DS, Alvarez PE, White RA, Starkschall G. Verification of four-dimensional photon dose calculations. Med Phys 36(8):3438-47, 8/2009. PMID: 19746777.
47. Briere TM, Beddar S, Balter P, Murthy R, Gupta S, Nelson C, Starkschall G, Gillin MT, Krishnan S. Respiratory gating with EPID-based verification: the MDACC experience. Phys Med Biol 54(11):3379-91, 6/2009. e-Pub 5/2009. PMID: 19436104.
48. Sadagopan R, Bencomo JA, Martin RL, Nilsson G, Matzen T, Balter PA. Characterization and clinical evaluation of a novel IMRT quality assurance system. J Appl Clin Med Phys 10(2):2928, 2009. e-Pub 5/2009. PMID: 19458595.
49. Ezhil M, Vedam S, Balter P, Choi B, Mirkovic D, Starkschall G, Chang JY. Determination of patient-specific internal gross tumor volumes for lung cancer using four-dimensional computer tomography. Radiat Oncol 4(4):4, 2009. e-Pub 1/27/2009. PMCID: PMC2645420.
50. Giebeler A, Fontenot J, Balter P, Ciangaru G, Zhu R, Newhauser W. Dose perturbations from implanted helical gold markers in proton therapy of prostate cancer. J Appl Clin Med Phys 10(1):2875, 2009. e-Pub 1/27/2009. PMCID: PMC2949274.
51. Siochi RA, Balter P, Bloch CD, Bushe HS, Mayo CS, Curran BH, Feng W, Kagadis GC, Kirby TH, Stern RL. Information technology resource management in radiation oncology. J Appl Clin Med Phys 10(4):3116, 2009. PMID: 19918239.
52. Vassiliev ON, Kry SF, Chang JY, Balter PA, Titt U, Mohan R. Stereotactic radiotherapy for lung cancer using a flattening filter free Clinac. J Appl Clin Med Phys 10(1):2880, 2009. PMID: 19223837.
53. Khan F, Bell G, Antony J, Palmer M, Balter P, Bucci K, Chapman MJ. The use of 4DCT to reduce lung dose: a dosimetric analysis. Med Dosim 34(4):273-8, 2009. e-Pub 1/1/2009. PMID: 19854385.
54. Chang JY, Balter PA, Dong L, Yang Q, Liao Z, Jeter M, Bucci MK, McAleer MF, Mehran RJ, Roth JA, Komaki R. Stereotactic body radiation therapy in centrally and superiorly located stage I or isolated recurrent non-small-cell lung cancer. Int J Radiat Oncol Biol Phys 72(4):967-71, 11/15/2008. PMID: 18954709.
55. Beddar AS, Briere TM, Balter P, Pan T, Tolani N, Ng C, Szklaruk J, Krishnan S. 4D-CT imaging with synchronized intravenous contrast injection to improve delineation of liver tumors for treatment planning. Radiother Oncol 87(3):445-8, 6/2008. e-Pub 1/2008. PMID: 18194819.
56. Ezhil M, Choi B, Starkschall G, Bucci MK, Vedam S, Balter P. Comparison of rigid and adaptive methods of propagating gross tumor volume through respiratory phases of four-dimensional computed tomography image data set. Int J Radiat Oncol Biol Phys 71(1):290-6, 5/2008. PMID: 18406893.
57. Tsunashima Y, Vedam S, Dong L, Umezawa M, Sakae T, Bues M, Balter P, Smith A, Mohan R. Efficiency of respiratory-gated delivery of synchrotron-based pulsed proton irradiation. Phys Med Biol 53(7):1947-59, 4/2008. e-Pub 3/2008. PMID: 18364549.
58. Zeng R, Fessler JA, Balter JM, Balter PA. Iterative sorting for four-dimensional CT images based on internal anatomy motion. Med Phys 35(3):917-26, 3/2008. PMCID: PMC2851165.
59. Chang JY, Dong L, Liu H, Starkschall G, Balter P, Mohan R, Liao Z, Cox JD, Komaki R. Image-guided radiation therapy for non-small cell lung cancer. J Thorac Oncol 3(2):177-86, 2/2008. PMID: 18303441.
60. Yaremko BP, Guerrero TM, McAleer MF, Bucci MK, Noyola-Martinez J, Nguyen LT, Balter PA, Guerra R, Komaki R, Liao Z. Determination of respiratory motion for distal esophagus cancer using four-dimensional computed tomography. Int J Radiat Oncol Biol Phys 70(1):145-53, 1/1/2008. e-Pub 9/12/2007. PMID: 17855008.
61. Nelson C, Balter P, Morice RC, Choi B, Kudchadker RJ, Bucci K, Chang JY, Dong L, Tucker S, Vedam S, Briere T, Starkschall G. A technique for reducing patient setup uncertainties by aligning and verifying daily positioning of a moving tumor using implanted fiducials. J Appl Clin Med Phys 9(4):2766, 2008. e-Pub 10/2008. PMID: 19020478.
62. Hunjan S, Starkschall G, Rosen I, Prado K, Tolani N, Balter P. Comparison of breath-hold and free-breathing positions of an external fiducial by analysis of respiratory traces. J Appl Clin Med Phys 9(3):2768, 2008. e-Pub 6/23/2008. PMID: 18716589.
