Salahuddin Ahmad, Ph.D., DABR, FACMP, FAAPM, FACR

ahmadfinal

Professor
Department of Radiation Oncology

Director of Medical Physics & Dosimetry
Department of Radiation Oncology

Adjunct Professor
Department of Radiological Sciences

Email:  Salahuddin-Ahmad@ouhsc.edu

Education
B.S. and M.S. in Nuclear Physics
, Dhaka University, Bangladesh
Ph.D., Intermediate Energy Nuclear Physics, University of Victoria, B.C., Canada 
Post Doctoral training in Radiation Oncology Physics, The UT MD Anderson Cancer Center, Houston, Texas

Board Certification

American Board of Radiology - Therapy

Professional Society Honors

Fellow of the American College of Medical Physics

Fellow of the American Association of Physicists in Medicine

Fellow of the American College of Radiology

Medical Physics Publications

1. L. Muller, C. Henson, B. Firestone, S. Ahmad, T. S. Herman and T. D. L. F. Herman,
Radiation treatment to a post-resection primary mucoepidermoid carcinoma (MEC) of the
conjunctiva with positive margins at the Tenon’s fascia – a case study, Medical Dosimetry
(2019); DOI.org/10.1016/j.meddos.2018.09.002

2. L. Muller, M. Prusator, S. Ahmad and Y. Chen, A complete workflow for utilizing Monte
Carlo toolkits in clinical cases for a Double Scattering Proton Therapy System, Journal of
Applied Clinical Medical (2019); DOI: 10.1002/acm2.12473

3. M. Prusator, S. Ahmad and Y. Chen, Investigation on patient/compensator scatter factor
for Monitor Unit calculation in proton therapy, International Journal of Particle Therapy 5
No. 2 (2018) 38-49

4. K. DePew, S. Ahmad and H.Jin, Experimental assessment of proton dose calculation
accuracy in small-field delivery using a Mevion S250 proton therapy system, Journal of
Medical Physics 43 (2018) 221-229

5. M. Prusator, S. Ahmad and Y. Chen, Shielding Verification and Neutron Dose Evaluation
of the Mevion S250 Proton Therapy Unit, Journal of Applied Clinical Medical Physics 19
(2018) 305-310

6. E. Kendall, S. Ahmad and O.Algan, Dosimetric Comparison of Sector-Blocked and Non-
Sector-Blocked Gamma Knife Perfexion Treatment Plans for Trigeminal Neuralgia,
Medical Dosimetry 43 (2018) 390-393

7. I. Ali, J. Jaskowiak, N. Alsbou and S. Ahmad, Quantitative evaluation of the performance
of different deformable image registration algorithms in helical, axial and cone-beam CT
images using a mobile phantom, Journal of Applied Clinical Medical Physics 19 No. 2
(2018) 62-73

8. E. Kendall, O. Algan and S. Ahmad, Comparison of volumetric modulated arc therapy
and intensity modulated radiation therapy for whole brain hippocampal sparing treatment
plans based on radiobiological modeling, Journal of Medical Physics 43 (2018) 16-22

9. M. F. Ahmed, N. Shrestha, S. Ahmad, E. Schnell, M. S. Akselrod and E. G. Yukihara,
Demonstration of 2D dosimetry using Al2O3 optically stimulated luminescence films for
therapeutic megavoltage x-ray and ion beams, Radiation Measurements 106 (2017) 315-
320

10. I. Ali, N. Alsbou, J. M Taguenang and S. Ahmad, Quantitative evaluation by
measurement and modeling of the variations in dose distributions deposited in mobile
targets, Journal of Xray Science and Technology 25 (2017) 573-583

11. S. Ferguson, Y. Chen, C. Ferreira, M. Islam, V. Keeling, A. Lau, S. Ahmad and Hosang
Jin, Comparability of three output prediction models for a compact passively doublescattered
proton therapy system, Journal of Applied Clinical Medical Physics 18 No. 3
(2017) 108-117

12. M. Prusator, S. Ahmad and Y. Chen, TOPAS Simulation of the Mevion S250 compact
proton therapy unit, Journal of Applied Clinical Medical Physics 18 No. 3(2017) 88-95

