Musculoskeletal Imaging Update: Current Applications of Advanced Imaging Techniques to Evaluate the Early and Long-Term Complications of Patients with Orthopedic Implants |
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Authors: | Carolyn M Sofka MD Hollis G Potter MD Ronald S Adler PhD MD Helene Pavlov MD |
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Institution: | (1) Department of Radiology and Imaging, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA |
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Abstract: | Technical advances in imaging have increased their applicability to diagnosing conditions of the musculoskeletal system, especially
in the postoperative setting, where traditionally metallic artifacts have hindered evaluation. Advances in computed tomography
(CT), magnetic resonance (MR) imaging, ultrasound, and nuclear medicine have resulted in improved overall image quality. Specific
modifications of imaging parameters, especially in CT and MRI, have improved the radiologist's ability to diagnose potential
hardware complications such as loosening and osteolysis. Sonography can evaluate the periprosthetic soft tissues and enables
both diagnostic information and therapeutic treatment at the same sitting. Lastly, diagnostic scintigraphic applications such
as positron emission tomography (PET) have increased specificity in diagnosing potential infection in the arthroplasty setting.
This review discusses some of the current applications of CT, MRI, ultrasound, and nuclear medicine in evaluating the postoperative
orthopedic patient, concentrating on the appropriate imaging evaluation for the painful arthroplasty patient. |
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