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Karl L Prado
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Karl L Prado Ph.D.

Academic Title: Professor
Primary Appointment: Radiation Oncology
kprado@umm.edu
Location: UMMC, Gudelski, GGJ-06
Phone: (410) 328-1682
Fax: (410) 328-2618

Personal History:

Dr. Karl Prado received his PhD from the University of Oklahoma Health Sciences Center, in Oklahoma City, OK. Dr. Prado joined the University of Maryland School of Medicine in 2009. He joined us from The University of Texas M.D. Anderson Cancer Center, in Houston, TX.

Research Interests:

  • Multi-modality functional information into treatment planning
  • Developing techniques to assess treatment response
  • Motion Management
  • Advanced treatment delivering technique

Clinical Speciality:

  • Recognized Medical Physicist possessing significant clinical experience:
    • American Board of Radiology (ABR) certified since 1987
    • Awarded American College of Radiology Fellowship in 2009
    • Awarded American Association of Physicists in Medicine Fellowship in 2012
  • Technical leadership in the establishment of the Radiation Oncology practices
  • Implementation of new clinical technologies:
    • 4DCT and Stereotactic Body Radiotherapy (SBRT) introduced at MD Anderson Cancer Center
  • Optically-Stimulated Luminescence Dosimetry introduced at University of Maryland
  • Proven clinical project management skills:
    • Establishment of Central Maryland Radiation Oncology Center (CMRO), and
    • Expansion of radiation oncology practice at Baltimore Washington Medical Center (BWMC)
  • Strengths in Quality Management and Quality Improvement:
    • Established strong quality management programs at multiple institutions
    • Awarded Quality Management Award in 1995, and Outstanding Leadership Award - Clinical Service in 2005

Publications:

Book Chapters

Prado KL, Prado CM. Photon-Beam Dose Distributions and Treatment Planning. In:  Principles and Practice of Radiation Therapy. 2nd Ed(s) CM Washington and DT Leaver. Mosby, Inc.: St. Louis, 2004.

Prado KL, Stakschall G, Mohan R. 3D Conformal Radiation Therapy. In: Treatment Planning in Radiation Oncology. 2nd Ed(s) Khan FM and Potish RA. Williams and Wilkins: Baltimore, 2007

Prado KL, Prado CM. Photon-Beam Dose Distributions and Treatment Planning. In:  Principals and Practice of Radiation Therapy, 3rd Ed(s) CM Washington and DT Leaver. Mosby, Inc.: St. Louis 2010

Prado KL, Starkschall G, Mohan R. 3D Conformal Radiation Therapy. In: Treatment Planning in Radiation Oncology, 3rd Ed. Khan FM and Potish RA, Editors. Williams and Wilkins: Baltimore, 2011.

Prado KL, Demopoulos PJ, Francis ME. Medical Radiation Protection: Principles and Practice. In: Core Curriculum for Radiologic and Imaging Nursing, 3rd Ed. KA Gross, Editor. Association for Radiologic and Imaging Nursing (ARIN), Pensacola, (In press) 2012.

Selected Recent Journal Articles

Marcial VA, Santiago-Delpin EA, Lanaro, AE, Castro-Vita H, Arroyo G, Moscol JA, Gomez C, Velazquez J, Prado KL. Radiation Induced Liver Damage, In Radiobiological Research and Radiotherapy. Proceedings of the International Symposium of Radiobiological Research, edited by the International Atomic Energy Agency (IAEA), Vienna, Austria, 1977.

Prado KL, Anderson DW. Photonuclear Activation Ratios in Fluorine Compounds: An Index of Bremsstrahlung Quality. Med Phys 11(4):474-479, 1984.

Anderson DW, Prado KL. Measurement of Yield and Cross Section for the Al-27 (γ, 2p) Na-25 Reaction with a Clinical Accelerator. Int J Appl Radiat Isot 36(9):721-725, 1985.

Prado KL, Rakowski JT, Barragan F, Vanek KN. Breast Radiation Dose in Film/Screen Mammography. Health Phys 55(1):81-83, 1988.

Lewis CC, Prado KL. A Quest for Accuracy and Reproducibility: Design of a Simulation Record. Med Dosim 17(1):37-42, 1992.

Prado KL, Royce DL. Asymmetric Field Calculations. Medical Dosimetry 17(2):95-99, 1992.

Pacyna LG, Darby M, Prado K. Use of Thermoluminescent Dosimetry to Verify Dose Compensation in Total Body Irradiation. Med Dosim 22:319-324, 1997.

Prado KL, Nelson SJ, Nuyttens JJ, Williams TE, Vanek KN. Clinical implementation of the AAPM Task Group 36 recommendations on fetal dose from radiotherapy with photon beams: a head and neck irradiation case report. J Appl Clin Med Phys 1(1):1-7, 2000.