13. C. Ferreira, D. Johnson, K. Rasmussen, C. Leinweber, S. Ahmad and J. W Jung, A
novel conformal superficial high-dose-rate brachytherapy device for the treatment of nonmelanoma
skin cancer and keloids, Brachytherapy 16 (2017) 215-222

14. M. R. Islam, Y. Zheng, T. L. Collums, J. M. Monson, S. Ahmad and E. R. Benton,
Measurement and simulation of secondary neutrons from uniform scanning proton beams
in proton radiotherapy, Radiation Measurements 96 (2017) 8-18

15. V. Keeling, O. Algan, S. Ahmad and S. Hossain, Dosimetric comparison of intracranial
metastasis treatment using two radiosurgery systems: TrueBeam STX with VMAT and
Gamma Knife model 4C, Journal of Radiosurgery and SBRT 4 (2016) 235-243

16. S. Hossain, V. Keeling, K. Hildebrand, S. Ahmad, D. Larson, A. Sahgal and L. Ma,
Normal Brain Sparing with Increasing Number of Beams and Isocenters in Volumetric
Modulated Arc Beam Radiosurgery of Multiple Brain Metastases, Technology in Cancer
Research & Treatment 15(6) (2016) 766-771

17. S. Ferguson, S. Ahmad and H. Jin, Implementation of output prediction models for a
passively double-scattered proton therapy system, Medical Physics 43 (2016) 6089-6097

18. M.F. Ahmed, N. Shrestha, E. Schnell, S. Ahmad, M. S. Akselrod and E. G. Yukihara,
Characterization of Al2O3 optically simulated luminescence films for 2D dosimetry using
a 6 MV photon beam, Physics in Medicine and Biology (PMB) 61 (2016) 7551-7570

19. M.F. Ahmed, E. Schnell, S. Ahmad and E. G. Yukihara, Image reconstruction algorithm
for optically stimulated luminescence 2D dosimetry user laser-scanned Al2O3 : C, Mg
films, Physics in Medicine and Biology (PMB) 61 (2016) 7484-7506

20. A. Lau, S. Ahmad and Y. Chen, A simulation study investigating a Cherenkov material
for use with the prompt gamma range verification in proton therapy, Journal of X-ray
Science and Technology 24 (2016) 565-582

21. N. Alsbou, S. Ahmad and I. 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 24 (2016) 599-613

22. P. Dong, S. Hossain, V. Keeling, S. Ahmad, L. Xing and L. Ma, Minimizing normal tissue
dose spillage via broad-range optimization of hundreds of intensity modulated beams for
treating multiple brain targets, Journal of Radiosurgery and SBRT 4 (2016) 107-115

23. V. Keeling, S. Hossain, H. Jin, O. Algan, S. Ahmad and I. Ali, Quantitave evaluation of
patient setup uncertainty of stereotactic radiotherapy with the frameless 6D- ExacTrac
system using statistical modeling, Journal of Applied Clinical Medical Physics 17 No. 3
(2016) 111-127

24. H. Jin, V. Keeling, I. Ali and S. Ahmad, Dosimetric effects of positioning shifts using 6Dframeless
stereotactic BrainLab system in hypo-fractionated intracranial radiotherapy,
Journal of Applied Clinical Medical Physics 17, No. 1 (2016) 102-111

25. I. Ali, N. Alsbou, S. Oyewale, J. Jaskowiak, S. Ahmad and O. 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 21
(2016) 21-29

26. 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, Journal of X-ray Science and Technology 23 (2015) 727-736

27. T. Gunter, A. Arain, T. Herman, E. Syzek, S. Ahmad and C. Matthiesen, Changes in
Non-Small Cell Lung Cancer Tumor Location Secondary to Gastric Distension,
Implications in the Context of Stereotactic Body Radiation Therapy, Journal of the
Oklahoma State Medical Association (JOSMA) 108 (2015) 398-401

28. D. Johnson, Y. Chen and S. Ahmad, Dose and LET distributions of primary and
secondary particles in carbon ion radiation therapy: A Monte Carlo simulation study in
water, Journal of Medical Physics 40 (2015) 214-219

29. 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, Medical
Dosimetry 40 (2015) 314-317

