Earl Nixon, MS, DABR

Associate of Radiation Oncology


Certificate, Radiography, Academy of Health Sciences
BS, Clinical Engineering, University of Applied Sciences
MS, Biomedical Engineering, University of Iowa
Resident, CAMPEP Accredited Medical Physics Residency, University of Iowa Hospitals and Clinics, Iowa City, IA

Licensure and Certifications

Board Certification in Therapeutic Medical Physics - The American Board of Radiology
Iowa IDPH Bureau of Radiological Health: Medical Physicist - Iowa Dept. of Public Health Bureau of Radiological Health
The American Registry of Radiologic Technologists: Radiography R.T. (R) - The American Registry of Radiologic Technologists


Hancock, S., Clements, C., Hyer, D., Nixon, E., Martin, E., Wang, B., Jani, S. & Gossman, M. (2016). Comprehensive Machine Isocenter Evaluation with Separation of Gantry, Collimator, and Table Variables. In Medical Physics. (Vols. 43). (6), pp. 3663-3664. DOI: 10.1118/1.4957039.

Wang, D., Nixon, E., Oldham, A., Flynn, R. & Buatti, J. (2015). Personalized imaging in radiation oncology: In Regard to Zhang et al. (Vols. 93). (1), pp. 211. International journal of radiation oncology, biology, physics. PMID: 26279039.

Julius, B., Lin, S., Rahmani, D., Rockey, W., Tracy, C., Nixon, E., Modrick, J., Sander, E. & Kim, Y. (2013). Development of a Low Cost, Easily-Made, Interchangeable, Prostate Brachytherapy Phantom for Multi-Imaging Guidance Using Ultrasound, CT and MRI. In Medical Physics. (Vols. 40). (6), pp. 157. DOI: 10.1118/1.4814248.

Hyer, D., Mart, C. & Nixon, E. (2012). Development and Implementation of an EPID-Based Method for Localizing Isocenter. Journal of Applied Clinical Medical Physics, 13(6), 72-81. PMID: 23149787.

Nelms, D., Shukla, H., Nixon, E., Bayouth, J. & Flynn, R. (2009). Assessment of Three Dead Detector Correction Methods for Cone Beam Computed Tomography. Journal of Medical Physics, 36(10), 4569-4576. PMID: 19928088.

Flynn, R., Hartmann, J., Bani-Hashemi, A., Nixon, E., Siochi, R., Pennington, E. & Bayouth, J. (2009). Dosimetric Characterization of an Imaging Beam Line with a Carbon Electron Target for Meagavoltage Cone Beam Computed Tomography. (Vols. 36). pp. 2181. Medical Physics. DOI: 10.1118/1.3182673.

Nelms, D., Shukla, H., Nixon, E., Bayouth, J. & Flynn, R. (2009). Quantitative Assessment of Three Dead Detector Interpolative Correction Methods fo Cone Beam CT Images. (Vols. 36). pp. 2475. Medical Physics. DOI: 10.1118/1.3181295.

Flynn, R. T., Hartmann, J., Bani-Hashemi, A., Nixon, E., Alfredo, R., Siochi, C., Pennington, E. C. & Bayouth, J. E. (2009). Dosimetric characterization and application of an imaging beam line with a carbon electron target for megavoltage cone beam computed tomography. Medical physics, 36(6), 2181-92. PMID: 19610307.

Nixon, E., Kim, Y., Kearney, W., Modrick, J., Jacobson, G., Bhatia, S. & Bayouth, J. (2008). HDR Brachytherapy Tandem and Ovoid Titanium Applicator Safety Assessment in 3T MRI. (Vols. 7). (2), pp. 35. Brachytherapy. DOI: 10.1016/j.brachy.2008.02.134.