Kirsner SM, Prado KL, Tailor RC, Bencomo JA. Verification of the accuracy of 3D calculations of breast dose during tangential irradiation: measurements in a breast phantom. J Appl Clin Med Phys 2(3):149-156, 2001.

Nuyttens JJ, Prado KL, Jenrette JM, Williams TE. Fetal dose during radiotherapy: clinical implementation and review of the literature. Cancer / Radiothérapie 6:352-357, 2002.

Kirsner SM, Kudchadker RJ, Prado K, Ha CS, Wilder RB, Cox JD. Clinical implications of incorporating heterogeneity corrections in mantle field irradiation. Int J Radiat Oncol Biol Phys 55(4):1135-1142, 2003.

Prado KL, Kirsner SM, Erice RC. Corrections to traditional methods of verifying tangential-breast 3D monitor-unit calculations: use of an equivalent triangle to estimate effective fields. J Appl Clin Med Phys 4(1):51-57, 2003.

Prado KL, Kirsner SM, Kudchadker RJ, Steadham RE, Lane RG. Enhanced Dynamic Wedge factors at off-axis points in asymmetric fields. J Appl Clin Med Phys 4(1):75-84, 2003.

Zhu XR, Prado KL, Liu HH, Guerrero TM, Jeter M, Liao Z, Rice D, Forster K, Stevens CW. Intensity Modulated Radiation Therapy for Mesothelioma: Impact of multileaf collimator leaf width and pencil-beam size on planning quality and delivery efficiency. Int J Radiat Oncol Biol Phys 62(5):1525-1534, 2005.

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, 2005.

Briere TM, Lii J, Prado K, Gillin MT, Sam Beddar A. Single-use MOSFET radiation dosimeters for the quality assurance of megavoltage photon beams. Phys Med Biol 51:1139-1144, 2006.

Davidson SE, Ibbott GE, Prado K, Dong L, Liao Z, Followill DS. Accuracy of two heterogeneity dose calculation algorithms for IMRT in treatment plans designed using an anthropomorphic thorax phantom. Med Phys 34(5):1850-1857, 2007.

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 respiratory-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):531-540, 2007.

Beddar AS, Kainz K, Briere TM, Tsunashima Y, Pan T, Prado K, Mohan R, Gillin M, Krishnan S. Correlation between internal fiducial tumor motion and external marker motion for liver tumors imaged with 4D-CT. Int J Radiat Oncol Biol Phys 67(2):630-638, 2007.

Zullo J, Kudchadker R, Wu R, Lee A, and Prado K. Implication of CT table sag on geometrical accuracy during virtual simulation. Medical Dosimetry 32(4):233-236, 2007.

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), 2007.

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):34-42, 2008.

Liu R, Prado K, Cody D. Optimal acquisition parameter selection for CT Simulators in radiation oncology. J Appl Clin Med Phys 9(4):151-160, 2008.

Briere T, Tailor R, Tolani N, Prado K, Lane R, Woo S, Ha C, Gillin M, and Beddar A. Patient   dosimetry for total body irradiation using single-use MOSFET detectors. J Appl Clin Med Phys.   9(4):200-205, 2008.

Liu R, Prado K, Gillin M. Simplified “on-couch” daily quality assurance procedure for CT simulators. J Appl Clin Med Phys 10(3): 49-55, 2009.

Zhang S, Liensawangwong P, Lindsay P, Prado K, Sun T, Steadham R, Wang X, Salehpour M, Gillin M. Clinical implementation of electron energy changes of Varian linear accelerators. J Appl Clin Med Phys. 10(4):177-187, 2009.

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):1586-1591, 2010.

Arjomandy B, Tailor R, Anand A, Sahoo, N, Gillin M, Prado K, Vicic M. Energy dependence and dose response of Gafchromic EBT2 film over a wide range of photon, electron, and proton beam energies. Med Phys 37(5): 1942-1947, 2010.

Homann KL, Gates BE, Salehpour M, Followill DS, Kirsner SM, White RA, Buchholz TA, Prado KL. Use of a matchline dosimetry analysis tool (MDAT) to quantify dose homogeneity in the region between abutting tangential and supraclavicular radiation fields. J Appl Clin Med Phys.   11(4):206-221, 2010.

Nichols R, Huh S, Prado K, Yi B, Sharma N, Ho M, Hoppe B, Mendenhall N, Li Z, Regine W. Protons offer reduced normal-tissue exposure for patients receiving postoperative radiotherapy for resected pancreatic head cancer. Int J Radiat Oncol Biol Phys 83(1):158-163, 2012.

Kazi AM, MacVittie TJ, Lasio G, Lu W, Prado KL. The MCART Radiation Physics Core: The Quest for Radiation Dosimetry Standardization. Health Physics 106(1): 97-105, 2014.

Chung H, Prado KL, Yi BY. An Analytical Formalism to Calculate  Phantom Scatter Factors for Flattening Filter Free (FFF) Mode Photon Beams. Br Journal Radiol 59: 951-960, 2014