30. C. Matthiesen, T. D. L. F. Herman, H. Singh, A. Mascia, M. Confer, H. Simpson, C.
Higby, A. Arain, S. Keole, T. Herman, C. Bogardus, Y. D. Zhao, and S. Ahmad, A
Dosimetric and Radiobiologic Comparison of 3D Conformal, IMRT, Rapid Arc VMAT, and
Proton Therapy for the Treatment of Early Stage T1/T2 Glottic Laryngeal Cancer, Journal
of Medical Imaging and Radiation Oncology 59 (2015) 221-228

31. I. Ali, N. Alsbou and S. Ahmad, Quantitative investigation by modeling and measurement
of the variations of CT number distributions for mobile targets in cone-beam computed
tomographic imaging, Journal of Applied Clinical Medical Physics 16, No. 1 (2015) 360-
372

32. I. Ali, S. Negusse, S. Ahmad and O. 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 (2015) 54-63

33. M .F. Ahmed, S. A. Eller, E. Schnell, S. Ahmad, M. S. Alselrod, O. D. Hanson and E. G.
Yukihara, Development of a 2D dosimetry system based on the optically stimulated
luminescence of Al2 O3, Radiation Measurement 71 (2014) 187-192

34. L. Ma, A. Nichol, S. Hossain, B. Wang, P. Petti, R. Vellani, C. Higby, S. Ahmad, I. Barani,
D. Shrieve, D. Larson and A. Sahagal, Variable dose interplay effects across
radiosurgical apparatus in treating multiple brain metastases, International Journal of
Computer Assisted Radiology and Surgery 9 (2014) 1079-1086

35. H. Jin, F. B. Jesseph and S. Ahmad, A Comparison Study of Volumetric Modulated Arc
Therapy Quality Assurances using Portal Dosimetry and MapCHECK 2, Progress in
Medical Physics 25, No. 2 (2014) 65-71

36. I. Ali, S. Jackson, N. Alsbou and S. Ahmad, Theoretical modeling of mobile target
broadening in helical and axial computed tomographic imaging, Journal of X-ray Science
and Technology 22 (2014) 351-360

37. I. Ali, N. Alsbou, O. Algan, T. Herman and S. Ahmad, Quantitative Assessment by
Measurement and Modeling of Mobile Target Elongation in Cone-Beam Computed
Tomographic Imaging, Journal of Applied Clinical Medical Physics 15, No. 3 (2014) 266-
274

38. H. Jin, V. Keeling, D. Johnson and S. Ahmad, Interplay Effect of Angular Dependence
and Calibration Field Size of MapCHECK 2 on RapidArc quality assurance, Journal of
Applied Clinical Medical Physics 15, No. 3 (2014) 80-92

39. V. Keeling, S. Ahmad, O. Algan and H. Jin, Dependency of planned dose perturbation
(PDP) on the spatial resolution of MapCheck 2 detectors, Journal of Applied Clinical
Medical Physics 15, No.1 (2014) 100-117

40. T. D. L. F. Herman, E. Schnell, J. Young, K. Hildebrand, Ö. Algan, E. Syzek, T. Herman
and S. Ahmad, Dosimetric comparison between IMRT delivery modes: step-and-shoot,
sliding window and volumetric modulated arc therapy - for whole pelvis radiation therapy
of intermediate to-high risk prostate adenocarcinoma, Journal of Medical Physics 38
(2013) 165-172

41. V. Keeling, S. Ahmad and Hosang Jin, A comprehensive comparison study of three
different plannar IMRT QA techniques using MapCHECK 2, Journal of Applied Clinical
Medical Physics 14 No. 6 (2013) 222-233

42. A. Lau, Y. Chen and S. Ahmad, Range verification of proton radiotherapy with prompt
gamma rays, Journal of X-ray Science and Technology 21 (2013) 507-514

43. Imad Ali and Salahuddin Ahmad, Quantitative Assessment of the Accuracy of Dose
Calculation Using Pencil Beam and Monte Carlo Algorithms and Requirements for
Clinical Quality Assurance, Medical Dosimetry 38 (2013) 255-261

