Terry Takatoshi Yoshizumi

Image of Terry Takatoshi Yoshizumi

Professor of Radiology

Major research focus relates to the following areas:
New radiation detector development and evaluation;
2-D radiochromic film dosimetry in CT;
Development of 3-D dosimetry model in CT;
Application of Presage 3D dosimetry in CT;
Irradiator dosimetry;
Stack monitoring of radioactive tritium gas and radioactive iodine;
Shielding design of modern x-ray machines;
MDCT and cone-beam CT dosimetry;
Application of MOSFET technology in diagnostic radiology and interventional/cardiac cath lab;Small animal dosimetry; Breast dosimetry in tomosynthesis;
Radiation shielding calculations in accelerator facilities;
Radiation safety program administration and policy development;
Regulatory compliance;
Radiological emergency responses.

Appointments and Affiliations

  • Professor of Radiology
  • Professor of Radiation Oncology

Contact Information:

  • Office Location: 2214 Elder Street, Rm 103, Durham, NC 27705
  • Office Phone: (919) 684-2194
  • Email Address: terry.yoshizumi@duke.edu

Education:

  • Memorial Sloan Kettering Cancer Center, 1981
  • Ph.D. University of Cincinnati, 1980
  • M.S. University of California at Los Angeles, 1975

Courses Taught:

  • MEDPHY 510: Radiation Protection
  • MEDPHY 714: Clinical Dosimetry Measurements
  • MEDPHY 718: Clinical Practicum and Shadowing (Medical Health Physics)

Representative Publications:

