Related Articles
Case Report: Ultrasound Reveals Cause of Post-Arthroplasty Knee Pain
A 65-year-old woman was referred by an orthopedist to a rheumatologist for left knee pain. Previously, in 2014, she underwent left total knee arthroplasty (TKA) for severe osteoarthritis in a different institution. Following the procedure, she experienced severe chronic anterolateral knee pain at rest, exacerbated by walking. Because she was rendered wheelchair bound and required…
The Classification & Diagnosis of Granulomatosis with Polyangiitis
Based on the classification system developed by the Chapel Hill Consensus Conference, anti-neutrophil cytoplasmic antibody (ANCA) associated vasculitis is defined as a necrotizing vasculitis involving small vessels that is associated with myeloperoxidase (MPO) ANCA or proteinase 3 (PR3) ANCA and displays minimal immune deposits. The mechanism behind the pathogenesis of ANCA-associated vasculitis is not fully…
Recurrent Medial Elbow Pain Following Successful Tommy John Surgery
A 27-year-old, left-handed man was referred to our ultrasound clinic for left elbow pain. History The patient had been a pitcher on a Minor League Baseball team. Two years before, he developed sudden, severe medial elbow pain while pitching in a game. The pain was associated with some tingling down the left medial forearm. The…
Using Ultrasound to Diagnose Carpal Tunnel Syndrome
Note: Updated May 2, 2018, to correct a link in the reference section. The error was introduced in editing. A 44-year-old Caucasian woman presented to the outpatient rheumatology clinic that had followed her for several years for rheumatoid arthritis. She was compliant with her regimen of hydroxychloroquine, etanercept and salsalate. Her chief complaint was worsening…