Although the notion of replacing the failed human joint originated centuries ago, modern
joint replacement surgery is less than 50 y old. Today's prosthesis, a combination of metal …

Nearly 700,000 hip and knee arthroplasties are performed annually in the United States.
Although the results in most cases are excellent, implants do fail. Complications like …

Nuclear medicine has proven to have a valuable role in the evaluation of osseous metallic
implants, particularly with joint prostheses, but can assist with evaluation of other appliances …

Forreprintscontact: NaomiAlazrakl, MD, do Director, Divisionof Nuclear Medicine, Emory
Lk@ iversityHospital. 1364 CliftonRoad, NE, At larna, GA30322. bone scans, gallium, indium …

Some complications of joint replacement surgery are easily diagnosed; however,
differentiating infection from aseptic loosening is difficult because these entities are …

VI@ FIGURE1. Planar and SPECTimages. antibody) in 100 ml of normal saline by slow
intravenous infu sion. Two days after infusion, planar and SPECT images were obtained. As …

Soon after the introduction of the modern prosthetic joint, it was recognized that radionuclide
imaging provides useful information about these devices. The bone scan was used …

Periprosthetic infection and aseptic prosthesis loosening remain the most common and
serious complications of total hip arthroplasty and total knee arthroplasty. The differentiation …

Infection is an infrequent complication of lower extremity prosthetic joint surgery.
Approximately one-third develop within 3 months (early), another third within 1 year …

MATERIALS AND METHODS Thirty-three adult patients with painful joint pros theses 2 to 9
yr following surgery were referred to help determine if the cause of the pain was loosening …