Education & Training

Medical School

University of Iowa



  • Naval Regional Medical Center


Diagnostic Radiology

  • National Capital Consortium


American Board of Radiology - Diagnostic Radiology


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Academic Information

Mark D. Travis, MD, PhD
Assistant Professor of Clinical Radiology
Vice Chair for Education

Research Interests

  • Breast imaging

Areas of Expertise

  • Breast imaging

Awards & Honors

  • Diagnostic Radiology Residency Teacher of the Year 2012-2013
  • Roentgen Resident/Fellow Research Award, Radiologic Society of North America, August, 2007.
  • Merck, Sharp, and Dohme Fellowship Award for Excellence in Cardiovascular Research
  • American Heart Association, 48th Annual Fall Conference and Scientific Sessions of the Council for
  • High Blood Pressure Research, Sept. 1994.


  • Ewing, E., Layfield, L., Joshi, C., Travis, M.D. Frequency of False-Negative Diagnoses and Lymph Node Size and Percentage of Nodal Replacement by Metastases and Axillary Lymph Nodes of Breast Cancer Patients Undergoing FNA. Acta Cytol. 2015;59(4):311-4.
  • Tchatalbachev, V., Kirkpatrick, D., Travis, M.D. Seeding of the Rectus Sheath with
  • Hepatocellular Carcinoma after Image Guided Percutaneous Liver Biopsy Using Coaxial Biopsy Needle System. Journal of Radiology Case Reports. Journal of Radiology Case Reports 2015;9(1): 18-25..
  • Ogles, R., Travis, M.D., Joshi, C. Leukoencephalopathy, cerebral calcifications, and cysts in two sisters. Pediatric Neurology.51(4):576-579;2014.
  • Craig W.D., Wagner B.J., Travis MD. Pyelonephritis: radiologic-pathologic review.
  • Radiographics. 28(1):255-277;2008.
  • Chung EM, Travis MD, Conran RM. Pancreatic tumors in children: radiologic-pathologic correlation. Radiographics. 26(4):1211-1238;2006.
  • Lewis, SJ, Travis MD, Hashmi-Hill MP, Sandock K, Robertson TP, Bates JN. Differential
  • effects of ouabain on the vasodilator actions of nitric oxide and S-nitrosothiols in vivo: Relevance to the identity of EDRF/EDHF. Vascular Pharmacology. 2006 Dec;45(6):383-94.
  • Travis, M.D., Hoque, A., Bates, J.N., Lewis, S. J. Blockade of voltage-sensitive Ca2+ channels markedly diminishes nitric oxide but not L-S-nitrosocysteine- or endothelium-dependent vasodilation in vivo. Eur. J. Pharm. 408(3):289-298;2000.
  • Travis, M.D., Lewis S.J. Apparent association of MK-801-sensitive ion channels with L-Snitrosocysteine recognition sites in the hindlimb vasculature of the rat. Eur. J. Pharm.
  • 407(3):309-312;2000.
  • Whalen, E.J., Travis, M.D., Johnson, A.K., Lewis, S.J. Rapid tachyphylaxis to the hemodynamic effects of PACAP-27 after inhibition of nitric oxide synthesis. Am. J. Physiol. 276:H2117-H2126;1999.
  • Travis, M.D., Whalen, E.J., Lewis, S.J. Heterologous desensitization of B-adrenoceptor signal transduction in vivo. Eur. J. Pharm. 328(1):R1-3;1997.
  • Travis, M.D., Davisson, R.L., Bates, J.N, Lewis, S.J. Hemodynamic effects of L- and D-Snitroso-,-dimethylcysteine in rats. Am. J. Physiol. 273 (3Pt 2):H1493-501;1997.
  • Davisson, R.L., Travis, M.D., Bates, J.N., Johnson, A.K., Lewis, S.J. Stereoselective actions of S-nitrosocysteine in the central nervous system of conscious rats. Am. J. Physiol. 272(5 Pt 2):H2361-8;1997.
  • Lewis, S.J., Travis, M.D., Bates, J.N. Stereoselective S-nitrosocysteine recognition sites in rat brain. Eur. J. Pharm. 312;R3-5:1996.
  • Travis, M.D., Stoll, L.L., Bates, J.N., Lewis, S.J. L- and D-isomers of S-nitroso-,-
  • dimethylcysteine differentially increase cGMP levels in cultured vascular smooth muscle. Eur. J. Pharm. 318(1):47-53; 1996.
  • Davisson, R.L., Travis, M.D., Bates, J.N., Lewis, S.J. Hemodynamic effects of L- and D-Snitrosocysteine in the rat. Circ. Res. 79:256-262;1996.