Ehsan Samei, Professor of Radiology, Medical Physics Graduate Progra and Biomedical Engineering  


Ehsan Samei
Contact Info:
Office Location:  2424 Erwin Road, Suite 302
Email Address:   send me a message
Web Page: http://railabs.duhs.duke.edu

Education:

Ph.D., University of Michigan at Ann Arbor, 1997
M.E., University of Michigan at Ann Arbor, 1995
Specialties:

Medical Imaging
Awards, Honors, and Distinctions

Award for Excellence, Best Diagnostic Imaging Paper, American College of Medical Physics, 2001
Honorable Mention for Paper, SPIE Medical Imaging Symposium, 2001
Cum Laude for Scientific Exhibit, Radiological Society of North America Meeting, Chicago, IL, December 2000
Honorable Mention for Poster, Society of Nuclear Medicine Conference, Toronto, Canada, June 1998
3rd Prize, Young Investigator Competition, AAPM Annual Meeting, Milwaukee, WI, June 1997
1st Place, Siemens/Norman Horowitz Award for Best Paper, Young Investigator Competition of AAPM Great Lakes Chapter Meeting, April 1997
Best Student Presentation, Health Physics Society Great Lakes Chapter Meeting, 1995
Best Student Presentation, Health Physics Society Annual Meeting, 1994
Representative Publications   (More Publications)

  1. LJ Webb, E Samei, JY Lo, JA Baker, SV Ghate, C Kim, MS Soo, R Walsh, Comparative performance of multiview stereoscopic and mammographic display modalities for breast lesion detection., Medical physics, vol. 38 no. 4 (April, 2011), pp. 1972-80  [abs].
  2. B Chen, J Shorey, RS Saunders Jr, S Richard, J Thompson, LW Nolte, E Samei, An anthropomorphic breast model for breast imaging simulation and optimization., Academic radiology, vol. 18 no. 5 (May, 2011), pp. 536-46 [doi]  [abs].
  3. B D'Alessandro, M Madsen, E Samei, X Li, J Wooi-Tan, KS Berbaum, K Schartz, R Caldwell, LS Zuckier, Synthetic positron emission tomography-computed tomography images for use in perceptual studies., Seminars in nuclear medicine, vol. 41 no. 6 (November, 2011), pp. 437-48 [doi]  [abs].
  4. S Kim, H Song, E Samei, FF Yin, TT Yoshizumi, Computed tomography dose index and dose length product for cone-beam CT: Monte Carlo simulations., Journal of applied clinical medical physics / American College of Medical Physics, vol. 12 no. 2 (2011), pp. 3395  [abs].
  5. X Li, E Samei, HX Barnhart, AM Gaca, CL Hollingsworth, CM Maxfield, CW Carrico, JG Colsher, DP Frush, Lung nodule detection in pediatric chest CT: quantitative relationship between image quality and radiologist performance., Medical physics, vol. 38 no. 5 (May, 2011), pp. 2609-18  [abs].
  6. X Li, E Samei, WP Segars, GM Sturgeon, JG Colsher, DP Frush, Patient-specific radiation dose and cancer risk for pediatric chest CT., Radiology, vol. 259 no. 3 (June, 2011), pp. 862-74 [doi]  [abs].
  7. X Li, E Samei, WP Segars, GM Sturgeon, JG Colsher, G Toncheva, TT Yoshizumi, DP Frush, Patient-specific radiation dose and cancer risk estimation in CT: part I. development and validation of a Monte Carlo program., Medical physics, vol. 38 no. 1 (January, 2011), pp. 397-407  [abs].
  8. X Li, E Samei, WP Segars, GM Sturgeon, JG Colsher, G Toncheva, TT Yoshizumi, DP Frush, Patient-specific radiation dose and cancer risk estimation in CT: part II. Application to patients., Medical physics, vol. 38 no. 1 (January, 2011), pp. 408-19  [abs].
