Imad Ali, Ph.D., DABR

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Associate Professor
Medical Physics, Department of Radiation Oncology
Adjunct Professor
Dept. ​Radiological Sciences
Email:  Imad-Ali@ouhsc.edu

Education:
B.Sc., Physics, Yarmouk University, Irbid, Jordon
M.Sc., Physics, Yarmouk University, Irbid, Jordon
Ph.D., Physics, Institute of Nuclear Physics, Frankfurt University, Germany
Residency/ Fellowships:
Medical Physics Residency, Department of Radiation Oncology, Massey Cancer Center, Virginia Commonwealth University, Richmond Virginia

Board Certification:

American Board of Radiology - Therapy

Medical Physics Publications

1. Imad Ali, Nesreen Alsbou, Justin Juskowiak and Salahuddin Ahmad. “Quantitative evaluation of
the performance of different deformable image registration algorithms in helical, axial and conebeam
CT images using a mobile phantom” Journal of Applied Clinical Medical;19(2):62-73. doi:
10.1002/acm2.12246. (2018).

2. Imad Ali, Nesreen Alsbou, John-Michelle Taguenang, Salahuddin Ahmad. “Quantitative
evaluation by measurement and modeling of the variations in dose distributions deposited in
mobile targets.” X-Ray Science and Technology, 2017 Mar 3. doi: 10.3233/XST-16223.

3. Nesreen Alsbou, Salahuddin Ahmad, Imad Ali, “A motion algorithm to extract physical and
motion parameters of mobile targets from cone-beam computed tomographic images” Journal of
X-Ray Science and Technology,17;24(4):599-613. doi: 10.3233/XST-160577 (2016)

4. Imad Ali, Nesreen Alsbou, Stephen Oyewale, Justin Jaskowiak, Salahuddin Ahmad, Ozer Algan,
Evaluation of localization uncertainty of fiducial markers due to length and position variations
induced by motion in CT imaging by measurement and modeling” Gulf Journal of Oncology,
1(21):21-9 (2016).

5. Vance Keeling, Sabbir Hossain, Hosang Jin, Salahuddin Ahmad and Imad Ali, “Quantitative
evaluation of patient setup uncertainty of stereotactic radiotherapy with the frameless 6DExacTrac
system using statistical modeling”, Journal of Applied Clinical Medical
Physics,17(3):5959 (2016).

6. Hosang Jin, Vance Keeling, Imad Ali and Salahuddin Ahmad, “Dosimetric effects of positioning
shifts using 6D-frameless stereotactic BrainLab system in hypo-fractionated intracranial
radiotherapy", Journal of Applied Clinical Medical Physics, 17(1): 5682, (2016).

7. O. Algan, M. Confer, S. Algan, C. Matthiesen, S. Ahmad, T. Herman and I. Ali, "Quantitative
Evaluation of the Correlation of Dose, FDG-PET Uptake Value and Chest Wall Complications in
Patients with Lung Cancer Treated with Stereotactic Body Radiation Therapy", Accepted for the
Journal of X-Ray Science and Technology,40(4):314-7. doi: 10.1016/j.meddos.2015.04.001.
(2015).

8. Imad Ali, Selam Negusse, Salahuddin Ahmad and Ozer Algan, Quantitative evaluation of the
dosimetric effects of balloon deformation and source position in high-dose rate mammosite
breast brachytherapy, Gulf Journal of Oncology, 18, 54-63 (2015).

9. O. Algan, J. Giem, J. Young, I. Ali, S. Ahmad and S. Hossain, Comparison of doses received by
the hippocampus in patients treated with single versus multiple isocenter based stereotactic
radiation therapy to the brain for multiple brain metastases,pii: S0958-3947(15)00034-5. doi:
10.1016/j.meddos.2015.04.001,Medical Dosimetry (2015)

10. Imad Ali, Nesreen Alsbou , Salahuddin Ahmad, Modeling and measurement of the variations
of CT number distributions for mobile targets in cone-beam computed tomographic imaging,
Accepted by the Journal of Applied Clinical Medical Physics, 2015 Jan 8;16(1):5067. doi:
10.1120/jacmp.v16i1.5067.

11. Imad Ali , Nesreen Alsbou, Ozer Algan, Terence Herman, Salahuddin Ahmad, Quantitative
assessment by measurement and modeling of mobile target elongation in cone-beam computed
tomographic imaging. Journal of Applied Clinical Medical Physics, 2014 May 8;15(3):4634. doi:
10.1120/jacmp.v15i3.4634.

12. Imad Ali, Steven Jackson, Nesreen Alsbou, and Salahuddin Ahmad, Theoretical modeling of
mobile target broadening in helical and axial computed tomographic, Journal of X-Ray Science
and Technology, 22(3): 351:60 (2014).

13. Gunter T., Ali I., Matthiesen C., Machiorlatti M., Thompson D., Algan O., Gross Tumor Volume
Variations in Primary Non-Small-Cell Lung Cancer during the Course of Treatment with
Stereotactic Body Radiation Therapy" Journal of Medical Imaging and Radiation Oncology, doi:
10.1111/1754-9485.12168 (2014).

14. Imad Ali, Nesreen Alsbou, Ozer Agan, Terence Herman and Salahuddin Ahmad "Quantitative
Assessment by Measurement and Modeling of Mobile Target Elongation in Cone-Beam
Computed Tomographic Imaging", Journal of Applied Clinical Medical Physics, 15(3) 266-
274(2014) .

