A photo of Ethan Smith.

Ethan A. Smith, MD

  • Co-Director of Thoracoabdominal Imaging, Department of Radiology and Medical Imaging
  • Associate Professor, UC Department of Radiology



Dr. Smith completed a residency in diagnostic radiology at University of Michigan Health System followed by a fellowship in pediatric radiology at Cincinnati Children’s Hospital Medical Center. After spending six years as an attending pediatric radiologist at CS Mott Children’s Hospital – University of Michigan, Dr. Smith returned to Cincinnati in 2017 as the director of the Thoraco-abdominal Section in the Cincinnati Children’s Hospital Department of Radiology. Dr. Smith is active in multiple national radiology organizations, including the Society for Pediatric Radiology, American College of Radiology, and the Radiological Society of North America. He is also a member of the Children’s Oncology Group (COG) and served as a central imaging reviewer for ongoing clinical research trials through COG. Dr. Smith’s research interests include body MRI, pediatric oncologic imaging, and quality and safety in radiology.

MD: Wayne State University School of Medicine, Detroit, MI, 2005.

Residency: University of Michigan Health System, Ann Arbor, MI.

Certification: Diagnostic Radiology, 2010; CAQ Pediatric Radiology, 2012.


Quality and safety; pediatric oncology imaging

Services and Specialties

Radiology, Kidney Tumor Clinic


Body MRI; pediatric oncology imaging

Research Areas



Machine Learning Diagnosis of Small-Bowel Crohn Disease Using T2-Weighted MRI Radiomic and Clinical Data. Liu, RX; Li, H; Towbin, AJ; Ata, NA; Smith, EA; Tkach, JA; Denson, LA; He, L; Dillman, JR. American Journal of Roentgenology. 2024; 222:e2329812.

Gadolinium-based contrast media does not improve the staging of neuroblastoma image-defined risk factors at diagnosis. Morin, CE; Hasweh, R; Anton, C; Dillman, JR; Orscheln, E; Smith, EA; Kotagal, M; Weiss, BD; Ouyang, J; Zhang, B; Trout, AT; Towbin, AJ. Pediatric Blood and Cancer. 2024; 71:e30724.

Imaging of pediatric renal tumors: A COG Diagnostic Imaging Committee/SPR Oncology Committee White Paper focused on Wilms tumor and nephrogenic rests. Artunduaga, M; Eklund, M; van der Beek, JN; Hammer, M; Littooij, AS; Sandberg, JK; Schenk, JP; Servaes, S; Singh, S; Smith, EA; Srinavasan, A; Khanna, G. Pediatric Blood and Cancer. 2023; 70 Suppl 4:e30004.

Similarities and controversies in imaging of pediatric renal tumors: A SIOP-RTSG and COG collaboration. van der Beek, JN; Artunduaga, M; Schenk, JP; Eklund, MJ; Smith, EA; Lederman, HM; Warwick, AB; Littooij, AS; Khanna, G. Pediatric Blood and Cancer. 2023; 70 Suppl 2:e30080.

The Simplified MR Index of Activity Score in Pediatric Small-Bowel Crohn Disease: An Interreader Agreement and Responsiveness Study. Dillman, JR; Ata, NA; Towbin, AJ; Anton, CG; Smith, EA; Zhang, B; Imbus, R; Tkach, JA; Denson, LA. American Journal of Roentgenology. 2023; 220:126-133.

MP17-16 LONG-TERM OUTCOMES FOR PATIENTS WITH ANAPLASTIC BILATERAL WILMS TUMORS ENROLLED ON COG AREN0534. Romao, RL P; Aldrink, JH; Tornwall, B; Kieran, K; Murphy, A; Davidoff, A; Benedetti, D; Dome, J; Perlman, E; Smith, E; Mullen, E; Cost, N; Shamberger, RC; Ehrlich, PF. Investigative Urology. 2022; 207:e292.

Pediatric Renal Tumors. Geller, JI; Vandenheuval, K; Smith, E; Kotagal, M; Pater, L. Pediatric Nephrology. : Springer Nature; Springer Nature; 2022.

Acoustic radiation force imaging (ARFI) in the non-distended bladder does not predict abnormal urodynamic parameters in children. Streur, CS; Smith, EA; Dillman, JR; Kraft, KH. Canadian Urological Association Journal. 2022; 16:E15-E19.

Skeletal muscle mass as a marker to predict outcomes in children and young adults with cancer. McBee, MP; Woodhouse, C; Trout, AT; Geller, JI; Smith, EA; Zhang, B; Towbin, AJ. Abdominal Radiology. 2022; 47:452-459.

'Billed charges' as a measure of economic impact in follow-up radiographs: reply to Degnan. Smith, EA. Pediatric Radiology: roentgenology, nuclear medicine, ultrasonics, CT, MRI. 2021; 51:2104.

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