Paola E. Alvarez, M.S.
Department of Radiation Physics, Division of Radiation Oncology - Clinical
Present Title & Affiliation
Primary Appointment
Senior Medical Physicist, Radiation Physics Outreach, Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
Dual/Joint/Adjunct Appointment
Senior Medical Physicist, Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX
Education & Training
Degree-Granting Education
| 1997 | Universidad de Buenos Aires, Buenos Aires, AR, Science, BS/MS |
Postgraduate Training
| 2024-2024 | Applied Measurement Uncertainty for Calibration Laboratories, Quality Assurance, A2LA WorkPlace Training, Frederick, Maryland |
| 2024-2024 | Introduction to Measurement Uncertainty, Quality Assurance, A2LA WorkPlace Training, Frederick, Maryland |
| 2021-2021 | Improving the Corrective Action Process, American Association for Laboratory Accreditation, Frederick, Maryland |
| 2020-2020 | Understanding ISO/IEC 17025:2017 for Testing and Calibration Laboratories, American Association for Laboratory Accreditation, Frederick, Maryland |
| 2019-2019 | Understanding ISO/IEC 17025:2005, Canadian Association for Laboratory Accredidation Inc, Ottawa |
| 2010-2010 | QA & Dosimetry Symposium, Sun Nuclear Corporation, Orlando, Florida |
| 2004-2004 | Intensity Modulated Radiation Therapy: Principles and Practices, The University of Texas M. D. Anderson Cancer Center, Houston, Texas |
| 2000-2000 | Introduction to Radiotherapy Physics: Principles and Calibration, The University of Texas M. D. Anderson Cancer Center, Houston, Texas |
| 2000-2000 | External Beam Dosimetry: Basic Methods and Calculations, The University of Texas M. D. Anderson Cancer Center, Houston, Texas |
| 2000-2000 | Quality Assurance Program in Radiotherapy and Diagnostic Radiology, Radiological Physics Center, Department of Radiation Physics, The University of Texas M. D. Anderson Cancer Center, Houston, Texas |
| 1998-1998 | Regional Course of Dosimetry and Treatment Planning in Radiotherapy, International Atomic Energy Agency / Instituto Nacional de Investigaciones Nucleares Mexico / Atomic Energy Agency / Instituto Nacional de Investigaciones Nucleares Mexico / Instituto Nacional de Cancerología,, Buenos Aires |
| 1997-1997 | Physics in Radiotherapy, Comisión Nacional de Energia Atómica Argentina, Buenos Aires |
| 1997-1997 | Dosimetry in Radiotherapy, Comisión Nacional de Energia Atómica Argentina, Buenos Aires |
| 1997-1997 | Internship/Residency in Dosimetry and Physics in Radiotherapy, Hospital de Oncologia Maria Curie CNEA, Buenos Aires |
Licenses & Certifications
| 2015 | Medical Physicist License awarded by the Texas Medical Board |
| 2015 | The American Board of Radiology |
Experience & Service
Faculty Academic Appointments
Medical Physicist, Radiation Physics, The University of Texas M. D. Anderson Cancer Center, Houston, TX, 2015 - 2018
Junior Medical Physicist, Radiation Physics, The University of Texas M. D. Anderson Cancer Center, Houston, TX, 2002 - 2015
Physicist, Department of Physics, Universidad Nacional de General San Martín, Buenos Aires, 1997 - 2002
Fellowship, Secondary Standard Dosimetry Laboratory-CAE, Ezeiza, Comision Nacional de Energia Atomica, Buenos Aires, 1996 - 2002
Assistant Instructor, Department of Physics, Universidad Nacional de Buenos Aires – Ciudad Universitaria, Buenos Aires, 1989 - 1997
Other Professional Positions
Member, The Radiosurgery Society QA Subcommittee, San Jose, CA, 2021 - Present
Member, Latin American Affair Subcommittee, College Park, MD, 2016 - Present
Member, Representative from IROC Houston QA Office, Calibration Laboratory Accreditation Subcommittee, College Park, MD, 2013 - Present
Member, TG-235 Radiochromic Film Dosimetry: An update to TG-55, College Park, MD, 2012 - Present
Member, TG-191 AAPM Recommendations on the Clinical Use of Luminescent Dosimeters, College Park, MD, 2009 - Present
Member, TG-178 Gamma Stereotactic Radiosurgery Dosimetry and Quality Assurance, College Park, MD, 2008 - Present
Member, American Society of Radiation Oncology, Fairfax, VA, 2007 - Present
Member, American Association of Physicists in Medicine, College Park, MD, 2003 - Present
Selected Presentations & Talks
Local Presentations
- 2008. A comparison of heterogeneity correction algorithms. Conference. A comparison of heterogeneity correction algorithms. Houston, TX, US.