15. Imad Ali, and Salahuddin Ahmad, Evaluation of dose calculation using pencil beam and Monte
Carlo algorithms in a clinical treatment planning system for various treatment sites. Accepted by
the journal of Medical Dosimetry, 38(3):255-61 (2013).

16. Imad Ali, Ozer Algan, Spencer Thompson, Puneet Sindhwani, and Salahuddin Ahmad, A
Nomogram Model to Consider the Enlarged Transient Prostate Volume Due to Edema in
Brachytherapy Seed Implants. Gulf Journal of Oncology,13: 6-14 (2013).

17. Yida Hu, Salahuddin Ahmad and Imad Ali*, Optimization of the scanning parameters in the
digitization of EBT1 and EBT2 Gafchromic films dosimety with flatbed scanners. Accepted for
publication in the Journal of X-Ray Science and Technology, 20(4): 385-393 (2012).

18. Algan O, Jamgade A, Ali I, Christie A, Thompson JS, Thompson D, Ahmad S and Herman
T. The dosimetric impact of daily setup error on target volumes and surrounding normal tissue
in the treatment of prostate cancer with intensity-modulated radiation therapy. Medical
Dosimetry, 37 (4): 406-411 (2012).

19. Imad Ali, Salahuddin Ahmad, Nesreen Alsbou, Dale-Michael Lovelock, Sergey Kriminski,
and Howard Amols, Correction of image artifacts from treatment couch in cone-beam CT from
kV on-board imaging. Journal of X-Ray Sciences and Technology, 19(3): 321-32 (2011).

20. Imad Ali, Nesreen Alsbou, Terrance Herman and Salahuddin Ahmad. A three-dimensional
motion correction algorithm in cone-beam CT by marker tracking in the projections from a kV
on-board imager: four-dimensional cone-beam CT and tumor tracking implications. Journal of
Applied Clinical Medical Physics, 12(2): 3407 (2011).

21. Imad Ali , Chance Matthiesen, Ozer Algan, Spencer Thompson, Carl Bogardus, Terence
Herman and Salahuddin Ahmad, Quantitative evaluation of increase in skin dose by
immobilization thermoplastic masks and superficial dosimetry using Gafchromic EBT film
measurements and Monte Carlo calculations. Journal of X-Ray Science and Technology,
18(3): 319-26, (2010).

22. Imad Ali, Jesse Tubbs, Kerry Hibbitts, Ozer Algan, Spencer Thompson, Terence Herman
and Salahuddin Ahmad, Evaluation of the setup accuracy of a stereotactic radiotherapy head
immobilization mask system using kV on-board imaging. Journal of Applied Clinical Medical
Physics, 11(3): 3192 (2010).

23. Imad Ali, Ozer Algan, Spencer Thompson, Puneet Sindhwani, Terence Herman, Chih-Yao
Cheng and Salahuddin Ahmad, A comparative study of seed localization and dose calculation
on pre- and post-implantation ultrasound and CT images for low-dose-rate prostate
brachytherapy. Physics in Medicine and Biology, 54: 5595-5611 (2009).

24. Imad Ali and Salahuddin Ahmad, Evaluation of the effects of sagging shifts on isocenter
accuracy and image quality of cone-beam CT from a kV on-board imager. Journal of Applied
Clinical Medical Physics in Medicine, 10: 180-194 (2009).

25. Imad Ali, Salahuddin Ahmad, Surej Joel and Jeffery F. Williamson, Optimal densitometry
wavelengths that maximize radiochromic film sensitivity while minimizing OD growth and
temperature sensitivity artifacts. Journal of X-Ray Science and Technology, 17: 61-73 (2009).

26. Sergey A. Kriminski, D. Michael Lovelock, Venkatraman E. Seshan, Imad Ali, Peter Munro,
Howard I. Amols, Zvi Fuks, Mark Bilsky and Yoshiya Yamada, Comparison of Kilovoltage
Cone-Beam Computed Tomography With Megavoltage Projection Pairs for Paraspinal
Radiosurgery Patient Alignment and Position Verification. International Journal of Radiation
Oncology Biology Physics, 71(5): 1572-1580 (2008).

27. Yi Le, Imad Ali, James F. Dempsey and Jeffrey F. Williamson , Prospects for quantitative
two-dimensional radiochromic film dosimetry for low dose-rate brachytherapy sources,
Medical Physics, 33: 4622 (2006).

28. I. Ali, J. F. Williamson, C. Costescue, and J. F. Dempsey, Dependence of Radiochromic
Film Response Kinetics on Dose Fraction. Applied Radiation and Isotopes, 62: 609-617
(2005).

29. Sloboddan Devic, Jan Seuntjens, Gyorgy Hegyi, Ervin B. Podgorsak, Christopher G. Soars,
Assen S. Kirov, Imad Ali, Jeffrey F. Williamson and Angel Elizondo. Dosimetric Properties of
Improved GafChromic Films for Seven Different Digitizers. Medical Physics, 31: 2392 (2004).

30. I. Ali, C. Costescu, M. Vicic, J. F. Dempsey and J. F. Williamson, Dependence of
Radiochromic Film Optical Density Post-Exposure Kinetics on Dose and Dose Fractionation.
Medical Physics, 30: 1958 (2003).