44. S. Jackson, S. Ahmad, Y. Hu and C. Ruan, Evaluation of different techniques for CT
radiation profile width measurement, Journal of Applied Clinical Medical Physics 14 No. 4
(2013) 227-237

45. C. Matthiesen, C. Forest, J. S. Thompson, S. Ahmad, T. Herman and C. Bogardus, The
role of radiotherapy for large and locally advanced non-melanoma skin carcinoma,
Journal of Radiotherapy in Practice 12 (2013) 56-65

46. C. Matthiesen, S. Thompson, S. Ahmad, E. Syzek, D. Zhao, T. Herman and C.
Bogardus, A comparison of the 6th and 7th editions of the AJCC TNM systems for Tclassifications
and predicting the outcomes of advanced (T2 – T4) non-melanoma skin
cancers treated with radiotherapy, Journal of Radiation Oncology 2 (2013) 79-85

47. I. Ali, O. Algan, S. Thompson, P. Sindhwani and S. Ahmad, Dosimetric consideration of
transient volume enlargement induced by edema in prostate brachytherapy seed
implants, Gulf Journal of Oncology 13 (2013) 6-14

48. Y. Hu, S. Ahmad and Imad Ali, Quantitative investigation of the effects of the scanning
parameters in the digitization of EBT and EBT2 Gafchromic film dosimetry with flatbed
scanners, Journal of X-ray Science and Technology 20 (2012) 385-393

49. S. Ahmad, S. Devic, and C. Orton, PET-based GTV definition is the future of
radiotherapy treatment planning, POINT/COUNTERPOINT debates; Medical Physics 39
(10) (2012) 5791-5794

50. O. Algan, A. Jamgade, I. Ali, A. Christie, S. Thompson, D. Thompson, S. Ahmad and T.
Herman, 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 (2012) 406-411

51. C. Matthiesen, S. Thompson, T. D. L. F. Herman, S. Ahmad and T. Herman, The Use of
Stereotactic Body Radiation Therapy (SBRT) for Medically Inoperable Multiple Primary
Lung Cancer, Journal of Medical Imaging and Radiation Oncology 56 (2012) 561-566

52. C. Matthiesen, R. Ramgopal, J. Seavy, S. Ahmad and T. Herman, Intensity Modulated
Radiation Therapy (IMRT) for the treatment of unicentric castlemans disease: A case
report and review of the use of radiotherapy in the literature, Radiology and Oncology 46
(3) (2012) 265-270

53. Andy Lau, Yong Chen and Salahuddin Ahmad,Yields of positron and positron emitting
nuclei for proton and carbon ion radiation therapy: A simulation study with GEANT4,
Journal of X-ray Science and Technology 20 (2012) 317-329

54. Y. Chen and S. Ahmad, Empirical model estimation of relative biological effectiveness
for proton beam therapy, Radiation Protection Dosimetry 149 (2012) 116-123

55. C. Matthiesen, J. S. Thompson, D. Thompson, B. Faris, B. Wilkes, S. Ahmad, T.
Herman and C. Bogardus, The efficacy of radiation therapy in the treatment of graves’
orbitopathy, Int. Journal of Radiation Oncology *Biology *Physics 82 (2012) 117-123

56. Frederick W. McKenna and Salahuddin Ahmad, Extrapolations, effective doses and
biological optimization for use in stereotactic body and hypofractionated radiation
therapy, J. Asiat. Soc. Bangladesh, Sci., 37(2) (2011) 17-29

57. Tania De La Fuente Herman, Kerry Hibbitts, Terence Herman and Salahuddin Ahmad,
Evaluation of Pencil Beam Convolution and Anisotropic Analytical Algorithm in
Stereotactic Lung Irradiation, Journal of Medical Physics 36 (2011) 234-238

58. S. M. Handley and S. Ahmad, An antiproton simulation study using MCNPX for radiation
therapy, Journal of X-ray Science and Technology 19 (2011) 345-353

59. 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 Science and Technology 19 (2011) 321-332

60. Chance Matthiesen, Spencer Thompson, Christina Forest, Salahuddin Ahmad, Terence
Herman and Carl Bogardus JR., The role of radiotherapy for T4 Non-Melanoma Skin
Carcinoma, Journal of Medical Imaging and Radiation Oncology 55 (2011) 407-416