    • Kim, S; Frush, DP; Yoshizumi, TT, Bismuth shielding in CT: support for use in children., Pediatric Radiology, vol 40 no. 11 (2010), pp. 1739-1743 [10.1007/s00247-010-1807-3] [abs].
    • Sidhu, M; Goske, MJ; Connolly, B; Racadio, J; Yoshizumi, TT; Strauss, KJ; Coley, BD; Utley, T, Image Gently, Step Lightly: promoting radiation safety in pediatric interventional radiology., AJR. American journal of roentgenology, vol 195 no. 4 (2010), pp. W299-W301 [10.2214/AJR.09.3938] [abs].
    • Brady, SL; Gunasingha, R; Yoshizumi, TT; Howell, CR; Crowell, AS; Fallin, B; Tonchev, AP; Dewhirst, MW, A feasibility study using radiochromic films for fast neutron 2D passive dosimetry., Physics in Medicine and Biology, vol 55 no. 17 (2010), pp. 4977-4992 [10.1088/0031-9155/55/17/007] [abs].
    • Sidhu, M; Strauss, KJ; Connolly, B; Yoshizumi, TT; Racadio, J; Coley, BD; Utley, T; Goske, MJ, Radiation safety in pediatric interventional radiology., Techniques in Vascular and Interventional Radiology, vol 13 no. 3 (2010), pp. 158-166 [10.1053/j.tvir.2010.03.004] [abs].
    • Jaffe, TA; Hoang, JK; Yoshizumi, TT; Toncheva, G; Lowry, C; Ravin, C, Radiation dose for routine clinical adult brain CT: Variability on different scanners at one institution., AJR. American journal of roentgenology, vol 195 no. 2 (2010), pp. 433-438 [10.2214/AJR.09.3957] [abs].
    • Marin, D; Nelson, RC; Barnhart, H; Schindera, ST; Ho, LM; Jaffe, TA; Yoshizumi, TT; Youngblood, R; Samei, E, 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 (2010), pp. 450-459 [10.1148/radiol.10091819] [abs].
    • Kim, S; Yoo, S; Yin, F-F; Samei, E; Yoshizumi, T, Kilovoltage cone-beam CT: comparative dose and image quality evaluations in partial and full-angle scan protocols., Medical physics, vol 37 no. 7 (2010), pp. 3648-3659 [10.1118/1.3438478] [abs].
    • Kim, S; Yoshizumi, T; Toncheva, G; Yoo, S; Yin, F-F; Frush, D, Estimation of computed tomography dose index in cone beam computed tomography: MOSFET measurements and Monte Carlo simulations., Health Physics, vol 98 no. 5 (2010), pp. 683-691 [10.1097/HP.0b013e3181cd3ec3] [abs].
    • Kim, S; Yoshizumi, TT; Toncheva, G; Frush, DP; Yin, F-F, Estimation of absorbed doses from paediatric cone-beam CT scans: MOSFET measurements and Monte Carlo simulations., Radiation Protection Dosimetry, vol 138 no. 3 (2010), pp. 257-263 [10.1093/rpd/ncp257] [abs].
    • Marin, D; Nelson, RC; Schindera, ST; Richard, S; Youngblood, RS; Yoshizumi, TT; Samei, E, Low-tube-voltage, high-tube-current multidetector abdominal CT: improved image quality and decreased radiation dose with adaptive statistical iterative reconstruction algorithm--initial clinical experience., Radiology, vol 254 no. 1 (2010), pp. 145-153 [10.1148/radiol.09090094] [abs].
    • Kim, S; Yoshizumi, TT; Frush, DP; Toncheva, G; Yin, F-F, Radiation dose from cone beam CT in a pediatric phantom: risk estimation of cancer incidence., AJR. American journal of roentgenology, vol 194 no. 1 (2010), pp. 186-190 [10.2214/AJR.08.2168] [abs].
    • Mettler, FA; Bhargavan, M; Faulkner, K; Gilley, DB; Gray, JE; Ibbott, GS; Lipoti, JA; Mahesh, M; McCrohan, JL; Stabin, MG; Thomadsen, BR; Yoshizumi, TT, Radiologic and nuclear medicine studies in the United States and worldwide: frequency, radiation dose, and comparison with other radiation sources--1950-2007., Radiology, vol 253 no. 2 (2009), pp. 520-531 [10.1148/radiol.2532082010] [abs].
