Ergys D. Subashi, Ph.D.

Peer-Reviewed Articles

1. McCullum, L, van Rijssel, MJ, Hwang, KP, Ding, Y, Tang, C, Hassanzadeh, CJ, Yang, J, Balter, PA, Wang, J, Fuller, C, Subashi, ED. Feasibility of longitudinal relaxation rate mapping with non-Cartesian sampling and compressed sensing on a 1.5 T magnetic resonance linear accelerator. Physics and Imaging in Radiation Oncology 39, 2026. e-Pub 2026. PMID: 42212205.
2. Xing, S, Burleson, S, Tan, X, Huang, Q, Hassan-Razein, N, Gui, C, Subashi, ED, Nagar, H, Brennan, V, Tyagi, N. Impact of intra- and interfractional motion on the dose distribution and urinary adverse events for magnetic resonance-guided prostate cancer radiotherapy. Physics and Imaging in Radiation Oncology 38, 2026. e-Pub 2026. PMID: 41858749.
3. Reiazi, R, Ding, Y, Vijayan, S, Yang, J, Subashi, ED, Zhao, Y, Lee, B, Emory, HL, Dinh, V, Swiedom, GL, Deng, J, Lin, MH, Balter, PA, Kudchadker, RJ, Cha, E, Choi, S, Kim, Y, Han, EY, Prajapati, S. Development and implementation of an MRI-only simulation, planning, and treatment workflow for prostate radiotherapy using synthetic CT on MR-linac. Journal of applied clinical medical physics 27(2), 2026. e-Pub 2026. PMID: 41663318.
4. Gomez, JT, Nadkarni, N, Bosma, LS, Jiang, J, Subashi, ED, Segars, WP, Balter, J, Sabuncu, MR, Tyagi, N, Veeraraghavan, H. Modality-agnostic, patient-specific digital twins modeling temporally varying digestive motion. Physics in medicine and biology 71(1), 2026. e-Pub 2026. PMID: 41370930.
5. Khaleghibizaki, M, Sobremonte, A, Perles, LA, Prajapati, S, Subashi, ED, Ding, Y, Brock, K, Barati, R, Koay, EJ, Tang, C, Yang, J. Dosimetric effect of abdominal compression in online adaptive planning for abdominal cancers treated with a 1.5 Tesla magnetic resonance-guided linear accelerator. Physics and Imaging in Radiation Oncology 37, 2026. e-Pub 2026. PMID: 41541572.
6. Chen, X, Ding, Y, Weng, JK, Wu, CC, Zhao, Y, Sobremonte, A, Mohammedsaid, M, Xu, Z, Zhang, X, Niedzielski, JS, Shete, S, Court, LE, Liao, Z, Wang, J, Subashi, ED, Lee, PP, Yang, J. Deep Learning-Based Cardiac Chamber Segmentation in Magnetic Resonance-Guided Adaptive Radiation Therapy. Advances in Radiation Oncology 10(9), 2025. e-Pub 2025. PMID: 40808698.
7. Ding, Y, Salzillo, TC, Yeboa, DN, Tom, MC, Wang, Z, Diagaradjane, P, Subashi, ED, Yang, J, Swanson, T, Beckham, TH, Wang, C, Ghia, AJ, Briere, TM, Wang, J, Lathuilière, F, Cloake, S, Han, EY. Optimizing Motion Management and Baseline Shifts in Magnetic Resonance-Guided Spine Stereotactic Body Radiation Therapy. Cancers 17(16), 2025. e-Pub 2025. PMID: 40867326.
8. McCullum, L, Mulder, SL, West, NA, Aghoghovbia, R, Ali, AS, Scott, H, Salzillo, TC, Ding, Y, Dresner, A, Subashi, ED, Ma, D, Stafford, RJ, Hwang, KP, Fuller, C. Technical development and In Silico implementation of SyntheticMR in head and neck adaptive radiation therapy. Journal of applied clinical medical physics 26(7), 2025. e-Pub 2025. PMID: 40645191.
9. Liang, J, Aliotta, E, Tyagi, N, Godoy Scripes, P, Cote, N, Subashi, ED, Huang, Q, Sun, L, Chan, CY, Ng, A, Wunner, T, Brennan, V, Zakeri, K, Mechalakos, JG. Risk analysis of the Unity 1.5T MR-Linac adapt-to-shape workflow. Journal of applied clinical medical physics 26(7), 2025. e-Pub 2025. PMID: 40241332.