61. Imad Ali, Nesreen Alsbou, Terence Herman and Salahuddin Ahmad, An algorithm to
extract three-dimensional motion by marker tracking in the kV projections from an onboard
imager: four-dimensional cone-beam CT and tumor tracking implications, Journal
of Applied Clinical Medical Physics 12 No. 2 (2011) 223-238

62. C. Matthiesen, C. Bogardus, J. S. Thompson, E. Syzek, O. Algan, S. Ahmad, T. Herman,
B. Farris, L. Hildebrand, B. Wilkes, In Reply to Dr. Mombaerts letter to Editor in regards to
Matthiesen et al. article on The efficacy of radiotherapy in the treatment of orbital
pseudotumor, published in Int. J Radiat Oncol Biol Phys 2011;79:1496-1502, Int. Journal
of Radiation Oncology *Biology *Physics 81 (2011) 901-902

63. C. Matthiesen, C. Bogardus, J. S. Thompson, B. Farris, L. Hildebrand, B. Wilkes, E.
Syzek, O. Algan, S. Ahmad, and T. Herman, The efficacy of radiotherapy in the
treatment of orbital pseudotumor, Int. Journal of Radiation Oncology *Biology *Physics
79 (2011) 1496-1502

64. Chance Matthiesen, Andrew Martin, Ozer Algan, Carl Bogardus, Salahuddin Ahmad,
Terence Herman and Spencer Thompson, Linear Accelerator Based Intracranial and
Extracranial Stereotactic Radiation Therapy at the University of Oklahoma, Journal of the
Oklahoma State Medical Association (JOSMA) 104, Number 3 (2011) 94-98

65. Junie P. Warrington, Anna Csiszar, Daniel A. Johnson, Terence S. Herman, Salahuddin
Ahmad, Yong Woo Lee, and William E. Sonntag, Cerebral microvascular rarefaction
induced by whole brain radiation is reversible by systemic hypoxia in mice, American
Journal of Physiology – Heart and Circulatory Physiology 300 (2011) H736-744

66. Fred W. Mckenna and Salahuddin Ahmad, Isoeffect calculations with the linear
quadratic and its extensions: an examination of model dependent estimates at doses
relevant to hypofractionation, Journal of Medical Physics 36 (2011) 100-106

67. Tania de La Fuente Herman, Salahuddin Ahmad, and Maria T. Vlachaki, Intensity
modulated radiation therapy versus three dimensional conformal radiation therapy for
treatment of high grade glioma: A radiobiological modeling study, Journal of X-Ray
Science and Technology 18 (2010) 393-402

68. Chance Matthiesen, Spencer Thompson, Salahuddin Ahmad, Terence Herman, Carl
Bogardus, Using an advanced radiation therapy technique for T4 squamous cell
carcinoma of the face, Journal of Dermatological Case Reports 4 (2010) 47- 49

69. Salahuddin Ahmad, Daniel Johnson, Jessica R. Hiatt, D. Timothy Still, Eli E. Furhang,
David Marsden, Frank Kearly, Damian A. Bernard and Randall W. Holt, Comparison of
tumor and normal tissue dose for accelerated partial breast irradiation using an electronic
brachytherapy eBx source and an Iridium-192 source, Journal of Applied Clinical Medical
Physics 11, Number 4 (2010) 155-161

70. Chance Matthiesen, Spencer Thompson, Alisha Steele, David Thompson, Salahuddin
Ahmad and Carl Bogardus JR., Definitive Radiotherapy for Carcinoma of the Parotid
Gland, a Treatment Approach for the Medically or Technically Inoperable Patient, Journal
of Medical Imaging and Radiation Oncology 54(5) (2010) 490-496

71. Daniel A. Johnson and Salahuddin Ahmad, Clinical Implementation of an Empirical
Method for Electron Output Factor Determination, Journal of X-Ray Science and
Technology 18 (2010) 309-318

72. 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 (2010) 319-326

73. 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, Number 3 (2010) 26-37

74. C. Ruan, E. G. Yukihara, W. J. Clouse, P. B. R. Gasparian, and S. Ahmad,
Determination of Multi-Slice Computed Tomography Dose Index (CTDI) using Optically
Stimulated Luminescence Technology, Medical Physics 37 (2010) 3560-3568