63. Klopp AH, Chang JY, Tucker SL, Sulman EP, Balter PA, Liu HH, Bucci MK, Macapinlac HA, Komaki R, Cox JD. Intrathoracic patterns of failure for non-small-cell lung cancer with positron-emission tomography/computed tomography-defined target delineation. Int J Radiat Oncol Biol Phys 69(5):1409-16, 12/1/2007. e-Pub 9/27/2007. PMID: 17904303.
64. Krishnan S, Briere TM, Dong L, Murthy R, Ng C, Balter P, Mohan R, Gillin MT, Beddar AS. Daily targeting of liver tumors: screening patients with a mock treatment and using a combination of internal and external fiducials for image-guided respiratory-gated radiotherapy. Med Phys 34(12):4591-3, 12/2007. PMID: 18196785.
65. Lu J, Guerrero TM, Munro P, Jeung A, Chi PC, Balter P, Zhu XR, Mohan R, Pan T. Four-dimensional cone beam CT with adaptive gantry rotation and adaptive data sampling. Med Phys 34(9):3520-9, 9/2007. PMID: 17926955.
66. Yaremko BP, Guerrero TM, Noyola-Martinez J, Guerra R, Lege DG, Nguyen LT, Balter PA, Cox JD, Komaki R. Reduction of normal lung irradiation in locally advanced non-small-cell lung cancer patients, using ventilation images for functional avoidance. Int J Radiat Oncol Biol Phys 68(2):562-571, 6/1/2007. e-Pub 3/29/2007. PMCID: PMC3490190.
67. Liu HH, Balter P, Tutt T, Choi B, Zhang J, Wang C, Chi M, Luo D, Pan T, Hunjan S, Starkschall G, Rosen I, Prado K, Liao Z, Chang J, Komaki R, Cox JD, Mohan R, Dong L. Assessing respiration-induced tumor motion and internal target volume using four-dimensional computed tomography for radiotherapy of lung cancer. Int J Radiat Oncol Biol Phys 68(2):531-40, 6/2007. e-Pub 3/2007. PMID: 17398035.
68. Chi PC, Mawlawi O, Nehmeh SA, Erdi YE, Balter PA, Luo D, Mohan R, Pan T. Design of respiration averaged CT for attenuation correction of the PET data from PET/CT. Med Phys 34(6):2039-2047, 6/2007. PMID: 17654907.
69. Nelson C, Starkschall G, Balter P, Morice RC, Stevens CW, Chang JY. Assessment of lung tumor motion and setup uncertainties using implanted fiducials. Int J Radiat Oncol Biol Phys 67(3):915-23, 3/1/2007. PMID: 17293241.
70. Kang Y, Zhang X, Chang JY, Wang H, Wei X, Liao Z, Komaki R, Cox JD, Balter PA, Liu H, Zhu XR, Mohan R, Dong L. 4D Proton treatment planning strategy for mobile lung tumors. Int J Radiat Oncol Biol Phys 67(3):906-914, 3/2007. PMID: 17293240.
71. Rosu M, Balter JM, Chetty IJ, Kessler ML, McShan DL, Balter P, Ten Haken RK. How extensive of a 4D dataset is needed to estimate cumulative dose distribution plan evaluation metrics in conformal lung therapy? Med Phys 34(1):233-45, 1/2007. PMID: 17278509.
72. Starkschall G, Desai N, Balter P, Prado K, Luo D, Cody D, Pan T. Quantitative assessment of four-dimensional computed tomography image acquisition quality. J Appl Clin Med Phys 8(3)(3):2362, 2007. e-Pub 6/29/2007. PMID: 17712299.
73. Chi PC, Balter P, Luo D, Mohan R, Pan T. Relation of external surface to internal tumor motion studied with cine CT. Med Phys 33(9):3116-23, 9/2006. PMID: 17022203.
74. Molineu A, Followill DS, Balter PA, Hanson WF, Gillin MT, Huq MS, Eisbruch A, Ibbott GS. Design and implementation of an anthropomorphic quality assurance phantom for intensity-modulated radiation therapy for the Radiation Therapy Oncology Group. Int J Radiat Oncol Biol Phys 63(2):577-583, 10/2005. PMID: 16168849.
75. Nelson C, Starkschall G, Balter P, Fitzpatrick MJ, Antolak JA, Tolani N, Prado K. Respiration-correlated treatment delivery using feedback-guided breath hold: a technical study. Med Phys 32(1):175-181, 1/2005. PMID: 15719968.
76. Fitzpatrick MJ, Starkschall G, Balter P, Antolak JA, Guerrero T, Nelson C, Keall P, Mohan R. A novel platform simulating irregular motion to enhance assessment of respiration-correlated radiation therapy procedures. J Appl Clin Med Phys 6(1):13-21, 2005. e-Pub 1/2005. PMID: 15770194.
77. Cho SH, Lowenstein JR, Balter PA, Wells NH, Hanson WF. Comparison between TG-51 and TG-21: Calibration of photon and electron beams in water using cylindrical chambers. J Appl Clin Med Phys 1(3):108-115, 2000. PMID: 11674825.
78. Henschke CI, Saint-Louis LA, Balter S, Sarkar SD, Balter P, Whalen JP. Optimizing radiologic costs in the DRG environment. Invest Radiol 25(2):194-9, 2/1990. PMID: 2107152.