10. Zhao, Y, Cozma, A, Ding, Y, Perles, LA, Reiazi, R, Chen, X, Kang, AM, Prajapati, S, Yu, H, Subashi, ED, Brock, K, Wang, J, Beddar, S, Lee, B, Mohammedsaid, M, Cooper, S, Westley, RL, Tree, A, Mohamad, O, Hassanzadeh, CJ, Mok, H, Choi, S, Tang, C, Yang, J. Upper Urinary Tract Stereotactic Body Radiotherapy Using a 1.5 Tesla Magnetic Resonance Imaging-Guided Linear Accelerator. Cancers 16(23), 2024. e-Pub 2024. PMID: 39682173.
11. Subashi, ED, LoCastro, E, Burleson, S, Apte, A, Zelefsky, M, Tyagi, N. Feasibility of quantitative relaxometry for prostate target localization and response assessment in magnetic resonance-guided online adaptive stereotactic body radiotherapy. Physics and Imaging in Radiation Oncology 32, 2024. e-Pub 2024. PMID: 39717186.
12. Yu VY, Otazo R, Wu C, Subashi E, Baumann M, Koken P, Doneva M, Mazurkewitz P, Shasha D, Zelefsky M, Cervino L, Cohen O. Quantitative longitudinal mapping of radiation-treated prostate cancer using MR fingerprinting with radial acquisition and subspace reconstruction. Magn Reson Imaging 101:25-34, 2023. e-Pub 2023. PMID: 37015305.
13. Subashi E, Segars P, Veeraraghavan H, Deasy J, Tyagi N. A model for gastrointestinal tract motility in a 4D imaging phantom of human anatomy. Med Phys 50(5):3066-3075, 2023. e-Pub 2023. PMID: 36808107.
14. Liang J, Scripes PG, Tyagi N, Subashi E, Wunner T, Cote N, Chan CY, Ng A, Brennan V, Zakeri K, Wildberger C, Mechalakos J. Risk analysis of the Unity 1.5 T MR-Linac adapt-to-position workflow. J Appl Clin Med Phys 24(3):e13850, 2023. e-Pub 2023. PMID: 36411990.
15. Brennan VS, Burleson S, Kostrzewa C, Godoy Scripes P, Subashi E, Zhang Z, Tyagi N, Zelefsky MJ. SBRT focal dose intensification using an MR-Linac adaptive planning for intermediate-risk prostate cancer: An analysis of the dosimetric impact of intra-fractional organ changes. Radiother Oncol 179:109441, 2023. e-Pub 2023. PMID: 36549340.
16. Subashi E, Feng L, Liu Y, Robertson S, Segars P, Driehuys B, Kelsey CR, Yin FF, Otazo R, Cai J. View-sharing for 4D magnetic resonance imaging with randomized projection-encoding enables improvements of respiratory motion imaging for treatment planning in abdominothoracic radiotherapy. Phys Imaging Radiat Oncol 25:100409, 2023. e-Pub 2023. PMID: 36655213.
17. Wu C, Krishnamoorthy G, Yu V, Subashi E, Rimner A, Otazo R. 4D lung MRI with high-isotropic-resolution using half-spoke (UTE) and full-spoke 3D radial acquisition and temporal compressed sensing reconstruction. Phys Med Biol 68(3), 2023. e-Pub 2023. PMID: 36535035.
18. Subashi E, Dresner A, Tyagi N. Longitudinal assessment of quality assurance measurements in a 1.5 T MR-linac: Part II-Magnetic resonance imaging. J Appl Clin Med Phys 23(6):e13586, 2022. e-Pub 2022. PMID: 35332990.
19. Boh Lim S, Tyagi N, Subashi E, Liang J, Chan M. An evaluation of the use of EBT-XD film for SRS/SBRT commissioning of a 1.5 Tesla MR-Linac system. Phys Med 96:9-17, 2022. e-Pub 2022. PMID: 35189431.
20. 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.
21. Alam S, Veeraraghavan H, Tringale K, Amoateng E, Subashi E, Wu AJ, Crane CH, Tyagi N. Inter- and intrafraction motion assessment and accumulated dose quantification of upper gastrointestinal organs during magnetic resonance-guided ablative radiation therapy of pancreas patients. Phys Imaging Radiat Oncol 21:54-61, 2022. e-Pub 2022. PMID: 35243032.