75. P. B. R. Gasparian, C. Ruan, S. Ahmad, C. Kalavagunta, C. Y. Cheng and E. G.
Yukihara, Demonstrating the use of optically stimulated luminescence dosimeters
(OSLDs) for measurement of staff radiation exposure in interventional fluoroscopy and
helmet output factors in radiosurgery, Radiation Measurements 45 (2010) 677-680

76. E. G. Yukihara, P. B. R. Gasparian, G. O. Sawakuchi, C. Ruan, S. Ahmad, C.
Kalavagunta, W.J.Clouse, N. Sahoo, U. Titt, Medical Applications of Optically Stimulated
Luminescence Dosimeters (OSLDs), Radiation Measurements 45 (2010) 658-662

77. Tania De La Fuente Herman, Heather Gabrish, Terence S. Herman, Maria T. Vlachaki,
and Salahuddin Ahmad, Impact of tissue hererogeneity in stereotactic body radiation
therapy treatment plans for lung cancer, Journal of Medical Physics 35 (2010) 170-173

78. Tania de La Fuente Herman, Maria T. Vlachaki, Terence S. Herman, Kerry Hibbitts, Julie
A. Stoner and Salahuddin Ahmad, Stereotactic Body Radiation Therapy (SBRT) and
Respiratory Gating in Lung Cancer: Dosimetric and Radiobiological Considerations,
Journal of Applied Clinical Medical Physics 11 No. 1 (2010) 158-169

79. Salahuddin Ahmad, Betty J. Vogds, Fred McKenna and Maria T. Vlachaki, Tumor
Control Probability (TCP) in Prostate Cancer: Role of Radiobiological Parameters and
Radiation Dose Escalation, Journal of X-ray Science and Technology 17 (2009) 347-354

80. E. G. Yukihara, C. Ruan, P. B. R. Gasparian, W. J. Clouse, C. Kalavagunta and S.
Ahmad, An Optically Stimulated Luminescence system to measure dose profiles in X-ray
computed Tomography, Physics in Medicine and Biology 54 (2009) 6337-6352

81. I. Ali, O. Algan, S. Thompson, P. Sindhwani, T. Herman, C. Y. Cheng and S. Ahmad,
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 (2009) 5595-5611

82. Y. Chen and S. Ahmad, Evaluation of inelastic hadronic processes for 250 MeV proton
interactions in tissue and iron using GEANT4, Radiation Protection Dosimetry 136 (2009)
11-16

83. Imad Ali and Salahuddin Ahmad, Evaluation of the effects of sagging shifts on isocenter
accuracy and image quality of cone-beam CT from kV on-board imagers, Journal of
Applied Clinical Medical Physics Vol. 10 (3) (2009) 180-194

84. M. Vlachaki, I. Castellon, C. Leite, T. Perkins and S. Ahmad, Impact of Respiratory
Gating Using 4-Dimensional Computed Tomography (4D-CT) on the Dosimetry of Tumor
and Normal Tissues in Patients with Thoracic Malignancies, American Journal of Clinical
Oncology 32 (2009) 262-268

85. I. Ali, S. Ahmad, S. Joel and J. 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 (2009) 61-73

86. F. Mckenna and S. Ahmad, Fitting techniques of cell survival curves in high-dose region
for use in stereotactic body radiation therapy, Physics in Medicine and Biology 54
(2009)1593-1608

87. F. Mckenna and S. Ahmad, Toward a universal survival curve: comment on the letter by
Kavanagh and Newman (INT J RADIAT ONCOL BIOL PHYS 2008; 71: 958-959) and the
paper by Park et al. (INT J RADIAT ONCOL BIOL PHYS 2008; 70: 847-852) Int. Journal
of Radiation Oncology *Biology *Physics, Vol. 73, Issue 2 (2009) 640

88. N. Arvindan, R. Madhusoodhanan, S. Ahmad, D. Johnson, T. Herman, Curcumin inhibits
NFkB mediated radioprotection and module apoptosis related genes in human
neuroblastoma cells, Cancer Biology and Therapy, 2008 Apr: 7(4): 569-576