    • Ho, LM; Yoshizumi, TT; Hurwitz, LM; Nelson, RC; Marin, D; Toncheva, G; Schindera, ST, Dual energy versus single energy MDCT: measurement of radiation dose using adult abdominal imaging protocols., Academic Radiology, vol 16 no. 11 (2009), pp. 1400-1407 [10.1016/j.acra.2009.05.002] [abs].
    • Sidhu, M; Coley, BD; Goske, MJ; Connolly, B; Racadio, J; Yoshizumi, TT; Utley, T; Strauss, KJ, Image Gently, Step Lightly: increasing radiation dose awareness in pediatric interventional radiology., Pediatric Radiology, vol 39 no. 10 (2009), pp. 1135-1138 [10.1007/s00247-009-1392-5] [abs].
    • Jaffe, TA; Neville, AM; Anderson-Evans, C; Long, S; Lowry, C; Yoshizumi, TT; Toncheva, G, Early first trimester fetal dose estimation method in a multivendor study of 16- and 64-MDCT scanners and low-dose imaging protocols., AJR. American journal of roentgenology, vol 193 no. 4 (2009), pp. 1019-1024 [10.2214/AJR.08.2274] [abs].
    • Jaffe, TA; Yoshizumi, TT; Toncheva, G; Anderson-Evans, C; Lowry, C; Miller, CM; Nelson, RC; Ravin, CE, Radiation dose for body CT protocols: variability of scanners at one institution., AJR. American journal of roentgenology, vol 193 no. 4 (2009), pp. 1141-1147 [10.2214/AJR.09.2330] [abs].
    • Sidhu, MK; Goske, MJ; Coley, BJ; Connolly, B; Racadio, J; Yoshizumi, TT; Utley, T; Strauss, KJ, Image gently, step lightly: increasing radiation dose awareness in pediatric interventions through an international social marketing campaign., JVIR: Journal of Vascular and Interventional Radiology, vol 20 no. 9 (2009), pp. 1115-1119 [10.1016/j.jvir.2009.07.021] [abs].
    • Brady, SL; Toncheva, G; Dewhirst, MW; Yoshizumi, TT, Characterization of a 137Cs irradiator from a new perspective with modern dosimetric tools., Health Physics, vol 97 no. 3 (2009), pp. 195-205 [10.1097/HP.0b013e3181a9bd42] [abs].
    • Schindera, ST; Nelson, RC; Yoshizumi, T; Toncheva, G; Nguyen, G; DeLong, DM; Szucs-Farkas, Z, Effect of automatic tube current modulation on radiation dose and image quality for low tube voltage multidetector row CT angiography: phantom study., Academic Radiology, vol 16 no. 8 (2009), pp. 997-1002 [10.1016/j.acra.2009.02.021] [abs].
    • Kim, S; Toncheva, G; Anderson-Evans, C; Huh, BK; Gray, L; Yoshizumi, T, Kerma area product method for effective dose estimation during lumbar epidural steroid injection procedures: phantom study., AJR. American journal of roentgenology, vol 192 no. 6 (2009), pp. 1726-1730 [10.2214/AJR.08.1713] [abs].
    • Marin, D; Nelson, RC; Samei, E; Paulson, EK; Ho, LM; Boll, DT; DeLong, DM; Yoshizumi, TT; Schindera, ST, Hypervascular liver tumors: low tube voltage, high tube current multidetector CT during late hepatic arterial phase for detection--initial clinical experience., Radiology, vol 251 no. 3 (2009), pp. 771-779 [10.1148/radiol.2513081330] [abs].
    • Domeshek, LF; Mukundan, S; Yoshizumi, T; Marcus, JR, Increasing concern regarding computed tomography irradiation in craniofacial surgery., Plastic and Reconstructive Surgery, vol 123 no. 4 (2009), pp. 1313-1320 [10.1097/PRS.0b013e31819e26d5] [abs].
    • Shrimpton, PC; Wall, BF; Yoshizumi, TT; Hurwitz, LM; Goodman, PC, Effective dose and dose-length product in CT., Radiology, vol 250 no. 2 (2009), pp. 604-605 [10.1148/radiol.2502081340] [abs].
    • Hurwitz, LM; Yoshizumi, TT; Goodman, PC; Nelson, RC; Toncheva, G; Nguyen, GB; Lowry, C; Anderson-Evans, C, Radiation dose savings for adult pulmonary embolus 64-MDCT using bismuth breast shields, lower peak kilovoltage, and automatic tube current modulation., AJR. American journal of roentgenology, vol 192 no. 1 (2009), pp. 244-253 [10.2214/AJR.08.1066] [abs].