Regional Presentations
- 2007. A comparison of heterogeneity correction algorithms within a lung PTV. Conference. A comparison of heterogeneity correction algorithms within a lung PTV. Minneapolis, MN, US.
- 2006. Evaluation of heterogeneity corrections algorithms through the irradiation of a lung phantom. Conference. Evaluation of heterogeneity corrections algorithms through the irradiation of a lung phantom. Orlando, FL, US.
International Presentations
- 2019. Evaluation of the irradiation of the anthropomorphic liver phantom with photon beam. Conference. Evaluation of the irradiation of the anthropomorphic liver phantom with photon beam. Santiago de Chile, CL.
- 2016. End to End Test - M. D. Anderson - IROC Experience. Conference. End to End Test - M. D. Anderson - IROC Experience. Cordoba, AR.
- 2016. Comisionamiento sistema OSLD. Conference. Comisionamiento sistema OSLD. Cordoba, AR.
- 2016. Auditorías IROC en SRS y SBRT. Conference. Auditorías IROC en SRS y SBRT. Cordoba, AR.
- 2013. Verificación de tratamientos en pulmón a traves del uso de fantoma antropomorfo. Conference. 4to Congreso de Radioquimioterapia Oncologica y VI Jornadas de Radioterapia, Braquiterapia y Fisica Medica. Cordoba, AR.
- 2013. Sistema de Auditoría externa OSLD/TLD. Conference. 4to Congreso de Radioquimioterapia Oncologica y VI Jornadas de Radioterapia, Braquiterapia y Fisica Medica. Cordoba, AR.
- 2009. Curso refresco: Dosimetria filmica y TLD. Conference. 2do Congreso de Radioquimioterapia Oncologica y IV Jornadas de Radioterapia, Braquiterapia y Fisica Medica. Cordoba, AR.
- 2009. Verificacion de Tratamientos de Alta Complejidad. Conference. 2do Congreso de Radioquimioterapia Oncologica y IV Jornadas de Radioterapia, Braquiterapia y Fisica Medica. Cordoba, AR.
- 2009. Nuevas tendencias y protocols en aspectos de calibracion. Conference. 2do Congreso de Radioquimioterapia Oncologica y IV Jornadas de Radioterapia, Braquiterapia y Fisica Medica. Cordoba, AR.
- 2007. Programa de Acreditacion para tratamientos de alta tecnologica (IMRT, SBRT, SRS) a traves de fantomas antropomorfos. Conference. 1er Congreso de Radioquimioterapia Oncologica y IV Jornadas de Radioterapia, Braquiterapia y Fisica Medica. Cordoba, AR.
- 2007. Programa de Garantia de Calidad en Radioterapia para participantes en protocolos de tratamiento del Nacional Cancer Institute. Conference. 1er Congreso de Radioquimioterapia Oncologica y IV Jornadas de Radioterapia, Braquiterapia y Fisica Medica. Cordoba, AR.
- 2003. "5to Curso de Educación Continua:"Dosimetría física, protocolo IAEA TRS 398 y garantía de calidad en radioterapia externa"". Conference. Facultad de Medicina. Nuevo León, MX.
- 1998. Participación del centro regional de referencia para dosimetría de la CNEA en la intercomparación regional de dosimetría personal para América Latina y en el programa de la república Argentina. Conference. VI Argentine. Buenos Aires, AR.
- 1998. Programa de auditorías de dosis en radioterapia utilizando dosimetría termoluminiscente. Conference. VI Argentine Congress in Radiation Protection and Nuclear Security. Buenos Aires, AR.
- 1998. La trazabilidad de instrumentos y medicoines en el sistema de la calidad de laboratorios de calibración y ensayo. Conference. VI Argentine Congress in Radiation Protection and Nuclear Security. Buenos Aires, AR.
- 1998. Respuesta del Floruro de Litio en Polvo en haces de rayos X y electrones de alta energía – 83,. Conference. National Physics Meeting, Argentine Physics Association. La Plata, AR.
