Overview
Hyo Ahn is a Radiologist and a Neuroradiologist in Owings Mills, Maryland. Dr. Ahn is rated as an Experienced provider by MediFind in the treatment of Neurofibromatosis Type 2 (NF2). His top areas of expertise are Hydrocephalus, Stroke, Normal Pressure Hydrocephalus, Thrombectomy, and Percutaneous Coronary Intervention (PCI).
His clinical research consists of co-authoring 5 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
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Locations
Additional Areas of Focus
Dr. Ahn has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
The Johns Hopkins Hospital
Dr. Ahlawat earned a Bachelor of Arts with magna cum laude at New York University. She completed both her Medical Degree as well as residency training in diagnostic radiology at Rutgers University’s Robert Wood Johnson Medical School in New Brunswick, NJ. Dr. Ahlawat completed her Pediatric Radiology Fellowship at the Children’s National Medical Center in Washington, DC and went on to Johns Hopkins University in Baltimore, MD to do a Fellowship in musculoskeletal radiology. After completion of her fellowship, Dr. Ahlawat joined as faculty in the Diagnostic Division of the department of Radiology at the Johns Hopkins University. Currently, she is an Assistant Professor in the Johns Hopkins University Department of Radiology and Radiological Science. Dr. Ahlawat’s expertise is Diagnostic Radiology with additional training in pediatric and musculoskeletal radiology. Dr. Ahlawat specializes in high resolution magnetic resonance (MR) imaging of peripheral nerves, specifically detection and characterization of peripheral nerve injury; MR imaging of peripheral nerve tumors and peripheral nerve tumor syndromes; whole body MR imaging in the setting of peripheral nerve tumor syndromes; and advanced MR techniques such as quantitative diffusion weighted imaging and apparent diffusion coefficient mapping in characterization of bone and soft tissue tumors. Dr. Shivani Ahlawat also serves as the Director of the Musculoskeletal Fellowship Program. Dr. Ahlawat is rated as a Distinguished provider by MediFind in the treatment of Neurofibromatosis Type 2 (NF2). Her top areas of expertise are Schwannomatosis, Neurofibromatosis, Neurofibromatosis Type 1 (NF1), and Neurofibromatosis Type 2 (NF2).
The Johns Hopkins Hospital
Dr. Laura M. Fayad serves as the Chief of Musculoskeletal Imaging. She is a Professor in the Johns Hopkins University Department of Radiology and Radiological Science, Department of Oncology, and Department of Orthopaedic Surgery. Dr. Fayad is also the Director of the Translational Research Program in the Department of Radiology. Dr. Fayad earned a Bachelor of Science at the Massachusetts Institute of Technology, a Master of Science at Stanford University, and M.D. C.M. degrees at the McGill University Faculty of Medicine. She completed residency training at Columbia University and MRI Fellowship at Thomas Jefferson University. She specializes in diagnostic and interventional musculoskeletal radiology. In addition to routine sports medicine and spine applications, Dr. Fayad protocols and interprets specialized examinations in the areas of peripheral nerve imaging, tumor imaging, and rheumatology. Her primary area of research focuses on novel imaging techniques for musculoskeletal tumors, with her work including well over 100 publications that have been cited more than 1,500 times. Dr. Fayad is rated as a Distinguished provider by MediFind in the treatment of Neurofibromatosis Type 2 (NF2). Her top areas of expertise are Schwannomatosis, Neurofibromatosis, Liposarcoma, and Neurofibromatosis Type 2 (NF2).
The Johns Hopkins Hospital
Dr. David M. Yousem is the associate dean for professional development in the Johns Hopkins Medicine Department of Radiology and Radiological Science. He specializes in neuroimaging. Dr. Yousem received his B.S. and M.D. degrees at the University of Michigan. He completed a radiology residency at Johns Hopkins and a two-year fellowship in neuroradiology at the University of Pennsylvania. He received his M.B.A. at Johns Hopkins University in 2003. Dr. Yousem's expertise spans the full gamut of neuroradiology techniques including computed tomography (CT), magnetic resonance imaging (MRI), angiography, myelography, CT guided aspirations and biopsies, functional MRI, diffusion and perfusion imaging, MR/CT angiography, and 3-D reconstructions. He is a noted authority on disorders of the brain, spine, head and neck, olfaction, cranial neuropathies and neurodegeneration. Dr. Yousem has authored or edited four books—Neuroradiology: THE REQUISITES, Head and Neck Case Review, and Radiology Business Practice: How to Succeed, and Non-Interpretive Skills Case Review, all published by Mosby/Elsevier—and has edited four journal issues. He has published over 250 peer reviewed articles over 50 chapters in books and has lectured on five continents. Dr. Yousem has an RSNA Educator Award sponsored on line course containing over 30 lectures on the Business of Medicine available to the public at https://webcast.jhu.edu/Mediasite/Catalog/Full/2facf598655b40ecaf3e7ee71698b86421. This is currently used by residency programs across the country to fulfill ACGME requirements for business of radiology content. He served as President of the American Society of Neuroradiology in 2008-2009 and as the Secretary of Treasurer of the World Federation of Neuroradiological Societies from 2011 to present. He sits on many of national radiological societies committees. Dr. Yousem has completed two marathons (best time: 3 hours, 54 minutes), a half Ironman, and a full Ironman (2.5-mile swim followed by 112-mile bike ride and then a 26-mile run) competition. Videos David M. Yousem e-Radiology Learning - Neuroradiology Pearls and Pitfalls (1 of 4) e-Radiology Learning - Neuroradiology Pearls and Pitfalls (2 of 4) e-Radiology Learning - Neuroradiology Pearls and Pitfalls (3 of 4) e-Radiology Learning - Neuroradiology Pearls and Pitfalls (4 of 4). Dr. Yousem is rated as an Advanced provider by MediFind in the treatment of Neurofibromatosis Type 2 (NF2). His top areas of expertise are Hydrocephalus, Congenital Cardiovascular Shunt, Normal Pressure Hydrocephalus, Subarachnoid Hemorrhage, and Embolectomy.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- HydrocephalusDr. Ahn isDistinguished. Learn about Hydrocephalus.
- Advanced
- Cerebellar Multiple System Atrophy
- Congenital Cardiovascular Shunt
- Hepatocerebral DegenerationDr. Ahn isAdvanced. Learn about Hepatocerebral Degeneration.
- Normal Pressure Hydrocephalus
- StrokeDr. Ahn isAdvanced. Learn about Stroke.
- Subarachnoid HemorrhageDr. Ahn isAdvanced. Learn about Subarachnoid Hemorrhage.
- Experienced
- ALK-Positive Non-Small Cell Lung Cancer
- CAPOS SyndromeDr. Ahn isExperienced. Learn about CAPOS Syndrome.
- Cerebellar DegenerationDr. Ahn isExperienced. Learn about Cerebellar Degeneration.
- Cerebellum Agenesis HydrocephalyDr. Ahn isExperienced. Learn about Cerebellum Agenesis Hydrocephaly.
- Cerebral Arteriovenous Malformation
- Cerebrospinal Fluid LeakDr. Ahn isExperienced. Learn about Cerebrospinal Fluid Leak.


