Print Departments and specialties Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery. Departments with related expertise Brain Tumor Program Cerebrospinal Fluid Dynamics Clinic in Florida Head and Neck Cancer Center Neurology Neurosurgery Neurovascular (Cerebrovascular) Surgery Nuclear Medicine Therapy Radiology Areas that research this procedure Neurologic Surgery Neurology Research Radiology Research Doctors who perform this procedure Edit search filters close Narrow your search By location Phoenix/Scottsdale, AZ By last name There are no doctors whose last name begins with the letter A A There are no doctors whose last name begins with the letter B B Find a doctor whose last name begins with the letter C C Find a doctor whose last name begins with the letter D D There are no doctors whose last name begins with the letter E E There are no doctors whose last name begins with the letter F F There are no doctors whose last name begins with the letter G G Find a doctor whose last name begins with the letter H H There are no doctors whose last name begins with the letter I I There are no doctors whose last name begins with the letter J J Find a doctor whose last name begins with the letter K K There are no doctors whose last name begins with the letter L L Find a doctor whose last name begins with the letter M M There are no doctors whose last name begins with the letter N N There are no doctors whose last name begins with the letter O O There are no doctors whose last name begins with the letter P P There are no doctors whose last name begins with the letter Q Q active Find a doctor whose last name begins with the letter R R There are no doctors whose last name begins with the letter S S There are no doctors whose last name begins with the letter T T There are no doctors whose last name begins with the letter U U There are no doctors whose last name begins with the letter V V Find a doctor whose last name begins with the letter W W There are no doctors whose last name begins with the letter X X There are no doctors whose last name begins with the letter Y Y There are no doctors whose last name begins with the letter Z Z Reset all filters Search Tips Use quotes for phrases. Even if there are no auto-suggestions within the search field, hit "Search" anyway, as you may still get results. Displaying 1-2 out of 2 doctors available Last Name Initial: R Tanya J. Rath, M.D. Radiologist Phoenix, AZ Areas of focus: CT scan, MRI, Lumbar puncture, Myelogram, CT-guided biopsy, CT-guided aspiration, Brain MRI , Brain CT scan Kalen J. Riley, M.D., M.B.A. Radiologist Phoenix, AZ Areas of focus: CT scan, MRI, Lumbar puncture, Myelogram, CT angiogram, Perfusion MRI, CT brain perfusion, Brain MRI , Brain CT scan ResearchRadiologists and scientists trained in brain CT scans and other imaging methods study how to best use brain CT to predict and diagnose a wide range of diseases and conditions. PublicationsSee a list of publications about brain CT scans by Mayo Clinic doctors on PubMed, a service of the National Library of Medicine. Research Profiles Edit search filters close Narrow your search By location Arizona Florida Minnesota View all View all physicians • All Locations Benson, John C. M.D. Minnesota Hsieh, Scott S. Ph.D. Minnesota Leng, Shuai Ph.D. Minnesota Mark, Ian T. M.D., MSM Minnesota McCollough, Cynthia H. Ph.D. Minnesota Nikolova, Simona Ph.D. Arizona Rajendran, Kishore Ph.D. Minnesota Scharf, Eugene L. M.D. Minnesota Yu, Lifeng Ph.D. Minnesota By Mayo Clinic Staff Brain CT scan care at Mayo Clinic Request an appointment AboutCare at Mayo Clinic Aug. 26, 2025 Print Show references Winn HR, ed. Computer tomography and magnetic resonance imaging of the brain. In: Youmans and Winn Neurological Surgery. 8th ed. Elsevier; 2023. https://www.clinicalkey.com. Accessed June 13, 2025. Ropper AH, et al. Diagnostic testing in neurological disease. In: Adams and Victor's Principles of Neurology. 12th ed. McGraw Hill; 2023. https://accessmedicine.mhmedical.com. Accessed June 13, 2025. Kular S, et al. A primer in interpretation of head CT scans. British Journal of Hospital Medicine. 2019; doi:10.12968/hmed.2019.80.11.C156. Panicker S, et al. CT imaging computed tomography/computed tomography angiography/perfusion in acute ischemic stroke and vasospasm. Neuroimaging Clinics of North America. 2024; doi:10.1016/j.nic.2024.01.004. Bos D, et al. Radiation exposure in computed tomography. Deutsches Ärzteblatt International. 2023; doi:10.3238/arztebl.m2022.0395. McCollough CH, et al. Answers to common questions about the use and safety of CT scans. Mayo Clinic Proceedings. 2015; doi:10.1016/j.mayocp.2015.07.011. Kantro M, et al. New imaging techniques and trends in radiology. Diagnostic and Interventional Radiology. 2024; doi:10.4274/dir.2024.242926. Radiation dose. RadiologyInfo.org. https://www.radiologyinfo.org/en/info/safety-xray. Accessed June 13, 2025. Andreas A, et al., eds. Current status of imaging of the brain and anatomical features. In: Grainger & Allison's Diagnostic Radiology: A Textbook of Medical Imaging. 7th ed. Elsevier; 2021. https://www.clinicalkey.com. Accessed June 13, 2025. Health Education & Content Services. About your CT scan. Mayo Clinic; 2015. Body CT. RadiologyInfo.org. https://www.radiologyinfo.org/en/info/bodyct. Accessed June 13, 2025. Head CT. RadiologyInfo.org. https://www.radiologyinfo.org/en/info/headct. Accessed June 20, 2025. Brain CT scanAboutDoctors&DepartmentsCare atMayoClinic PRC-20584045 Tests & Procedures Brain CT scan