Abstracts

1. Nitsch P, Robertson D, Balter P. A Comparison of a 2.5MV Imaging Beam to KV and 6MV Imaging Beams. Med Phys 42(6):3266, 6/2015. PMID: 26127405.
2. Lewis D, Wang X, Gao S, Nitsch P, Pollard J, Sadagopan R, Balter P. A Dosimetric Comparison of Two Treatment Setups for Lung Stereotactic Body Radiation Therapy (SBRT) Patients. Med Phys 42(6):3336, 6/2015. PMID: 26127692.
3. Fave X, Fried D, Zhang L, Yang J, Balter P, Followill D, Gomez D, Jones A, Stingo F, Court L. A Phantom Study to Assess the Variability in Radiomics Features Extracted From Cone-Beam CT Images. Med Phys 42(6):3214, 6/2015. PMID: 26127193.
4. Faught JT, Johnson J, Stingo F, Kry S, Court L, Balter P, Followill D. An FMEA Survey of Intensity Modulated Radiation Therapy (IMRT) Step and Shoot Dose Delivery Failure Modes. Med Phys 42(6):3355, 6/2015. PMID: 26127770.
5. Zhou R, Yang J, Pan T, Milgrom S, Pinnix C, Shi A, Yang J, Liu Y, Nguyen Q, Gomez D, Dabaja B, Balter P, Court L, Liao Z. Atlas Development for Cardiac Automatic Contouring Using Multi-Atlas Segmentation. Med Phys 42(6):3294, 6/2015. PMID: 26127520.
6. Faught JT, Balter P, Johnson J, Kry S, Court L, Stingo F, Followill D. Clinical Impact of IMRT Failure Modes at Or Near TG-142 Tolerance Criteria Levels. Med Phys 42(6):3372, 6/2015. PMID: 26127844.
7. Gao S, Balter P, Wang X, Sadagopan R, Pollard J. Detection of the Photon Target Damage in Varian Linac Based On Periodical Quality Assurance Measurements. Med Phys 42(6):3389, 6/2015. PMID: 26127913.
8. Yang J, Balter P, Court L. Evaluation of Automatic Segmentation of Critical Structures for Head-And-Neck and Thoracic Radiotherapy Planning. Med Phys 42(6):3591, 6/2015. PMID: 26128823.
9. Gao S, Balter P, Rose M, Simon W. Qualification of a 2D Ionization Chamber Array for Beam Steering and Profile Measurement. Med Phys 42(6):3484, 6/2015. PMID: 26128307.
10. Balter P. Radiation Therapy Databases. Med Phys 42(6):3737, 6/2015. PMID: 26129573.
11. Yang J, Zhang L, Zhang Y, Dong L, Balter P, Court L. Solving the Chinese Postman Problem for Effective Contour Deformation. Med Phys 42(6):3289, 6/2015. PMID: 26127500.
12. Fave X, Fried D, Zhang L, Yang J, Balter P, Followill D, Gomez D, Jones A, Stingo F, Court L. Volume-Dependence of Quantitative Imaging Features From CT and CE-CT Images of NSCLC. Med Phys 42(6):3321, 6/2015. PMID: 26127632.
13. Ohrt J, Balter P, Court L, Gillin M. IMRT QA using R&V data, treatment records, and a second treatment planning system. Med Phys 39:3598, 2012.
14. Aristophanous M, Balter P, Martel M, Murray N, Court L. LINAC commissioning measurements utilizing the cylindrical arc check phantom. Med Phys 39:3745, 2012.
15. Zhang Y, Yang J, Zhang L, Court L, Balter P, Dong L. Prediction of respiratory motion from single daily 3D image using prior model of motion and anatomic variations. Med Phys 39:4018, 2012.
16. Zhang L, Court L, Balter P, Dong L. Validation of 3d structure projection onto 2D DRR in commercial treatment planning systems. Med Phys 39:3664, 2012.
17. Kulkarni DP, Chung H, Balter PA, Court LE, Dong L, Komaki R, Chang J, Lin S. Assessing the Frequency, Magnitude, and Clinical Predictors of Tumor Misalignment when Skeletal Alignment is used Alone for Radiation Treatment Setup in Lung Cancer Patients. Int J Radiat Oncol Biol Phys 81(2), 2011.