    • Kim, S; Yoshizumi, TT; Frush, DP; Anderson-Evans, C; Toncheva, G, Dosimetric characterisation of bismuth shields in CT: measurements and Monte Carlo simulations., Radiation Protection Dosimetry, vol 133 no. 2 (2009), pp. 105-110 [10.1093/rpd/ncp025] [abs].
    • Mettler, FA; Thomadsen, BR; Bhargavan, M; Gilley, DB; Gray, JE; Lipoti, JA; McCrohan, J; Yoshizumi, TT; Mahesh, M, Medical radiation exposure in the U.S. in 2006: preliminary results., Health Physics, vol 95 no. 5 (2008), pp. 502-507 [10.1097/01.HP.0000326333.42287.a2] [abs].
    • Mettler, FA; Bhargavan, M; Thomadsen, BR; Gilley, DB; Lipoti, JA; Mahesh, M; McCrohan, J; Yoshizumi, TT, Nuclear medicine exposure in the United States, 2005-2007: preliminary results., Seminars in Nuclear Medicine, vol 38 no. 5 (2008), pp. 384-391 [10.1053/j.semnuclmed.2008.05.004] [abs].
    • De Lin, M; Toncheva, G; Nguyen, G; Kim, S; Anderson-Evans, C; Johnson, GA; Yoshizumi, TT, Application of MOSFET detectors for dosimetry in small animal radiography using short exposure times., Radiation Research, vol 170 no. 2 (2008), pp. 260-263 [10.1667/RR1328.1] [abs].
    • Mettler, FA; Huda, W; Yoshizumi, TT; Mahesh, M, Effective doses in radiology and diagnostic nuclear medicine: a catalog., Radiology, vol 248 no. 1 (2008), pp. 254-263 [10.1148/radiol.2481071451] [abs].
    • Jaffe, TA; Yoshizumi, TT; Toncheva, GI; Nguyen, G; Hurwitz, LM; Nelson, RC, Early first-trimester fetal radiation dose estimation in 16-MDCT without and with automated tube current modulation., AJR. American journal of roentgenology, vol 190 no. 4 (2008), pp. 860-864 [10.2214/AJR.07.2925] [abs].
    • Gaca, AM; Jaffe, TA; Delaney, S; Yoshizumi, T; Toncheva, G; Nguyen, G; Frush, DP, Radiation doses from small-bowel follow-through and abdomen/pelvis MDCT in pediatric Crohn disease., Pediatric Radiology, vol 38 no. 3 (2008), pp. 285-291 [10.1007/s00247-007-0702-z] [abs].
    • Schindera, ST; Nelson, RC; Toth, TL; Nguyen, GT; Toncheva, GI; DeLong, DM; Yoshizumi, TT, Effect of patient size on radiation dose for abdominal MDCT with automatic tube current modulation: phantom study., AJR. American journal of roentgenology, vol 190 no. 2 (2008), pp. W100-W105 [10.2214/AJR.07.2891] [abs].
    • Coursey, C; Frush, DP; Yoshizumi, T; Toncheva, G; Nguyen, G; Greenberg, SB, Pediatric chest MDCT using tube current modulation: effect on radiation dose with breast shielding., AJR. American journal of roentgenology, vol 190 no. 1 (2008), pp. W54-W61 [10.2214/AJR.07.2017] [abs].
    • Schindera, ST; Nelson, RC; Mukundan, S; Paulson, EK; Jaffe, TA; Miller, CM; DeLong, DM; Kawaji, K; Yoshizumi, TT; Samei, E, Hypervascular liver tumors: low tube voltage, high tube current multi-detector row CT for enhanced detection--phantom study., Radiology, vol 246 no. 1 (2008), pp. 125-132 [10.1148/radiol.2461070307] [abs].
    • Kim, S; Yoshizumi, TT; Toncheva, G; Yoo, S; Yin, F-F, Comparison of radiation doses between cone beam CT and multi detector CT: TLD measurements., Radiation Protection Dosimetry, vol 132 no. 3 (2008), pp. 339-345 [10.1093/rpd/ncn305] [abs].
    • Hurwitz, LM; Reiman, RE; Yoshizumi, TT; Goodman, PC; Toncheva, G; Nguyen, G; Lowry, C, Radiation dose from contemporary cardiothoracic multidetector CT protocols with an anthropomorphic female phantom: implications for cancer induction., Radiology, vol 245 no. 3 (2007), pp. 742-750 [10.1148/radiol.2453062046] [abs].