  9. E Samei, N Majdi-Nasab, JT Dobbins 3rd, HP McAdams, Biplane Correlation Imaging: A Feasibility Study Based on Phantom and Human Data., Journal of digital imaging : the official journal of the Society for Computer Applications in Radiology (May, 2011) [doi]  [abs].
  10. E Samei, NT Ranger, JT Dobbins, CE Ravin, Effective dose efficiency: an application-specific metric of quality and dose for digital radiography., Physics in medicine and biology, vol. 56 no. 16 (August, 2011), pp. 5099-118 [doi]  [abs].
  11. E Samei, RS Saunders, Dual-energy contrast-enhanced breast tomosynthesis: optimization of beam quality for dose and image quality., Physics in medicine and biology, vol. 56 no. 19 (October, 2011), pp. 6359-78 [doi]  [abs].
  12. CL Wang, YW Chea, DT Boll, E Samei, AM Neville, BM Dale, EM Merkle, Effect of gadolinium chelate contrast agents on diffusion weighted MR imaging of the liver, spleen, pancreas and kidney at 3T., European journal of radiology, vol. 80 no. 2 (November, 2011), pp. e1-7 [doi]  [abs].
  13. S Kim, S Yoo, FF Yin, E Samei, T Yoshizumi, Kilovoltage cone-beam CT: comparative dose and image quality evaluations in partial and full-angle scan protocols., Medical physics, vol. 37 no. 7 (July, 2010), pp. 3648-59  [abs].
  14. D Marin, RC Nelson, H Barnhart, ST Schindera, LM Ho, TA Jaffe, TT Yoshizumi, R Youngblood, E Samei, Detection of pancreatic tumors, image quality, and radiation dose during the pancreatic parenchymal phase: effect of a low-tube-voltage, high-tube-current CT technique--preliminary results., Radiology, vol. 256 no. 2 (August, 2010), pp. 450-9 [doi]  [abs].
  15. S Richard, E Samei, Quantitative breast tomosynthesis: from detectability to estimability., Medical physics, vol. 37 no. 12 (December, 2010), pp. 6157-65  [abs].
  16. S Richard, E Samei, Quantitative imaging in breast tomosynthesis and CT: comparison of detection and estimation task performance., Medical physics, vol. 37 no. 6 (June, 2010), pp. 2627-37  [abs].
  17. AS Chawla, RS Saunders, S Singh, JY Lo, E Samei, Towards optimized acquisition scheme for multiprojection correlation imaging of breast cancer., Academic radiology, United States, vol. 16 no. 4 (April, 2009), pp. 456-63  [abs].
  18. BJ Pollard, E Samei, AS Chawla, J Baker, S Ghate, C Kim, MS Soo, N Hashimoto, The influence of increased ambient lighting on mass detection in mammograms., Academic radiology, United States, vol. 16 no. 3 (March, 2009), pp. 299-304  [abs].
  19. X Li, E Samei, Comparison of patient size-based methods for estimating quantum noise in CT images of the lung., Medical physics, United States, vol. 36 no. 2 (February, 2009), pp. 541-6  [abs].
  20. C Castella, MP Eckstein, CK Abbey, K Kinkel, FR Verdun, RS Saunders, E Samei, FO Bochud, Mass detection on mammograms: influence of signal shape uncertainty on human and model observers., Journal of the Optical Society of America. A, Optics, image science, and vision, United States, vol. 26 no. 2 (February, 2009), pp. 425-36  [abs].
  21. X Li, E Samei, DM Delong, RP Jones, AM Gaca, CL Hollingsworth, CM Maxfield, CW Carrico, DP Frush, Three-dimensional simulation of lung nodules for paediatric multi-detector array CT., The British journal of radiology (January, 2009)  [abs].
  22. X Li, E Samei, WP Segars, GM Sturgeon, JG Colsher, DP Frush, Patient-specific dose estimation for pediatric chest CT., Medical physics, United States, vol. 35 no. 12 (December, 2008), pp. 5821-8  [abs].
