Dr. Andrew D. Vennos

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 Undifferentiated Pleomorphic Sarcoma. Her top areas of expertise are Schwannomatosis, Neurofibromatosis, Neurofibromatosis Type 1 (NF1), and Neurofibromatosis Type 2 (NF2).

Dr. Shadpour Demehri is a Professor in the Johns Hopkins Medicine Department of Radiology and Radiological Science. He specializes in diagnostic radiology and musculoskeletal (MSK) radiology. Dr. Demehri received his M.D. from Tehran University School of Medicine in 2003. He completed a fellowship in radiology at Johns Hopkins University School of Medicine. He performed his residency in diagnostic radiology in 2010 at Brigham & Women’s Hospital, where he subsequently completed two fellowships, one in musculoskeletal and nuclear radiology and a second in noninvasive cardiovascular imaging. He joined the Johns Hopkins faculty in September 2012. Dr. Demehri is rated as an Advanced provider by MediFind in the treatment of Undifferentiated Pleomorphic Sarcoma. His top areas of expertise are Undifferentiated Pleomorphic Sarcoma, Rhabdomyosarcoma Embryonal, Ollier Disease, Osteotomy, and Aneurysm Repair.

Dr. Grafe (Gray) Lyons is a specialist in vascular and interventional radiology. His clinical focus is in the diagnosis and treatment of arterial and venous vascular disease and minimally-invasive, image-guided procedures. Dr. Lyons earned a B.S. from Davidson College and M.D. and Ph.D. degrees from Duke University in North Carolina. He completed internship in general surgery and residency in radiology at NewYork-Presbyterian Hospital/Weill Cornell Medicine in New York. He then completed fellowship in vascular and interventional radiology at the Miami Cardiac and Vascular Institute in Florida. Dr. Lyons joined the faculty at Johns Hopkins Medicine in 2019 as an Assistant Professor of Radiology and Radiological Science in the Division of Vascular and Interventional radiology. Dr. Lyons is rated as an Advanced provider by MediFind in the treatment of Undifferentiated Pleomorphic Sarcoma. His top areas of expertise are Undifferentiated Pleomorphic Sarcoma, Mesenchymoma, Bile Duct Stricture, Gastrostomy, and Liver Embolization.