Grant & Contract Support
| Date: | 2020 - 2021 |
| Title: | Imaging and Radiation Oncology Core (IROC) Group - DCP Supplement |
| Funding Source: | American College of Radiology |
| Role: | Co-I |
| Date: | 2019 - 2025 |
| Title: | Imaging and Radiation Oncology (IROC) Core |
| Funding Source: | American College of Radiology |
| Role: | Co-I |
| Date: | 2019 - 2020 |
| Title: | Imaging and Radiation Oncology Core (IROC) Group - DCP Supplement |
| Funding Source: | American College of Radiology |
| Role: | Co-I |
| Date: | 2017 - 2021 |
| Title: | Verification of the Accuracy of the Dose delivered by Radiotherapy Centers to Patients Recruited for the Stereotactic Body Radiation (SBRT) Arm of a Clinical Trial for Hepatocellular Carcinoma Using an end-to-end Quality Assurance Anthropomorphic Liver Phantom |
| Funding Source: | International Atomic Energy Agency |
| Role: | Co-I |
| ID: | E33036/No.20797 |
| Date: | 2014 - 2019 |
| Title: | Imaging and Radiation Oncology Core (IROC) Group |
| Funding Source: | American College of Radiology |
| Role: | Co-I |
| ID: | CA180803 |
| Date: | 2013 - 2014 |
| Title: | Radiological Physics Center-Supplement |
| Funding Source: | NIH/NCI |
| Role: | Co-I |
| ID: | CA10953 |
| Date: | 2012 - 2016 |
| Title: | The Aids Malignancy Clinical Trials Consortium (AMC) Protocol #081: Pilot Study of Safety, Toxicity and Compliance of Concomitant Chemoradiotherapy for HIV-Associated Locally-Advanced Cervical Cancer |
| Funding Source: | NIH/NCI |
| Role: | Co-I |
| ID: | CA121947 |
| Date: | 2011 - 2013 |
| Title: | Radiological Physics Center |
| Funding Source: | NIH/NCI |
| Role: | Co-I |
| ID: | CA10953 |
Selected Publications
Peer-Reviewed Articles
- Taylor, PA, Mehrens, H, Glenn, MC, Brooks, FE, Scott, H, Duan, L, Meyers, T, Rojas, DC, Yang, M, Alvarez, PE, Leif, JL, Molineu, HA, Kry, SF. Reference dosimetry data and machine performance comparison for tomotherapy delivery systems audited by IROC. Journal of applied clinical medical physics 26(12), 2025. e-Pub 2025. PMID: 41253711.
- Sarfehnia, A, Alvarez, PE, Bellon, M, Bouchard, H, Prez, Ld, Dolan, J, Ibbott, G, Malkov, V, Muir, B, Rogers, DW, Asselen, Bv, Wolthaus, JW, Yadav, P. AAPM task group report 351. Medical physics 52(7), 2025. e-Pub 2025.
- Pavord, D, Seuntjens, JP, Alvarez, PE. AAPM should sunset TG-51 and adopt IAEA TRS-398. Medical physics 52(7), 2025. e-Pub 2025. PMID: 40405372.
- Taylor, PA, Mirandola, A, Ciocca, M, Hartzell, S, Magro, G, Alvarez, PE, Peterson, CB, Peeler, CR, Koay, EJ, Howell, RM, Kry, SF. Characterization of LiF TLD-100 in carbon ion beams for remote audits. Medical physics 52(3):1858-1866, 2025. e-Pub 2025. PMID: 39718203.
- Beveridge, S, Alves, A, Hussein, M, Clark, CH, Jornet, N, Viegas, C, Reniers, B, Alvarez, PE, Azangwe, G, Chelminski, K, Dimitriadis, A, Kazantsev, P, Swamidas, J. An international film dosimetry intercomparison to establish a multi-center audit framework. Medical physics 51(12):9071-9087, 2024. e-Pub 2024. PMID: 39316455.
- Scott, H, Alvarez, PE, Howell, RM, Riegel, AC, Sun, R, Liu, K, Kry, SF. Chromatic bleaching and fractionation effects on optically stimulated luminescent dosimeter reuse. Medical physics 51(9):6378-6389, 2024. e-Pub 2024. PMID: 38852196.
- Taylor, PA, Mirandola, A, Ciocca, M, Hartzell, S, Vai, A, Alvarez, PE, Howell, RM, Koay, EJ, Peeler, CR, Peterson, CB, Kry, SF. Technical note. Medical physics 51(7):5154-5158, 2024. e-Pub 2024. PMID: 38598230.
