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A photo of William O'Brien.

Director, Pediatric Neuroradiology Fellowship, Department of Radiology and Medical Imaging

Associate Professor, UC Department of Radiology


Board Certified

My Biography & Research


William T. O’Brien, Sr, DO, received a Bachelor of Science degree in Environmental Engineering from the U.S. Military Academy at West Point and attended medical school at the Philadelphia College of Osteopathic Medicine. He completed a radiology residency at David Grant USAF Medical Center at Travis Air Base, California and fellowships in neuroradiology and pediatric neuroradiology at the University of Cincinnati and Cincinnati Children’s Hospital Medical Center. During his military career, Dr. O’Brien served in a variety of academic roles, to include department chairman and radiology residency program director. He joined the faculty at Cincinnati Children’s Hospital Medical Center in 2017 as the director of the Pediatric Neuroradiology Fellowship Program.

Clinical Interests

Pediatric neuroimaging

Academic Affiliation

Associate Professor, UC Department of Radiology


Radiology, Radiology

My Education

DO: Philadelphia College of Osteopathic Medicine, Philadelphia, PA.

Residency: David Grant USAF Medical Center, Travis AFB, CA.

Fellowships: Neuroradiology, University of Cincinnati, Cincinnati, OH; Pediatric Neuroradiology, Cincinnati Children's Hospital, Cincinnati, OH.

Certifications: Diagnostic Radiology; Neuroradiology.

My Publications

Middle interhemispheric variant of holoprosencephaly. Sharma, R; Sr, OW T; Guerin, J; Kline-Fath, BM; Towbin, RB; Towbin, AJ. Applied Radiology: the journal of practical medical imaging and management. 2019; 48:32-34.

Cystic and solid cortically-based mass in an adolescent with seizures: a case-based illustrative review. O'Brien, W. 2019; 8:5-7.

Pediatric Parotid Region Lesions: An Imaging Review. Guerin, JB; Johnson, DR; Koch, BL; Merrow, AC; O'Brien, WT; Kalina, P. 2018; 8:394-412.

Pediatric Emergencies: Imaging of Pediatric Head Trauma. Sr, OW T; Care, MM; Leach, JL. Seminars in Ultrasound, CT and MRI. 2018; 39:495-514.

The effect of resuscitative endovascular balloon occlusion of the aorta, partial aortic occlusion and aggressive blood transfusion on traumatic brain injury in a swine multiple injuries model. Johnson, MA; Williams, TK; Ferencz, SA E; Davidson, AJ; Russo, RM; O'Brien, WT; Galante, JM; Grayson, JK; Neff, LP. The Journal of Trauma and Acute Care Surgery. 2017; 83:61-70.

The transclival artery: A variant persistent carotid-basilar arterial anastomosis not previously reported. Kirkland, JD; Dahlin, BC; O'Brien, WT. Journal of NeuroInterventional Surgery. 2017; 9:e11-e11.

The preoperative sinus CT: Avoiding a "cLOSE " call with surgical complications. O'Brien, WT; Hamelin, S; Weitzel, EK. Radiology. 2016; 281:10-21.

The transclival artery: A variant persistent carotid-basilar arterial anastomosis not previously reported. Kirkland, JD; Dahlin, BC; O'Brien, WT. BMJ Case Reports. 2016; 2016:bcr2016012464-bcr2016012464.

Arachnoiditis Ossificans - A Rare Cause of Progressive Myelopathy. Steel, CJ; Abrames, EL; O'Brien, WT. Open Neuroimaging Journal. 2015; 9:13-20.

Posterior Reversible Encephalopathy Syndrome. Lewis, BJ; O’Brien Sr, WT. Journal of the American Osteopathic Association. 2015; 115:401-401.