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Sam Sydney, MD is a board-certified, fellowship-trained orthopedic surgeon with more than 33 years of experience. His areas of specialty include:

• Minimally invasive surgery – hips, knees, shoulders
• Arthroscopic surgery
• Total joint replacement and joint reconstruction
• Design and development of total joint implants
• : General orthopedics – hips, knees, shoulders

Dr. Sydney earned his MBBS at the University of Ibadan College of Medicine in Nigeria. He completed his Surgery-: General internship at Sinai Hospital in Baltimore, Maryland and a rotating internship at Baptist Medical Center in Ogbomosho, Nigeria. He performed orthopedic residencies at the University of Maryland Hospital in Baltimore and Sinai Hospital, Johns Hopkins University, also in Baltimore.

Dr. Sydney completed two fellowships: one in orthopedic surgery at the University of Maryland Hospital, University of Maryland Shock Trauma, in Baltimore; the other in total joint replacement at Joint Implant Surgeons, Inc. with Thomas H. Mallory, MD in Columbus, Ohio.

In addition to practicing orthopedics, Dr. Sydney serves several roles at St. Agnes Hospital in Baltimore:

• Medical Director for Orthopedic Services
• Medical Director for the Total Joint Program
• Medical Executive Committee Member
• Finance/Planning Committee Member

Dr. Sydney is also a clinical instructor in the Department of Orthopedic Surgery at the University of Maryland.

Dr. Sydney is distinguished as a fellow of the American College of Surgeons. He is a member of the Medical and Chiurgical Society of the state of Maryland, Baltimore City Medical Society, American Medical Society, Maryland Orthopedic Society, American Academy of Orthopedic Surgeons, and Arthroscopy Association of North America. Dr. Sydney is a national presenter and his research is published in peer-reviewed medical journals.

Now, Orthopaedic Associates of Central Maryland is part of The Centers for Advanced Orthopaedics – the largest integrated group of orthopaedic surgeons in the region – provides our patients with the highest standard in healthcare. Visit www.cfaortho.com for more information.

Catonsville: 910 Frederick Road, Catonsville MD 21228 | 410.644.1880

Columbia: 10170 Charter Drive, Suite 300, Columbia MD 21044 | 410.644.1880

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Ke Xie, MD is a board-eligible, fellowship-trained orthopedic surgeon who specializes in total joint replacement of the knee and hip. Dr. Xie’s orthopedic areas of expertise include:

• Partial and total joint replacement
• Revision and complex total joint replacement
• Robotic/computer-assisted joint replacement
• Muscle-sparing minimally invasive surgery
• Trauma and fracture care
• Arthroscopic surgery
• Stem cell therapy (cartilage regeneration/osteoarthritis)

Dr. Xie earned his medical degree at the University of Cincinnati College of Medicine in 2010, where he received numerous honors and recognitions. He completed his orthopedic surgery residency at Case Western Reserve University School of Medicine in Cleveland, Ohio, followed by a fellowship in adult reconstruction at the Florida Orthopaedic Institute in Temple Terrace, Florida (2016).

Dr. Xie is committed to academics and educating future physicians. He is credited with multiple publications and is an elected representative for the Educational Committee at University Hospitals Case Medical Center.

Dr. Xie is a member of the American Academy of Orthopedic Surgeons and the Alpha Omega Alpha Medical Honor Society.

Now, Orthopaedic Associates of Central Maryland is part of The Centers for Advanced Orthopaedics – the largest integrated group of orthopaedic surgeons in the region – provides our patients with the highest standard in healthcare. Visit www.cfaortho.com for more information.

Catonsville: 910 Frederick Road, Catonsville MD 21228 | 410.644.1880
Columbia: 10170 Charter Drive, Suite 300, Columbia MD 21044 | 410.644.1880
Eldersburg: 5961 Exchange Drive, Eldersburg MD 21784 | 410.644.1800

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