22. Yang J, Zhang P, Tyagi N, Scripes PG, Subashi E, Liang J, Lovelock D, Mechalakos J, Li A, Lim SB. Integration of an Independent Monitor Unit Check for High-Magnetic-Field MR-Guided Radiation Therapy System. Front Oncol 12:747825, 2022. e-Pub 2022. PMID: 35359395.
23. Subashi E, Lim SB, Gonzalez X, Tyagi N. Longitudinal assessment of quality assurance measurements in a 1.5T MR-linac: Part I-Linear accelerator. J Appl Clin Med Phys 22(10):190-201, 2021. e-Pub 2021. PMID: 34505349.
24. Lim SB, Godoy Scripes P, Napolitano M, Subashi E, Tyagi N, Cervino Arriba L, Lovelock DM. An investigation of using log-file analysis for automated patient-specific quality assurance in MRgRT. J Appl Clin Med Phys 22(9):183-188, 2021. e-Pub 2021. PMID: 34278711.
25. Tyagi N, Liang J, Burleson S, Subashi E, Godoy Scripes P, Tringale KR, Romesser PB, Reyngold M, Crane CH. Feasibility of ablative stereotactic body radiation therapy of pancreas cancer patients on a 1.5 Tesla magnetic resonance-linac system using abdominal compression. Phys Imaging Radiat Oncol 19:53-59, 2021. e-Pub 2021. PMID: 34307919.
26. Godoy Scripes P, Subashi E, Burleson S, Liang J, Romesser P, Crane C, Mechalakos J, Hunt M, Tyagi N. Impact of varying air cavity on planning dosimetry for rectum patients treated on a 1.5 T hybrid MR-linac system. J Appl Clin Med Phys 21(7):144-152, 2020. e-Pub 2020. PMID: 32445292.
27. Subashi E, Jacobs C, Hood R, Kirsch DG, Craciunescu O. A design process for a 3D printed patient-specific applicator for HDR brachytherapy of the orbit. 3D Print Med 6(1):15, 2020. e-Pub 2020. PMID: 32601842.
28. Campelo S, Subashi E, Meltsner SG, Chang Z, Chino J, Craciunescu O. Multimaterial three-dimensional printing in brachytherapy: Prototyping teaching tools for interstitial and intracavitary procedures in cervical cancers. Brachytherapy 19(6):767-776, 2020. e-Pub 2020. PMID: 32893145.
29. Collins C, Yoon SW, Kodra J, Coakley R, Subashi E, Sidhu K, Adamovics J, Oldham M. An investigation of a novel reusable radiochromic sheet for 2D dose measurement. Med Phys 46(12):5758-5769, 2019. e-Pub 2019. PMID: 31479518.
30. Wang C, Subashi E, Yin FF, Chang Z, Cai J. A Spatiotemporal-Constrained Sorting Method for Motion-Robust 4D-MRI: A Feasibility Study. Int J Radiat Oncol Biol Phys 103(3):758-766, 2019. e-Pub 2019. PMID: 30321690.
31. Carreno-Munoz MI, Martins F, Medrano MC, Aloisi E, Pietropaolo S, Dechaud C, Subashi E, Bony G, Ginger M, Moujahid A, Frick A, Leinekugel X. Potential Involvement of Impaired BKCa Channel Function in Sensory Defensiveness and Some Behavioral Disturbances Induced by Unfamiliar Environment in a Mouse Model of Fragile X Syndrome. Neuropsychopharmacology 43(3):492-502, 2018. e-Pub 2018. PMID: 28722023.
32. Lemaire-Mayo V, Subashi E, Henkous N, Beracochea D, Pietropaolo S. Behavioral effects of chronic stress in the Fmr1 mouse model for fragile X syndrome. Behav Brain Res 320:128-135, 2017. e-Pub 2017. PMID: 27939692.
33. Godfrey DJ, Patel BN, Adamson JD, Subashi E, Salama JK, Palta M. Triphasic contrast enhanced CT simulation with bolus tracking for pancreas SBRT target delineation. Pract Radiat Oncol 7(6):e489-e497, 2017. e-Pub 2017. PMID: 28666905.
34. Wang C, Subashi E, Liang X, Yin FF, Chang Z. Evaluation of the effect of transcytolemmal water exchange analysis for therapeutic response assessment using DCE-MRI: a comparison study. Phys Med Biol 61(13):4763-80, 2016. e-Pub 2016. PMID: 27272391.