18. Chung H, Lin S, Court L, Dong L, Balter P. Evaluation of dose variation to normal and critical structures for lung hypofractionated stereotactic body radiation therapy. Med Phys 38:3711, 2011.
19. Balter P, Lindsay P, Kudchadker RJ, Nelson C, Briere T, Vedam S, Komaki RR, Mohan R. A Comparison of a Point Based Tool with An Image Overlay Tool for Fiducial Based Setup. Joint Imaging - Therapy Physics, 2007.
20. Liu RR, Prado K, Wu R, Balter P. A CT Daily Quality Assurance On-Couch Procedure and Phantom in Radiation Oncology. Imaging Physics, 2007.
21. Sadagopan R, BenComo Jr J, Martin R, Balter P, Vedam S, Nilsson G. Characterization, Commissioning and Evaluation of DELTA4 IMRT QA System. Therapy Physics, 2007.
22. Lindsay P, Choi B, Bucci MK, Zhang L, Dong L, Kudchadker RJ, Zhu XR, Balter P. Comparison of Image Registration Tools Used for Daily KV Imaging Based Patient Set-Up. Joint Imaging - Therapy Physics, 2007.
23. Tsunashima Y, Vedam S, Dong L, Umezawa, M, Balter P, Mohan R. Determining Optimal Respiratory Gating Parameters for Passively Scattered Synchrotron Based Proton Irradiation. Therapy Physics, 2007.
24. Lindsay P, Briere T, Balter P, Sadagopan R, Starkschall G, Zhu XR, Beddar S. Effect of Respiratory Gating On the Dose Distributions of Dynamic Wedge and IMRT Treatment Fields. Therapy Physics, 2007.
25. Choi B, Ezhil M, Balter P, Zhang L, Starkschall G. Generation of An ITV From a 4DCT Dataset with Automatic Rigid Image Registration. Joint Imaging - Therapy Physics, 2007.
26. Nelson C, Balter P, Choi B, Vedam S, Lindsay P, Kudchadker RJ, Briere T, Chang JY, Morice RC, Starkschall G. Improvement in the Daily Alignment of Mobile Lung Tumors Using Implanted Fiducials. Joint Imaging - Therapy Physics, 2007.
27. Balter P. Measurement of Delays Between Gating Signals and Beam-On for Imaging, Static and Dynamic Treatments. Joint Imaging - Therapy Physics, 2007.
28. Sadagopan R, Balter P, Hunjan S. Prediction of Patient Treatment (couch) Coordinate Based on Treatment Planning CT Image. Therapy Physics, 2007.
29. Vassiliev O, Kry S, Chang JY, Balter P, Titt U, Mohan R. Stereotactic Radiotherapy for Lung Cancer Using Flattening Filter Free Accelerator. Therapy Physics - Tx Planning and Delivery, 2007.
30. Briere T, Krishnan S, Dong L, Balter P, Nelson C, Starkschall G, Beddar S. Tumor Motion and the Effect of Gated Set-Up on the Treatment of Liver Tumors. Joint Imaging - Therapy Physics, 2007.
31. Nelson C, Balter P, Lindsay P, Briere T, Vedam S, Morice RC, Komaki RR, Starkschall G. Uncertainties in Respiratory Gating for Lung Tumors. Joint Imaging - Therapy Physics, 2007.
32. Starkschall G, Desai N, Balter P, Prado K, Luo D, Cody D, Pan T. Assessment of Four-Dimensional CT Image acquisition Quality. Medical Physics 33:1986-1987, 2006.
33. Briere T, Jhaveri P, Krishnan S, Crane C, Balter P, Gillin M, Mohan R, Beddar A. Breath Coaching with Visual Feedback for End-Expiratory Gated Radiotherapy. Medical Physics 33:2075, 2006.
34. Zhu XR, Zhang L, Kudchadker R, Wu R, Balter P, Mohan R, Gillin M, Dong L. Clinical Implementation of Cone-Beam CT for Image-Guided Radiation Therapy. Medical Physics 33:2268, 2006.