    • Jaffe, TA; Gaca, AM; Delaney, S; Yoshizumi, TT; Toncheva, G; Nguyen, G; Frush, DP, Radiation doses from small-bowel follow-through and abdominopelvic MDCT in Crohn's disease., AJR. American journal of roentgenology, vol 189 no. 5 (2007), pp. 1015-1022 [10.2214/AJR.07.2427] [abs].
    • Hollingsworth, CL; Yoshizumi, TT; Frush, DP; Chan, FP; Toncheva, G; Nguyen, G; Lowry, CR; Hurwitz, LM, Pediatric cardiac-gated CT angiography: assessment of radiation dose., AJR. American journal of roentgenology, vol 189 no. 1 (2007), pp. 12-18 [10.2214/AJR.06.1507] [abs].
    • Hurwitz, LM; Yoshizumi, TT; Goodman, PC; Frush, DP; Nguyen, G; Toncheva, G; Lowry, C, Effective dose determination using an anthropomorphic phantom and metal oxide semiconductor field effect transistor technology for clinical adult body multidetector array computed tomography protocols., Journal of Computer Assisted Tomography, vol 31 no. 4 (2007), pp. 544-549 [10.1097/RCT.0b013e31802d3dd2] [abs].
    • Mukundan, S; Wang, PI; Frush, DP; Yoshizumi, T; Marcus, J; Kloeblen, E; Moore, M, MOSFET dosimetry for radiation dose assessment of bismuth shielding of the eye in children., AJR. American journal of roentgenology, vol 188 no. 6 (2007), pp. 1648-1650 [10.2214/AJR.06.1146] [abs].
    • Yoshizumi, TT; Goodman, PC; Frush, DP; Nguyen, G; Toncheva, G; Sarder, M; Barnes, L, Validation of metal oxide semiconductor field effect transistor technology for organ dose assessment during CT: comparison with thermoluminescent dosimetry., AJR. American journal of roentgenology, vol 188 no. 5 (2007), pp. 1332-1336 [10.2214/AJR.06.0742] [abs].
    • Schindera, ST; Nelson, RC; Lee, ER; Delong, DM; Ngyen, G; Toncheva, G; Yoshizumi, TT, Abdominal multislice CT for obese patients: effect on image quality and radiation dose in a phantom study., Academic Radiology, vol 14 no. 4 (2007), pp. 486-494 [10.1016/j.acra.2007.01.030] [abs].
    • Yoshizumi, T, [Relationship between the criteria for metabolic syndrome and the evaluation of abdominal fat distribution measured by CT scan]., Nippon Hoshasen Gijutsu Gakkai zasshi, vol 63 no. 3 (2007), pp. 276-284 [abs].
    • Lin, MD; Samei, E; Badea, CT; Yoshizumi, TT; Johnson, GA, Optimized radiographic spectra for small animal digital subtraction angiography., Medical physics, vol 33 no. 11 (2006), pp. 4249-4257 [10.1118/1.2356646] [abs].
    • Frush, DP; Yoshizumi, T, Conventional and CT angiography in children: dosimetry and dose comparisons., Pediatric Radiology, vol 36 Suppl 2 (2006), pp. 154-158 [10.1007/s00247-006-0190-6] [abs].
    • Hurwitz, LM; Yoshizumi, TT; Reiman, RE; Paulson, EK; Frush, DP; Nguyen, GT; Toncheva, GI; Goodman, PC, Radiation dose to the female breast from 16-MDCT body protocols., AJR. American journal of roentgenology, vol 186 no. 6 (2006), pp. 1718-1722 [10.2214/AJR.04.1917] [abs].
    • Hurwitz, LM; Yoshizumi, T; Reiman, RE; Goodman, PC; Paulson, EK; Frush, DP; Toncheva, G; Nguyen, G; Barnes, L, Radiation dose to the fetus from body MDCT during early gestation., AJR. American journal of roentgenology, vol 186 no. 3 (2006), pp. 871-876 [10.2214/AJR.04.1915] [abs].
    • Jaffe, TA; Nelson, RC; Johnson, GA; Lee, ER; Yoshizumi, TT; Lowry, CR; Bullard, AB; DeLong, DM; Paulson, EK, Optimization of multiplanar reformations from isotropic data sets acquired with 16-detector row helical CT scanner., Radiology, vol 238 no. 1 (2006), pp. 292-299 [10.1148/radiol.2381050404] [abs].