35. Wang C, Subashi E, Yin FF, Chang Z. Dynamic fractal signature dissimilarity analysis for therapeutic response assessment using dynamic contrast-enhanced MRI. Med Phys 43(3):1335-47, 2016. e-Pub 2016. PMID: 26936718.
36. Subashi E, Cordero FJ, Halvorson KG, Qi Y, Nouls JC, Becher OJ, Johnson GA. Tumor location, but not H3.3K27M, significantly influences the blood-brain-barrier permeability in a genetic mouse model of pediatric high-grade glioma. J Neurooncol 126(2):243-51, 2016. e-Pub 2016. PMID: 26511492.
37. Xie L, Qi Y, Subashi E, Liao G, Miller-DeGraff L, Jetten AM, Johnson GA. 4D MRI of polycystic kidneys from rapamycin-treated Glis3-deficient mice. NMR Biomed 28(5):546-54, 2015. e-Pub 2015. PMID: 25810360.
38. Subashi E, Qi Y, Johnson GA. Dynamic contrast-enhanced MR microscopy identifies regions of therapeutic response in a preclinical model of colorectal adenocarcinoma. Med Phys 42(5):2482-8, 2015. e-Pub 2015. PMID: 25979041.
39. Oddi D, Subashi E, Middei S, Bellocchio L, Lemaire-Mayo V, Guzmán M, Crusio WE, D'Amato FR, Pietropaolo S. Early social enrichment rescues adult behavioral and brain abnormalities in a mouse model of fragile X syndrome. Neuropsychopharmacology 40(5):1113-22, 2015. e-Pub 2015. PMID: 25348604.
40. Xie L, Subashi E, Qi Y, Knepper MA, Johnson GA. Four-dimensional MRI of renal function in the developing mouse. NMR Biomed 27(9):1094-102, 2014. e-Pub 2014. PMID: 25066408.
41. Subashi E, Choudhury KR, Johnson GA. An analysis of the uncertainty and bias in DCE-MRI measurements using the spoiled gradient-recalled echo pulse sequence. Med Phys 41(3):032301, 2014. e-Pub 2014. PMID: 24593738.
42. Subashi E, Moding EJ, Cofer GP, MacFall JR, Kirsch DG, Qi Y, Johnson GA. A comparison of radial keyhole strategies for high spatial and temporal resolution 4D contrast-enhanced MRI in small animal tumor models. Med Phys 40(2):022304, 2013. e-Pub 2013. PMID: 23387766.
43. Badea CT, Johnston SM, Subashi E, Qi Y, Hedlund LW, Johnson GA. Lung perfusion imaging in small animals using 4D micro-CT at heartbeat temporal resolution. Med Phys 37(1):54-62, 2010. e-Pub 2010. PMID: 20175466.
44. Garcia R, Osborne K, Subashi E. Validity of the "sharp-kink approximation" for water and other fluids. J Phys Chem B 112(27):8114-9, 2008. e-Pub 2008. PMID: 18553903.
45. Garcia R, Subashi E, Fukuto M. Thin-thick coexistence behavior of 8CB liquid crystalline films on silicon. Phys Rev Lett 100(19):197801, 2008. e-Pub 2008. PMID: 18518487.

Review Articles

1. Chetty, IJ, Cai, B, Chuong, MD, Dawes, S, Hall, WA, Helms, A, Kirby, S, Laugeman, E, Mierzwa, ML, Pursley, J, Ray, X, Subashi, ED, Henke, LE. Quality and Safety Considerations for Adaptive Radiation Therapy. International Journal of Radiation Oncology Biology Physics 122(4):838-864, 2025. e-Pub 2025. PMID: 39424080.

Other Articles

1. Zhao Y, Cozma A, Ding Y, Pereles LA, Reiazi R, Chen X, Kang A, Prajapati S, Yu H, Subashi ED, Brock K, Wang J, Beddar S, Lee B, Mohammedsaid M, Cooper S, Westley R, Tree A, Mohamad O, Hassanzadeh C, Mok H, Choi S, Tang C, Yang J Upper Urinary Tract Stereotactic Body Radiotherapy Using a 1.5 Tesla Magnetic Resonance Imaging-Guided Linear Accelerator: Workflow and Physics Considerations. Cancers 16(23):3987, 2024.

Books (edited and written)

1. Cunningham, JM, Dolan, JL, Aldridge, K, Subashi, ED. Treatment Planning Considerations for an MR-Linac, 2024.