89. E.G.Yukihara, G. Mardirossian, M. Mirzasadeghi, S. Guduru and S. Ahmad, Evaluation
of Al2O3:C Optically Stimulated Luminescence (OSL) dosimetrs for passive dosimetry of
high-energy photon and electron beams in radiotherapy, Medical Physics 35(1)
(2008)260-269

90. Maria T. Vlachaki, Terrance N.Teslow and Salahuddin Ahmad, Impact of endorectal
balloon in the dosimetry of prostate and surrounding tissues in prostate cancer patients
treated with IMRT, Medical Dosimetry Vol. 32 (4) (2007) 281-286

91. S. M. MacDonald, Salahuddin Ahmad, Stefanos Kachris, Betty Vogds, Melissa
DeRouen, Alicia Gitttleman, Keith DeWyngaert and Maria T. Vlachaki, Intensity
modulated radiation therapy (IMRT) versus three dimensional conformal radiation therapy
(3DCRT) for the treatment of high grade glioma: A dosimetric comparison, Journal of
Applied Clinical Medical Physics Vol. 8 (2) (2007)47-60

92. Salahuddin Ahmad and Maria T. Vlachaki, Impact of margin on tumor and normal tissue
dosimetry in patients treated with IMRT using an endorectal balloon for prostate
immobilization, Australas Phys. Eng. Sci. Med 28(4) (2005)209-215

93. E. G. Yukihara, E. M. Yoshimura, T. D. Lindstrom, S. Ahmad, K. K. Taylor and G.
Mardirossian, High precision dosimetry for radiotherapy using the optically stimulated
luminescence (OSL) technique and thin Al2O3:C dosimeters, Phys. Med. Biol.
50(2005)5619-5628

94. Maria T. Vlachaki, Terrance N. Teslow, Chad Amosson, Nathan W. Uy and Salahuddin
Ahmad, IMRT versus Conventional 3D CRT on prostate and normal tissue dosimetry
using an endorectal balloon for prostate immobilization, Medical Dosimetry 30 (2005) 69-
75

95. Salahuddin Ahmad, Maria T.Vlachaki, Terrance N. Teslow, Chad M. Amosson, John
McGary, Bin S, The, Shiao Y. Woo, E. Brian Butler and Walter H. Grant III, Impact of
setup uncertainty in the dosimetry of prostate and surrounding tissues in prostate cancer
patients treated with peacock/IMRT, Medical Dosimetry 30 (2005)1-7

96. B.A.Mecking, G. Adams, S. Ahmad, E. Anciant, M. Anghinolfi, B. Asavapibhop, G.
Asryan, G. Audit, T. Auger, H. Avakian representing CLAS Collaboration (consists of
~150 participants from 33 institutions and 6 countries and is based in Jefferson Lab,
Newport News, Virginia, USA), The CEBAF Large Acceptance Spectrometer, Nucl. Instr.
& Meth. A503/3 (2003)513-553

97. K. Ackermann, N. Adams, C. Adler, Z. Ahammed, S. Ahmad, C. Allgower, J. Armonett, J.
Amsbaugh, B. Anderson, M. Anderson representing STAR Collaboration (consists of
~450 participants from 33 institutions and 8 countries and is based in Brookhaven
National Lab, New York, USA) , STAR Detector Overview, Nucl. Instr. & Meth. A499
(2003)624-632

98. S. Taylor, S. Ahmad, J. Distelbrink, G. S. Mutchler, E. Smith and T. Smith, The Clas
Start Counter, Nuclear Instruments and Methods in Physics Research A462(2001)484-
493

99. K. Ackermann, S. Ahmad representing STAR Collaboration, Elliptic Flow in Au + Au
Collisions at Sqrt (SNN) = 130 GeV, Phys. Rev. Letts., 86(2001)402-407

100. George Starkschall, Roy Steadham, Richard Popple, Salahuddin Ahmad, and Isaac
Rosen, Beam commissioning methodology for a three dimensional
convolution/superposition photon dose algorithm, Journal of Applied Clinical Medical
Physics, Vol 1: 8-27, 2000

Dr. Ahmad's CV