- Taylor, PA, Hartzell, S, Mirandola, A, Ciocca, M, Magro, G, Alvarez, PE, Peterson, CB, Peeler, CR, Koay, EJ, Howell, RM, Kry, SF. OSLD nanoDot characterization for carbon radiotherapy dosimetry. Physics in medicine and biology 69(11), 2024. e-Pub 2024. PMID: 38663410.
- Scott, H, Alvarez, PE, Howell, RM, Riegel, AC, Sun, R, Kry, SF. Lifetime extension of optically stimulated luminescent dosimeters above 10 gy. Radiation Measurements 171, 2024. e-Pub 2024.
- Mehrens, H, Taylor, PA, Alvarez, PE, Kry, SF. Analysis of Performance and Failure Modes of the IROC Proton Liver Phantom. International Journal of Particle Therapy 10(1):23-31, 2023. e-Pub 2023. PMID: 37823015.
- Tyagi N, Subashi E, Michael Lovelock D, Kry S, Alvarez PE, Hunt MA, Lim SB. Dosimetric evaluation of irradiation geometry and potential air gaps in an acrylic miniphantom used for external audit of absolute dose calibration for a hybrid 1.5 T MR-linac system. J Appl Clin Med Phys 23(2):e13503, 2022. e-Pub 2022. PMID: 34914175.
- Mehrens H, Nguyen T, Edward S, Hartzell S, Glenn M, Branco D, Hernandez N, Alvarez P, Molineu A, Taylor P, Kry S. The current status and shortcomings of stereotactic radiosurgery. Neurooncol Adv 4(1):vdac058, 2022. e-Pub 2022. PMID: 35664554.
- Petti PL, Rivard MJ, Alvarez PE, Bednarz G, Daniel Bourland J, DeWerd LA, Drzymala RE, Johansson J, Kunugi K, Ma L, Meltsner SG, Neyman G, Seuntjens JP, Shiu AS, Goetsch SJ. Recommendations on the practice of calibration, dosimetry, and quality assurance for gamma stereotactic radiosurgery: Report of AAPM Task Group 178. Med Phys 48(7):e733-e770, 2021. e-Pub 2021. PMID: 33690912.
- Taylor PA, Alvarez PE, Mehrens H, Followill DS. Failure modes in IROC photon liver phantom irradiations. Pract Radiat Oncol. e-Pub 2020. PMID: 33271351.
- Niroomand-Rad A, Chiu-Tsao ST, Grams MP, Lewis DF, Soares CG, Van Battum LJ, Das IJ, Trichter S, Kissick MW, Massillon-Jl G, Alvarez PE, Chan MF. Report of AAPM Task Group 235 radiochromic film dosimetry: an update to TG-55. Med Phys. e-Pub 2020. PMID: 32990328.
- Edward SS, Alvarez PE, Taylor PA, Molineu HA, Peterson CB, Followill DS, Kry SF. Differences in the patterns of failure between IROC lung and spine phantom irradiations. Pract Radiat Oncol. e-Pub 2020. PMID: 32413413.
- Kry SF, Alvarez P, Cygler JE, DeWerd LA, Howell RM, Meeks S, O'Daniel J, Reft C, Sawakuchi G, Yukihara EG, Mihailidis D. AAPM TG 191: Clinical use of luminescent dosimeters: TLDs and OSLDs. Med Phys 47(2):e19-e51, 2020. e-Pub 2020. PMID: 31574174.
- Wu RY, Williamson TD, Sahoo N, Nguyen T, Ikner SM, Liu AY, Wisdom PG, Lii M, Hunter RA, Alvarez PE, Gunn GB, Frank SJ, Hojo Y, Zhu XR, Gillin MT. Evaluation of the high definition field of view option of a large-bore computed tomography scanner for radiation therapy simulation. Phys Imaging Radiat Oncol 13:44-49, 2020. e-Pub 2020. PMID: 32551371.
- Scarboro SB, Cody D, Stingo FC, Alvarez P, Followill D, Court L, Zhang D, McNitt-Gray M, Kry SF. Calibration strategies for use of the nanoDot OSLD in CT applications. J Appl Clin Med Phys. e-Pub 2018. PMID: 30426664.
