Kyle Lacy, M.D., M.S., is a board-certified orthopedic surgeon who specializes in the diagnosis and treatment of hip and knee arthritis and avascular necrosis, as well as infections and fractures of the hip and knee. He performs total hip and total knee replacement (arthroplasty) surgeries, as well as partial knee replacement surgeries. His fellowship training at Massachusetts General Hospital has given him the experience necessary to tackle complex revision hip and knee replacement surgeries as well. He also performs arthroscopic knee joint preservation procedures. He provides nonoperative treatments, such as hip and knee injections, and reserves surgery as an option only after nonoperative treatments have been attempted. Dr. Lacy earned his Bachelor of Science degree in engineering from the University of California, Berkeley, and his Master of Science degree in biochemistry from the University of California, San Diego. He went on to earn his Doctor of Medicine degree from the University of Kentucky College of Medicine. Dr. Lacy continued with his orthopedic surgery residency training at the Detroit Medical Center, Wayne State University. After completing his residency, Dr. Lacy then underwent fellowship training in adult hip and knee reconstruction at Massachusetts General Hospital, Harvard Medical School. During his fellowship year at Massachusetts General Hospital, he focused on performing primary and revision hip and knee replacement surgeries. There, he trained under Andrew Freiberg, M.D., a world leader in the innovation and design of hip and knee replacement implants. Dr. Lacy has conducted research on cartilage biomechanics of the knee at the Detroit Medical Center Orthopaedic Laboratory. He has also led clinical studies related to hip replacement as a fellow at Massachusetts General Hospital. He has authored and co-authored numerous orthopedic publications and book chapters, focusing on surgery of the hip and knee.