    • Samei, E; Lo, JY; Yoshizumi, TT; Jesneck, JL; Dobbins, JT; Floyd, CE; McAdams, HP; Ravin, CE, Comparative scatter and dose performance of slot-scan and full-field digital chest radiography systems., Radiology, vol 235 no. 3 (2005), pp. 940-949 [10.1148/radiol.2353040516] [abs].
    • Heneghan, JP; McGuire, KA; Leder, RA; DeLong, DM; Yoshizumi, T; Nelson, RC, Helical CT for nephrolithiasis and ureterolithiasis: comparison of conventional and reduced radiation-dose techniques., Radiology, vol 229 no. 2 (2003), pp. 575-580 [10.1148/radiol.2292021261] [abs].
    • Gupta, AK; Nelson, RC; Johnson, GA; Paulson, EK; Delong, DM; Yoshizumi, TT, Optimization of eight-element multi-detector row helical CT technology for evaluation of the abdomen., Radiology, vol 227 no. 3 (2003), pp. 739-745 [10.1148/radiol.2273020591] [abs].
    • Thomton, FJ; Paulson, EK; Yoshizumi, TT; Frush, DP; Nelson, RC, Single versus multi-detector row CT: comparison of radiation doses and dose profiles., Academic Radiology, vol 10 no. 4 (2003), pp. 379-385 [abs].
    • Fricke, BL; Donnelly, LF; Frush, DP; Yoshizumi, T; Varchena, V; Poe, SA; Lucaya, J, In-plane bismuth breast shields for pediatric CT: effects on radiation dose and image quality using experimental and clinical data., AJR. American journal of roentgenology, vol 180 no. 2 (2003), pp. 407-411 [10.2214/ajr.180.2.1800407] [abs].
    • Yoshizumi, TT; Nelson, RC, Radiation issues with multidetector row helical CT., Critical Reviews in Computed Tomography, vol 44 no. 2 (2003), pp. 95-117 [abs].
    • Spielmann, AL; Heneghan, JP; Lee, LJ; Yoshizumi, T; Nelson, RC, Decreasing the radiation dose for renal stone CT: a feasibility study of single- and multidetector CT., AJR. American journal of roentgenology, vol 178 no. 5 (2002), pp. 1058-1062 [10.2214/ajr.178.5.1781058] [abs].
    • Paulson, EK; Sheafor, DH; Enterline, DS; McAdams, HP; Yoshizumi, TT, CT fluoroscopy--guided interventional procedures: techniques and radiation dose to radiologists., Radiology, vol 220 no. 1 (2001), pp. 161-167 [10.1148/radiology.220.1.r01jl29161] [abs].
    • Yoshizumi, TT, Design and development of a radioactive gas monitoring system in the positron emission tomography center., Health Physics, vol 79 no. 5 Suppl (2000), pp. S66-S69 [abs].
    • Mazza, SM; Yoshizumi, T, 48V radionuclidic impurity in product streams from liquid cyclotron targets with titanium windows., Nuclear Medicine and Biology, vol 21 no. 4 (1994), pp. 677-679 [abs].
    • Yoshizumi, TT; Suneja, SK; Teal, JS; Sutton, AM; Collyer, D, Defective parallel-hole collimator encountered in SPECT: a suggested approach to avoid potential problems., Journal of nuclear medicine : official publication, Society of Nuclear Medicine, vol 31 no. 11 (1990), pp. 1892-1893 [abs].
    • Yoshizumi, TT; Suneja, SK; Teal, JS, Practical CT dosimetry., Radiologic Technology, vol 60 no. 6 (1989), pp. 505-509 [abs].
    • Yoshizumi, TT; Chuprinko, CA, Accidental CT scanning without A1 filtration and its dosimetry., Health Physics, vol 56 no. 2 (1989), pp. 253-254 [abs].
    • Yoshizumi, TT; Drummond, KT; Freeman, JO; Mullett, MD, Radiation safety and protection of neonates in radiological examinations., Radiologic Technology, vol 58 no. 5 (1987), pp. 405-408 [abs].
    • Cho, ZH; Hilal, SK; Ra, JB; Hong, KS; Bigler, RE; Yoshizumi, T; Wolf, AP; Fowler, JS, High-resolution circular ring positron tomograph with dichotomic sampling: Dichotom-I., Physics in Medicine and Biology, vol 28 no. 11 (1983), pp. 1219-1234 [abs].