- Kry SF, Peterson CB, Howell RM, Izewska J, Lye J, Clark CH, Nakamura M, Hurkmans C, Alvarez P, Alves A, Bokulic T, Followill D, Kazantsev P, Lowenstein J, Molineu A, Palmer J, Smith SA, Taylor P, Wesolowska P, Williams I. Remote beam output audits: a global assessment of results out of tolerance. Phys Imaging Radiat Oncol 7:39-44, 2018. e-Pub 2018. PMID: 31872085.
- Kerns JR, Followill DS, Lowenstein J, Molineu A, Alvarez P, Taylor PA, Kry SF. Reference dosimetry data and modeling challenges for Elekta accelerators based on IROC-Houston site visit data. Med Phys 45(5):2337-2344, 2018. e-Pub 2018. PMID: 29537634.
- Kry SF, Dromgoole L, Alvarez P, Leif J, Molineu A, Taylor P, Followill DS. Radiation therapy deficiencies identified during on-site dosimetry visits by the Imaging and Radiation Oncology Core Houston quality assurance center. Int J Radiat Oncol Biol Phys 99(5):1094-1100, 2017. e-Pub 2017. PMID: 29029890.
- Alvarez P, Kry S, Stingo F, Followill D. TLD and OSLD dosimetry systems for remote audits of radiotherapy external beam calibration. Radiation Measurements 106:412-415, 2017. e-Pub 2017.
- Kerns JR, Followill DS, Lowenstein J, Molineu A, Alvarez P, Taylor PA, Kry SF. Agreement between institutional measurements and treatment planning system calculations for basic dosimetric parameters as measured by the Imaging and Radiation Oncology Core-Houston. Int J Radiat Oncol Biol Phys 95(5):1527-1534, 2016. e-Pub 2016. PMID: 27315667.
- Kerns JR, Followill DS, Lowenstein J, Molineu A, Alvarez P, Taylor PA, Stingo FC, Kry SF. Technical report: Reference photon dosimetry data for Varian accelerators based on IROC-Houston site visit data. Med Phys 43(5):2374, 2016. e-Pub 2016. PMID: 27147349.
- Taylor PA, Kry SF, Alvarez P, Keith T, Lujano C, Hernandez N, Followill DS. Results from the Imaging and Radiation Oncology Core Houston's anthropomorphic phantoms used for proton therapy clinical trial credentialing. Int J Radiat Oncol Biol Phys 95(1):242-248, 2016. e-Pub 2016. PMID: 27084644.
- Drzymala RE, Alvarez PE, Bednarz G, Bourland JD, DeWerd LA, Ma L, Meltsner SG, Neyman G, Jr NJ, Petti PL, Rivard MJ, Shiu A S, Goetsch SJ. A round-robin gamma stereotactic radiosurgery dosimetry interinstitution comparison of calibration protocols. Med Phys 42(11):6745-6756, 2015. e-Pub 2015. PMID: 26520764.
- Scarboro SB, Cody D, Alvarez P, Followill D, Court L, Stingo FC, Zhang D, McNitt-Gray M, Kry SF. Characterization of the nanoDot OSLD dosimeter in CT. Med Phys 42(4):1797-807, 2015. e-Pub 2015. PMID: 25832070.
- Kry SF, Molineu A, Kerns JR, Faught AM, Huang JY, Pulliam KB, Tonigan J, Alvarez P, Stingo F, Followill DS. Institutional patient-specific IMRT QA does not predict unacceptable plan delivery. Int J Radiat Oncol Biol Phys 90(5):1195-1201, 2014. e-Pub 2014. PMID: 25442044.
- Casey KE, Alvarez P, Kry SF, Howell RM, Lawyer A, Followill D. Development and implementation of a remote audit tool for high dose rate (HDR) Ir-192 brachytherapy using optically stimulated luminescence dosimetry. Med Phys 40(11):112102, 2013. e-Pub 2013. PMID: 24320455.
- Kry SF, Alvarez P, Molineu A, Amador C, Galvin J, Followill DS. Algorithms used in heterogeneous dose calculations show systematic differences as measured with the Radiological Physics Center's anthropomorphic thorax phantom used for RTOG credentialing. Int J Radiat Oncol Biol Phys 1(85):e95-100, 2013. e-Pub 2013. PMID: 23237006.
- Followill DS, Kry SF, Qin L, Lowenstein J, Molineu A, Alvarez P, Aguirre JF, Ibbott GS. The Radiological Physics Center's standard dataset for small field size output factors. J Appl Clin Med Phys 13(5):3962, 2012. e-Pub 2012. PMID: 22955664.