35. Kainz K, Liu H, Balter P, Titt T, Hunjan S, Prado K, Liao Z. Feasibility of a Feedback-Guided Breath-Hold Technique for Thoracic Radiation Therapy. Medical Physics 33:2035, 2006.
36. Choi B, Balter P, Dong L, Mohan R, Starkschall G. Open GL based 2D-3D Registration of a CT Image Dataset With OBI Images. Medical Physics 32:2161, 2006.
37. Chi PC, Balter P, Luo D, Mohan R, Pan T. Relation of external surface to internal tumor motion studied with cine CT. Med Phys 33(9):3116-3123, 2006. PMID: 17022203.
38. Briere T, Krishnan S, Dong L, Balter P, Crane C, Mohan R, Gillin M, Beddar A. Respiratory Gating in the Treatment of Liver Tumors. Medical Physics 33:2134, 2006.
39. Liu H, Wang X, Murshed H, Stevens C, Guerrero T, Balter P, Prado K, Liao Z, Chang J, Komaki R, Cox J, Mohan R. Clinical Implementation of IMRT for Lung Cancer. Medical Physics 32:2102-2103, 2005.
40. Starkschall G, Fitzpatrick M, Balter P, Stevens C, Mohan R. Determination of Displacement Binning Points for Four-Dimensional CT Image Acquisition. Medical Physics 32:1922, 2005.
41. Kang Y, Zhang X, Wang H, Chang J, Liao Z, Komaki R, Cox J, Mohan R, Rosen I, Prado K, Balter P, Liu H, Dong L. Proton Treatment Planning for Mobile Lung Tumor. Medical Physics 32:2144, 2005.
42. Chi P, Pan T, Balter P, Luo D, Mohan R. Using CT Cine Data as an Alternative Method for Respiratory Phase Analysis and a Potential Method for Tumor Motion Study. Medical Physics 32:1927, 2005.
43. Alverez P, Molineu A, Hernandez N, Followill D, Balter P, Hanson W, Ibbott G. Anthropomorphic Phantoms for Quality Assurance in Radiation Therapy. Medical Physics 31:1732, 2004.
44. Hunjan S, Tolani N, Sadagopan R, Balter P, Bloch C, Prado K. Measurement of Patient Compliance During Breath-Hold Imaging for ITV Determination. Medical Physics 31:1900, 2004.
45. Fitzpatrcik MJ, Starkschall G, Balter P, Pan T, Antolak J, Guerrero T, Stevens C. Quality Assurance of Four-Dimensional CT Image Acquisition. Medical Physics 31:1780, 2004.
46. Nelson C, Starkschall G, Antolak J, Balter P, Fitzpatrick MJ, Tolani N, Prado K. Respiratory Correlated Treatment Delivery Using Feedback-Guided Breath Hold. Medical Physics 31:1915, 2004.
47. Balter P, Luo D, Chi P, Choi B, Dong L, Hunjan S, Mohan R, Pan T, Zhang L, Prado K. A Comparison of 4DCT with Breath-Hold CT for Determination of Tumor Motion with Respiration. Medical Physics 30:1919, 2003.
48. Pan T, Mawlawi O, Nehmeh S, Erdi y, Luo D, Liu H, Hunjan S, Balter P, Prado K, Mohan R, Macapinlac H. A New Method for Improving PET and CT Registration in the Thorax on PET/CT. Medical Physics 30:1943, 2003.
49. Shoales J, Followill D, Ibbott G, Balter P, Tolani N. Development of An Independent Audit Device for Remote Verification of 4D Radiotherapy. Medical Physics 30:2138, 2003.
50. Kappadath S, Shaw, C, Liu X, Lai C, Balter P, Whitman G. Dual-Energy Digital Mammography for Calcification Imaging Implementation Under Narrow-Beam Geometry. Medical Physics 30:1455, 2003.
51. Fitzpatrick M, Starkschall G, Balter P, Pan T. How to Explore Alternative 4D CT Image Binning. Medical Physics 30:1924, 2003.