Kim, Y., Nixon, E., Modrick, J., Bhatia, S. & Jacobson, G. (2008). On the Radiobiologic Implications for Intracavitary HDR Brachytherapy of Cervical Carcinoma: Based on 3D CT Imaging and GYN GEC-ESTRO Recommendations. (Vols. 7). (2), pp. 168. Brachytherapy. DOI: 10.1016/j.brachy.2008.02.237.

Flynn, R., Shukla, H., Nixon, E. & Bayouth, J. (2008). A quantitative assessment of the effects of a simple dead detector pixel correction method on megavoltage cone beam CT images. (Vols. 35). (6), pp. 2648. Medical Physics. DOI: 10.1118/1.2961423.

Jacobson, G. M., Bhatia, S., Modrick, J., Kim, Y., Bender, D., Nixon, E. & Smith, B. J. (2008). High Dose Rate Intracavitary Brachytherapy Combined with External Radiotherapy for Medically Inoperable Endometrial Cancer. (Vols. 7). (2) Brachytherapy.

Nixon, E., Modrick, J. M. & Jacobson, G. M. (2007). Comparison of ICRU reference point rectal and bladder doses and 3D volumetric parameters for High Dose Rate (HDR) tandem and ovoid brachytherapy based on 2D versus 3D planning. (Vols. 6). (2) Brachytherapy. DOI: 10.1016/j.brachy.2007.02.123.

Nixon, E., Shukla, H., Siochi, R. & Bayouth, J. (2007). Evaluation of CT Extended Field of View Imaging Impact on Radiation Therapy Treatment Planning. (Vols. 36). (6), pp. 2449. Medical Physics. DOI: 10.1118/1.2760871.

Bayouth, J., Shukla, H., Pavord, D., Nixon, E. & Siochi, R. (2007). Treatment Planning Modeling and Dose Delivery Advantages of Standard Linac Without Flattening Filter. (Vols. 34). (6), pp. 2500. Medical Physics. DOI: 10.1118/1.2761154.

Nixon, E., Modrick, J. M. & Jacobson, G. M. (2006). Retrospective Evaluation of Single Treatment Plan per Course vs. Plan per Fraction for High Dose Rate Vaginal Cylinders. (Vols. 5). (2), pp. 102. Brachytherapy. DOI: 10.1016/j.brachy.2006.03.080.

Walker, N., Olszewski, M., Wahle, A., Nixon, E., Sieren, J., Yang, F., Hoffman, E., D. Rossen, J. & Sonka, M. (2005). Measurement of coronary vasoreactivity in sheep using 64-slice multidetector computed tomography and 3-D segmentation. (Vols. 1281). pp. 1304-1304. International Congress Series. DOI: 10.1016/j.ics.2005.03.189.

Kumar, D., Cong, W., Thiesse, J., Nixon, E., Meinel, J., Cong, A., McLennan, G., Hoffman, E. A., Ming, J. & Wang, G. (2005). Image-guided simulation of bioluminescence tomographic imaging. (Vols. 5746). pp. 741. Proceedings of SPIE - The International Society for Optical Engineering. DOI: 10.1117/12.595387.

Recheis, W., Nixon, E., Thiesse, J., Mclennan, G., Ross, A. & Hoffman, E. A. (2005). Methods of in-vivo mouse lung micro-CT. (Vols. 5746). Proceedings of SPIE - The International Society for Optical Engineering. DOI: 10.1117/12.598464.

Cong, W., Kumar, D., Kang, Y., Sinn, P., Nixon, E., Mienel, J., Suter, M., Lihong, V. W., McLennan, G., Hoffman, E. A. & Wang, G. (2004). In vivo Tomographic Imaging based on Bioluminescence. (Vols. 5535). pp. 212. Proceedings of SPIE - The International Society for Optical Engineering. DOI: 10.1117/12.560522.

Saba, O., Beck, K., Chon, D. & Nixon, E. (2003). Lung Volume Measurement Reproducibility Using Gated-Axial and Spiral Multi-Row Detector CT (MDCT). (Vols. 167). (7), pp. A844. Am J Respir Crit Care Med.