- 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):5000-5006, 2009. e-Pub 2009. PMID: 19994509.
- 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, 2009. e-Pub 2009. PMID: 19746777.
- Ibbott GS, Followill DS, Molineu HA, Lowenstein JR, Alvarez PE, Roll JE. Challenges in credentialing institutions and participants in advanced technology multi-institutional clinical trials. Int J Radiat Oncol Biol Phys 71(1):S71-S75, 2008. e-Pub 2008. PMID: 18406942.
Abstracts
- Mehrens H, Lewis B, Lujano C, Nguyen T, Hernandez N, Alvarez P, Molineu A, Followill D. Imaging and Radiation Oncology Core (IROC) Houston QA Center’s anthropomorphic phantom statistics, 2016. e-Pub 2016.
- Molineu A, Kry S, Alvarez P, Hernandez N, Nguyen T, Followill D. IROC Houston and MDAPL SRS anthropomorphic phantom results 43(6):3665, 2016. e-Pub 2016.
- Alvarez P, Molineu A, Lowenstein J, Taylor P, Kry S, Followill D. Independent remote audits for TG-51 non-compliant photon beams performed by the IROC Houston QA Center. Med Phys 43(43):3574, 2016. e-Pub 2016.
- Lee P, Alvarez P, Taylor P, Lowenstein J, Molineu A, Kry S, Followill DS. An analysis of TG-51 electron beam calibration correction factor uncertainty. Med Phys 42(6):3353-3354, 2015. e-Pub 2015.
- Kry S, Dromgoole L, Alvarez P, Lowenstein J, Molineu A, Taylor P, Followill DS. IROC Houston On-Site Audits and Parameters That Affect Performance. Med Phys 42:3692, 2015. e-Pub 2015.
- Drzymala R, Alvarez P, Bednarz G, Bourland J, DeWerd L, Ma L, Meltsner S, Neyman G, Novotny J, Petti P, Rivard M, Shiu A, Goetsch S. A round robin dosimetry intercomparison of gamma stereotactic radiosurgery calibration protocols. Med Phys 42(11):6745-6756, 2015. e-Pub 2015.
- Molineu A, Hernandez N, Alvarez P, Followill DS. Results from multi-institutional measurements with an anthropomorphic spine phantom. Med Phys 42(6):3628, 2015. e-Pub 2015.
- Wen Z, Alvarez P. Feasibility study on using small plastic phantoms for auditing radiation output of MR-Linac systems. Med Phys 42:3313, 2015. e-Pub 2015.
- Alvarez P, Molineu A, Lujano C, Nguyen T Followill DS. An evaluation of multiple irradiations of the IROC Houston QA Center anthropomorphic liver phantom. Med Phys 42:3355, 2015. e-Pub 2015.
- Kry S, Dromgoole L, Alvarez P, Lowenstein J, Molineu A, Taylor P, Followill DS. Common errors and deficiencies in radiation oncology practice. Med Phys 42:3691, 2015. e-Pub 2015.
- Followill DS, Lowenstein J, Molineu A, Alvarez P, Summers P, Kry S. The Radiological Physics Center (RPC): 45 Years of improving radiotherapy dosimetry. Med Phys 41(6):97. e-Pub 2014.
- Alvarez P, Gonzalez S, McDonald L, Followill DS. Evaluation of the MicroSTAR Reader for the OSLD system for remote dosimetry audits at the IROC HQAC. Med Phys 41(6):262. e-Pub 2014.
- Kry S, Alvarez P, Stingo F, Followill DS. Uncertainty analysis for dose measurements using OSLD NanoDots. Med Phys 41(6):394. e-Pub 2014.
- Molineu A, Alvarez A, Kry S, Followill DS. Is it feasible to tighten the criteria for IROC's anthropomorphic phantoms?. Med Phys 41(6):352. e-Pub 2014.
- Kerns J, Alvarez P, Followill DS, Lowenstein J, Molineu A, Summers P, Kry S. Aggregation of linac measurement data. Med Phys 41(6):455. e-Pub 2014.
- Kerns J, Alvarez P, Followill DS, Lowenstein J, Molineu A, Summers P, Kry S. Small field jaw/MLC reference data. Med Phys 41(6):334-335. e-Pub 2014.
- Summers P, Lowenstein J, Jakel O, Prokesch H, Alvarez P, Followill DS. Validation of the use of OSLD for carbon beam remote dosimetry. Med Phys 41(6):344. e-Pub 2014.