52. Liu H, Wei X, Jang S, Jauregui M, Dong L, Balter P, Luo D, Pan T, Hunjan S, Starkschall G, Rosen I, Prado K, Liao Z, Chang J, Komaki R, Mohan R. Impact of Respiratory Motion On Dose Distributions and DVHs of Thoracic Structures - Evaluation Using 4DCT. Medical Physics 30:1924, 2003.
53. Choi B, Balter P, Chi P, Zhang L, Dong L, Mohan R, Cox J, Komaki R, Liu H. Quantification of 4DCT Determined Lung Tumor Motion Based On Image Registration. Medical Physics 30:1926, 2003.
54. Balter P, Shaw C, Kappadath SC, Liu X, Lai CJ. Scanning Equalization Digital Radiography (SEDR)- a Study of Noise and Scanner Properties Based On Spot Collimated Images and Noise Simulation. Medical Physics 30:1390, 2003.
55. Nelson A, Balter P, Hanson W, Ibbott G. Experience with an IMRT Head and Neck QA Phantom. Medical Physics 29:1366, 2002.
56. Balter P, Kappadath S, Liu X, Shaw C. Noise Simulation for Studying the Effects of Scanning Geometries and Equalization Schemes in Scan Exposure-Equalization Digital radiography (SEDR). Medical Physics 29:1343, 2002.
57. Shaw C, Sabloff B, Liu x, Rong J, Munden R, Truong M, Gladish G, Balter P, Lai C. Scanning Exposure-Equalization Digital Radiography (SEDR)- Effects of Exposure Equalization on Lung Nodule Detection in Simulated SEDR Images. Medical Physics 29:1343, 2002.
58. Nelson A, Balter P, Hanson W, Ibbott G,. Use of an Amorphous Silicon Electronic Portal Imaging Device foe Dynamic Multileaf Collimator Quality Assurance. Medical Physics 29:1366, 2002.
59. BenComo JA, Followill DS, Cho SH, Balter P, Tailor RC, Lowenstein JL, Hernandez N, Hanson WF. Comparison of On-site and Off-site Evaluations of Dosimetry Data. Proceedings of the 2000 World Congress on Medical Physics and Biomedical Engineering TU-FXH:45, 7/2000.
60. Cho SH, Tailor RC, Balter P, Hanson WF. Determination of the Radial Dose Distribution at Proximal Distances from a High Dose Rate (HDR) 192Ir source using Radiochromic Film. Proceedings of the 2000 World Congress on Medical Physics and Biomedical Engineering MO-E:309-6, 7/2000.
61. Lowenstein JR, Balter P, Followill DS, Hanson WF. Implementation of TG-51: Practical Considerations. Proceedings of the 2000 World Congress on Medical Physics and Biomedical Engineering TH-CXH:37, 7/2000.
62. Balter PA, Aguirre JF, Hanson WF. Practical Considerations for the Calibration of Low Energy/Low Activity Seeds. Proceedings of the 2000 World Congress on Medical Physics and Biomedical Engineering TH-FXH:15, 7/2000.
63. Balter P, Stovall M, Hanson WF. An anthropomorphic head phantom for remote monitoring of stereotactic radiosurgery at multiple institutions. Medical Physics 26:1164, 1999.
64. Tailor RC, Balter P, Hanson WF. Over-estimation of Pion using the conventional Boag two-voltage technique. Medical Physics 25:A193, 1998.
65. Stovall M, Balter P, Hanson WF, Cole A. Quality Audit Of Radiosurgery Dosimetry Using Mailed Phantoms. Medical Physics 22:1009, 1995.
66. Balter P, Hanson WF, BenComo JA. The Development of A Mailable Phantom for Remote Quality Audit of Stereotactic Radiosurgery. Medical Physics 22:979, 1995.
67. Kirby TH, Rakowski J, Umeh R, Lancaster L, Balter P. Determination of Photon Beam Parameters Required for Irregular Field Isodose Algorithms. Medical Physics 18:640, 1991.