  23. E Samei, JY Lo, TT Yoshizumi, JL Jesneck, JT Dobbins, CE Floyd, HP McAdams, CE Ravin, Comparative scatter and dose performance of slot-scan and full-field digital chest radiography systems., Radiology, United States, vol. 235 no. 3 (June, 2005), pp. 940-9  [abs].
  24. RS Saunders, E Samei, JL Jesneck, JY Lo, Physical characterization of a prototype selenium-based full field digital mammography detector., Medical physics, United States, vol. 32 no. 2 (February, 2005), pp. 588-99  [abs].
  25. E Samei, A Rowberg, E Avraham, C Cornelius, Toward clinically relevant standardization of image quality., Journal of digital imaging : the official journal of the Society for Computer Applications in Radiology, United States, vol. 17 no. 4 (December, 2004), pp. 271-8  [abs].
  26. E Samei, SL Wright, Luminance and contrast performance of liquid crystal displays for mammographic applications., Technology in cancer research & treatment, United States, vol. 3 no. 5 (October, 2004), pp. 429-36  [abs].
  27. E Samei, RS Saunders, JY Lo, JT Dobbins, JL Jesneck, CE Floyd, CE Ravin, Fundamental imaging characteristics of a slot-scan digital chest radiographic system., Medical physics, United States, vol. 31 no. 9 (September, 2004), pp. 2687-98  [abs].
  28. U Neitzel, S Günther-Kohfahl, G Borasi, E Samei, Determination of the detective quantum efficiency of a digital x-ray detector: comparison of three evaluations using a common image data set., Medical physics, United States, vol. 31 no. 8 (August, 2004), pp. 2205-11  [abs].
  29. H Jung, HJ Kim, WS Kang, SK Yoo, K Fujioka, M Hasegawa, E Samei, Assessment of flat panel LCD primary class display performance based on AAPM TG 18 acceptance protocol., Medical physics, United States, vol. 31 no. 7 (July, 2004), pp. 2155-64  [abs].
  30. RS Saunders, E Samei, C Hoeschen, Impact of resolution and noise characteristics of digital radiographic detectors on the detectability of lung nodules., Medical physics, United States, vol. 31 no. 6 (June, 2004), pp. 1603-13  [abs].
  31. RL McKinley, MP Tornai, E Samei, ML Bradshaw, Simulation study of a quasi-monochromatic beam for x-ray computed mammotomography., Medical physics, United States, vol. 31 no. 4 (April, 2004), pp. 800-13  [abs].
  32. RS Saunders, E Samei, A method for modifying the image quality parameters of digital radiographic images., Medical physics, United States, vol. 30 no. 11 (November, 2003), pp. 3006-17  [abs].
  33. SR Turner, E Samei, BS Hertzberg, DM DeLong, R Vargas-Voracek, A Singer, CH Maynor, MA Kliewer, Sonography of fetal choroid plexus cysts: detection depends on cyst size and gestational age., Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine, United States, vol. 22 no. 11 (November, 2003), pp. 1219-27  [abs].
  34. E Samei, Image quality in two phosphor-based flat panel digital radiographic detectors., Medical physics, United States, vol. 30 no. 7 (July, 2003), pp. 1747-57  [abs].
  35. E Samei, MJ Flynn, E Peterson, WR Eyler, Subtle lung nodules: influence of local anatomic variations on detection., Radiology, United States, vol. 228 no. 1 (July, 2003), pp. 76-84  [abs].
  36. E Samei, MJ Flynn, An experimental comparison of detector performance for direct and indirect digital radiography systems., Medical physics, United States, vol. 30 no. 4 (April, 2003), pp. 608-22  [abs].
  37. E Samei, JG Hill, GD Frey, WM Southgate, E Mah, D Delong, Evaluation of a flat panel digital radiographic system for low-dose portable imaging of neonates., Medical physics, United States, vol. 30 no. 4 (April, 2003), pp. 601-7  [abs].
  38. JT Dobbins, E Samei, HG Chotas, RJ Warp, AH Baydush, CE Floyd, CE Ravin, Chest radiography: optimization of X-ray spectrum for cesium iodide-amorphous silicon flat-panel detector., Radiology, United States, vol. 226 no. 1 (January, 2003), pp. 221-30  [abs].
