Proximal interphalangeal arthroscintigraphy in rheumatoid arthritis.

Rheumatoid Nodules Rheumatoid nodules are deeply seated firm masses that occur in patients with rheumatoid arthritis, particularly over extensor prominences, such as the proximal ulna, the olecranon process, and the metacarpophalangeal and proximal interphalangeal joints

Operative correction of swan-neck and boutonniere deformities in the rheumatoid hand.

A swan-neck or boutonniere deformity occurs in approximately half of patients with rheumatoid arthritis. The cause of boutonniere deformity is chronic synovitis of the proximal interphalangeal joint. Swan-neck deformity may be caused by synovitis of the metacarpophalangeal, proximal interphalangeal, or distal interphalangeal joints. Numerous procedures are available for the operative correction...

Long-term outcomes of proximal interphalangeal joint surface replacement arthroplasty.

BACKGROUND Surface replacement arthroplasty is a reconstructive alternative for the treatment of pain and deformity due to osteoarthritis and rheumatoid arthritis of the proximal interphalangeal joint of the finger. This retrospective study was performed to examine long-term outcomes of proximal interphalangeal joint prosthetic surface replacement with a proximal cobalt-chromium (CoCr) and dist...

Classification of OT Images of Arthritic Joints Using Spatial-Fourier Frequency Coefficients

Fourier Transform coefficients of absorption and scattering distributions, reconstructed from OT scans of proximal-interphalangeal joints, are used in conjunction with discriminate analysis to diagnose rheumatoid arthritis. Sensitivity and specificity of 91.0% and 90.0% were achieved, respectively. © 2011 Optical Society of America OCIS codes: 170.3880, 110.6955.

Exploratory study to identify mechanical factors that may contribute to toe dactylitis in patients with psoriatic arthritis

Background Dactylitis (sausage digit) is one of the most commonly reported features of psoriatic arthritis (PsA), the second most common inflammatory arthritis after rheumatoid arthritis (RA). It has been hypothesised that dactylitis is a functional enthesitis at the proximal interphalangeal joints (hands and feet), causing multiple pathologies to varying levels of severity. Dactylitis results ...