Manuals, Teaching Aids, Other Teaching Publications

1. Balter P. How to utilize the TG-51 Calibration Protocol, educational video. http://RPC.MDANDERSON.ORG, 2000.

Grant & Contract Support

Title: The Radiation Planning Assistant for Radiation Therapy Planning in Low and Middle Counties
Funding Source: NIH/NCI
Role: Co-Investigator
Principal Investigator: Laurence Court
Duration: 9/1/2015 - 8/31/2020
 
Title: Advanced volumetric imaging and adaptive radiotherapy for detecting and correcting for inter-fractional changes
Funding Source: Cancer Prevention & Research Institute of Texas (CPRIT)
Role: Principal Investigator-MDACC
Duration: 7/1/2011 - 6/30/2016
 
Title: Research in 4-DCT Simulation and CT Perfusion
Funding Source: Philips Medical System
Role: Principal Investigator
Duration: 3/1/2011 - 2/28/2013
 
Title: Optimizing Proton Radiation Therapy
Funding Source: NIH/NCI
Role: Co-Investigator
Principal Investigator: Thomas DeLaney
Duration: 9/25/2008 - 7/31/2013
 
Title: International Randomized Study to Compare Cyberknife Stereotactic Radiosurgery with Surgical Resection in Stage 1 NSCLC
Funding Source: Accuray
Role: Physics PI
Principal Investigator: Jack Roth
Duration: 2008 - 2013
 
Title: Northern Illinois Proton Treatment and Research Center
Funding Source: Department of Defense (DOD)
Role: Collaborator
Principal Investigator: Wayne D. Newhauser
Duration: 2008 - 2009
 
Title: Research in 4-D Radiation Therapy
Funding Source: Phillips
Role: Collaborator
Principal Investigator: Radhe Mohan
Duration: 4/2/2004 - 3/10/2010

Last updated: 8/20/2015