  39. E Samei, MJ Flynn, An experimental comparison of detector performance for computed radiography systems., Medical physics, United States, vol. 29 no. 4 (April, 2002), pp. 447-59  [abs].
  40. E Samei, JA Seibert, CE Willis, MJ Flynn, E Mah, KL Junck, Performance evaluation of computed radiography systems., Medical physics, United States, vol. 28 no. 3 (March, 2001), pp. 361-71  [abs].
  41. E Mah, E Samei, DJ Peck, Evaluation of a quality control phantom for digital chest radiography., Journal of applied clinical medical physics / American College of Medical Physics, United States, vol. 2 no. 2 (2001), pp. 90-101  [abs].
  42. MT Ryan, KM Spicer, D Frei-Lahr, E Samei, GD Frey, H Hargrove, G Bloodworth, Health physics consequences of out-patient treatment of non-Hodgkin's lymphoma with 131I-radiolabeled anti-B1 antibody., Health physics, UNITED STATES, vol. 79 no. 5 Suppl (November, 2000), pp. S52-5  [abs].
  43. KJ Kearfott, S Han, EC Wagner, E Samei, CK Wang, Numerical simulation of a TLD pulsed laser-heating scheme for determination of shallow dose and deep dose in low-LET radiation fields., Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, England, vol. 52 no. 6 (June, 2000), pp. 1419-29  [abs].
  44. E Samei, MJ Flynn, WR Eyler, Detection of subtle lung nodules: relative influence of quantum and anatomic noise on chest radiographs., Radiology, UNITED STATES, vol. 213 no. 3 (December, 1999), pp. 727-34  [abs].
  45. MJ Flynn, E Samei, Experimental comparison of noise and resolution for 2k and 4k storage phosphor radiography systems., Medical physics, UNITED STATES, vol. 26 no. 8 (August, 1999), pp. 1612-23  [abs].
  46. E Samei, MJ Flynn, DA Reimann, A method for measuring the presampled MTF of digital radiographic systems using an edge test device., Medical physics, UNITED STATES, vol. 25 no. 1 (January, 1998), pp. 102-13  [abs].
  47. E Samei, MJ Flynn, WR Eyler, Simulation of subtle lung nodules in projection chest radiography., Radiology, UNITED STATES, vol. 202 no. 1 (January, 1997), pp. 117-24  [abs].
  48. E Samei, KJ Kearfott, A limited bibliography of the Federal Government-funded human radiation experiments., Health physics, UNITED STATES, vol. 69 no. 6 (December, 1995), pp. 885-91  [abs].
  49. KJ Kearfott, S Han, KL McMahan, E Samei, Sensitivity of a mixed field dosimetry algorithm to uncertainties in thermoluminescent element readings., Health physics, UNITED STATES, vol. 68 no. 3 (March, 1995), pp. 340-9  [abs].
  50. E Samei, AAPM/RSNA physics tutorial for residents: technological and psychophysical considerations for digital mammographic displays., Radiographics : a review publication of the Radiological Society of North America, Inc, United States, vol. 25 no. 2 , pp. 491-501  [abs].
  51. E Samei, JA Seibert, K Andriole, A Badano, J Crawford, B Reiner, MJ Flynn, P Chang, AAPM/RSNA tutorial on equipment selection: PACS equipment overview: general guidelines for purchasing and acceptance testing of PACS equipment., Radiographics : a review publication of the Radiological Society of North America, Inc, United States, vol. 24 no. 1 , pp. 313-34  [abs].
  52. GH Beute, MJ Flynn, WR Eyler, E Samei, DL Spizarny, CJ Zylak, Chest radiographic image quality: comparison of asymmetric screen-film, digital storage phosphor, and digital selenium drum systems--preliminary study., Radiographics : a review publication of the Radiological Society of North America, Inc, UNITED STATES, vol. 18 no. 3 , pp. 745-54  [abs].