- Dhanesar S, Sahoo N, Kerr M, Taylor M, Summers P, Alvarez P, Wu R, Poenisch F, Zhu X, Gillin M. Intensity modulated proton therapy plans with multiple fields for prostate cancer. Med Phys 40(6):297, 2013. e-Pub 2013.
- Alvarez P, Molineu A, Amador C, Nguyen T, Followill DS. Results of irradiations performed on Radiological Physics Center's anthropomorphic lung phantom and respiratory simulating motion table. Med Phys 40:381, 2013. e-Pub 2013.
- Pham C, Alvarez P, Kry SF, Luo D, Stingo F, Followill DS. Characterization of OSLDs for use in small field photon beam dosimetry. Med Phys 40(6):216, 2013. e-Pub 2013.
- Kry SF, Molineu A, Alvarez P, Faught A, Huang J, Kerns J, Pulliam K, Tonigan J, Followill DS. In‐house IMRT QA versus external phantom audit results. Med Phys 40(6):444, 2013. e-Pub 2013.
- Molineu A, Alvarez P, Amador C, Craig T, Gillin M, Followill DS. Initial results from multiple irradiations of an anthropomorphic liver phantom. Med Phys 40(6):299, 2013. e-Pub 2013.
- Bergene J, Kry SF, Molineu A, Bellezza D, Court L, Alvarez P, Johnson V, Followill DS. Development and implementation of the use of Optically Stimulated Luminescent Detectors in the Radiological Physics Center anthropomorphic quality assurance phantoms. Med Phys 39(6):3722, 2012. e-Pub 2012.
- Amador C, Hernandez N, Molineu A, Alvarez P, Followill DS. The Radiological Physics Center's anthropomorphic quality assurance phantom program. Med Phys 39(6):3744, 2012. e-Pub 2012.
- Alvarez P, Aguirre JF, Smith S, Followill DS. Evaluation of the characteristics of TLD LiF:Mg.Ti‐100 powder: A measure of consistency between multiple batches of powder. Med Phys 39(6):3726, 2012. e-Pub 2012.
- Molineu A, Alvarez P, Hernandez N, Yin F, Followill DS. Credentialing results from a spine anthropomorphic phantom. Med Phys 39(6):3996, 2012. e-Pub 2012.
- Followill DS, Lowenstein S, Molineu A, Alvarez P, Aguirre JF, Kry SF, Summers P, Ibbott GS. The Radiological Physics Center: Quality audit program: Where can we improve?. Med Phys 39(6):3866, 2012. e-Pub 2012.
- Scarboro S, Cody D, Followill DS, Alvarez P, McNitt-Gray M, Zhang D, Court L, Kry SF. Investigation of a commercial OSLD system for CT dosimetry. Med Phys 39(6):3924, 2012. e-Pub 2012.
- Lowenstein J, Kry SF, Molineu A, Alvarez P, Aguirre JF, Summers P, Followill DS. High‐energy photon standard dosimetry data: A quality assurance tool. Med Phys 39(6):3754, 2012. e-Pub 2012.
- Casey K, Alvarez P, Lawyer A, Kry SF, Howell R, Davidson S, Followill DS. Development and implementation of a remote audit tool for high dose rate (HDR) Ir‐192 brachytherapy using optically stimulated luminescence dosimetry. Med Phys 40(11):112102, 2012. e-Pub 2012.
- Alvarez P, Aguirre J, Followill D. Evaluation of the OSLD system for remote dosimetry audits implemented by the RPC. Med Phys 38(6):3505, 2011. e-Pub 2011.
- Molineu A, Hernandez N, Alvarez P, Ibbott G, Galvin J, Followill D. Results from 1069 IMRT irradiations of an anthropomorphic head and neck phantom. Med Phys 38(6), 2011. e-Pub 2011.
- Followill D, Alvarez P, Gillin M, Ibbott G. Evaluation of lung treatment deliveries using the Radiological Physics Center’s (RPC) thorax phantom: Monte Carlo vs. all other modern heterogeneity correction algorithms. Med Phys 38(6), 2011. e-Pub 2011.
- Cho J, Alvarez P, Followill D, Gillin M, Ibbott G. Proton linearity and energy dependence studies of Optically Stimulated Luminescent Detectors for remote audits of proton beam calibrations by the Radiological Physics Center. Med Phys 38(6):3521, 2011. e-Pub 2011.
