Dr. Christos S. Georgiades

Dr. Kelvin K. Hong is an Associate Professor and Executive Vice Chair of Radiology within the Johns Hopkins Department of Radiology. A specialist in interventional and vascular radiology, Dr. Hong serves as the Medical Director of the Johns Hopkins Interventional Radiology Center. Dr. Hong earned his medical degree from South Africa’s University Of Witwatersrand Medical School in Parktown. He completed a radiology residency at Parktown West’s College of Medicine/Radiology, as well as a cardiovascular/interventional radiology fellowship and diagnostic radiology residency at The Johns Hopkins Hospital. His areas of clinical expertise include bone, liver and soft-tissue tumors; chronic total occlusions; claudication; deep venous thrombosis; lung, esophageal and kidney cancer; peripheral arterial/vascular disease; renal artery/vascular disease; uterine fibroid tumors; varicocele; and vascular malformations and venous thromboembolism. Dr. Hong performs procedures that include radiofrequency ablation for lung, liver, kidney and bone lesions; transcatheter arterial chemoembolization for liver cancer; lower-extremity angioplasty and stenting; visceral angioplasty and stenting; embolization of uterine fibroid tumors; cryoablation for pain control; and percutaneous laser ablation of varicose veins. Dr. Hong served as editor for the book Percutaneous Tumor Ablation and contributed to Interventional Oncology: Principles and Practice. Dr. Hong is rated as a Distinguished provider by MediFind in the treatment of Rhabdomyosarcoma. His top areas of expertise are Fibrolamellar Carcinoma, Bile Duct Obstruction, Neuroendocrine Tumor, Liver Embolization, and Pancreaticoduodenectomy.

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 Rhabdomyosarcoma. His top areas of expertise are Undifferentiated Pleomorphic Sarcoma, Rhabdomyosarcoma Embryonal, Ollier Disease, Osteotomy, and Aneurysm Repair.

Dr. Kronthal joins the Johns Hopkins Community Radiology division from Drs. Groover, Christie and Merritt (GCM), where he has practiced at both Sibley and Suburban Hospitals for more than eleven years. He received his Bachelor of Arts at Haverford College in 1983 and medical degree at the University of Virginia in 1987. Dr. Kronthal performed both his radiology residency and Body Imaging fellowship at Johns Hopkins Hospital from 1998 through 1993. Following his fellowship, he spent twelve years with WBA Imaging, during which time he served as Chairman of the Department of Imaging at Prince George’s Hospital Center. Dr. Kronthal was with GCM from 2005 – 2017 and is the incoming Chairman of Radiology at Sibley Hospital. He is a past president of the District of Columbia Metropolitan Radiological Society. He was awarded fellowship in the American College of Radiology in 2005. Dr. Kronthal is rated as an Advanced provider by MediFind in the treatment of Rhabdomyosarcoma. His top areas of expertise are Muscle Invasive Bladder Cancer, Pleurisy, Pleural Effusion, and ALK-Positive Non-Small Cell Lung Cancer.