- Aguirre J, Alvarez P, Followill D, Ibbott G. Analysis of uncertanties for the RPC remote dosimetry using Optically Stimulated Ligth Dosimetry. Med Phys 38(6), 2011. e-Pub 2011.
- Molineu A, Hernandez N, Alvarez P, Followill D, Ibbott G. Results from multiple radiations of an anthropomorphic spine phantom. Med Phys 37(6):3400, 2010. e-Pub 2010.
- Shiu A, Alvarez P, Followill D, Tailor AR. Investigation of large discrepancies in dose-rates of gamma-knife units at various institutions. Med Phys 37(6):3305, 2010. e-Pub 2010.
- Aguirre J, Alvarez P, Amador C, Tailor A, Followill D, Ibbott G. Validation of the commissioning of an Optically Stimulated Luminescence (OSL) System for remote dosimetry audits. Med Phys 37(6):3428, 2010. e-Pub 2010.
- Vinogradskiy Y, Balter P, Followill D, Alvarez P, White R, Starkschall G. Evaluating the accuracy of four-dimensional photon dose calculations with phantom measurements. Med Phys 36:2724, 2009. e-Pub 2009.
- Aguirre J, Alvarez P, Followill D, Ibbott G. Optically Stimulated Light Dosimetry: Commissioning of and OSL system for remote dosimetry audits: The Radiological Physics Center experience. Med Phys 36(6):2591-2592, 2009. e-Pub 2009.
- Alvarez P, Molineu A, Hernandez N, Hall F, Followill D, Ibbott G. A comparison of heterogeneity correction algorithms. Med Phys 35(6):2888, 2008. e-Pub 2008.
- Followill D, Molineu A, Lowenstein J, Alvarez P, Aguirre F. Quality audits of the calibration of TG-51 non-compliant beams by the Radiological Physics Center. Med Phys 35(6):2774, 2008. e-Pub 2008.
- Molineu A, Lowenstein J, Hernandez N, Alvarez P, Followill D, Ibbott G. Has IMRT delivery improved in the last 5 years?. Med Phys 35(6):2762, 2008. e-Pub 2008.
- Alvarez P, Molineu A, Hernandez N, Followill D, Ibbott G. A comparison of heterogeneity correction algorithms within a lung PTV. Med Phys 34(6):2521, 2007. e-Pub 2007.
- Alvarez P, Molineu A, Hernandez N, Followill D, Ibbott G. Analysis of multiple irradiations of an anthropomorphic thorax phantom containing lung heterogeneities. ASTRO, 2006. e-Pub 2006.
- Followill D, Molineu A, Alvarez P, Ibbott G. The state of radiotherapy physics through the eyes of a quality auditor. Med Phys 33:2283, 2006. e-Pub 2006.
- Alvarez P, Hernandez N, Followill D, Tailor R, Ibbott G. Characterization of EBT versus MD55 Gafchromic films for relative dosimetry measurements. Med Phys 33:2217, 2006. e-Pub 2006.
- Alvarez P, Molineu A, Hernandez N, Followill D, Ibbott G. Evaluation of heterogeneity corrections algorithms through the irradiation of a lung phantom. Med Phys 33:2214, 2006. e-Pub 2006.
- Alvarez P, Molineu A, Hernandez N, Followill D, Ibbott G. Evaluation of doses delivered by SBRT to the lung of an anthropomorphic thorax phantom. Med Phys 32:2043, 2005. e-Pub 2005.
- Molineu A, Hernandez N, Alvarez P, Followill D, Ibbott G. IMRT head and neck phantom irradiations: Correlation of results with institution size. Med Phys 32:1983-1984, 2005. e-Pub 2005.
- Molineu A, Alvarez P, Hernandez N, Followill D, Ibbott G. Evaluation of 60 IMRT irradiations of an anthropomorphic H&N phantom. Med Phys 31:1822, 2004. e-Pub 2004.
- Alvarez P, Molineu A, Hernandez N, Followill D, Balter P, Hanson W, Ibbott G. Anthropomorphic phantoms for quality assurance in radiation therapy. Med Phys 31:1732, 2004. e-Pub 2004.
Book Chapters
- Kairn T, Lehmann J, Crowe S, Lye JE, Alvarez P, Followill D, Kron T. Postal and Clinical Trial Dosimetry. In: Radiochromic Film: Role and Applications in Radiation Dosimetry. CRC Press, 2017.
Patient Reviews
CV information above last modified July 22, 2026