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Updated: May 10, 2026
04:41
Knee Arthrocentesis in Adults
Published on: February 25, 2022
Joint aspiration and injection and synovial fluid analysis
Philip Courtney1, Michael Doherty
1Department of Rheumatology, Nottingham City Hospital, Hucknall Road, Nottingham NG5 1PB, UK. p.pa.courtney@talk21.com
Best Practice & Research. Clinical Rheumatology
|June 5, 2013
Summary
Joint aspiration and synovial fluid analysis are key diagnostic tools for joint diseases. These procedures help diagnose septic arthritis and crystal arthritis, guiding effective treatment strategies.
Area of Science:
- Rheumatology
- Orthopedics
- Diagnostic Medicine
Background:
- Joint aspiration and synovial fluid analysis are crucial for diagnosing and managing joint diseases.
- Intra-articular corticosteroid injections offer rapid pain relief and reduce inflammation.
Purpose of the Study:
- To outline the indications, benefits, and risks of intra-articular corticosteroid injections.
- To detail practical aspects of synovial fluid analysis, focusing on crystal identification.
Main Methods:
- Review of indications and technical principles for joint aspiration and corticosteroid injection.
- Analysis of synovial fluid characteristics, including gross appearance, cell counts, and crystal detection.
Main Results:
- Intra-articular corticosteroid injections are safe and effective for pain and inflammation relief.
- Synovial fluid analysis aids in differentiating arthritis types, diagnosing septic and crystal arthritis, and identifying specific crystals like monosodium urate and calcium pyrophosphate dihydrate.
Conclusions:
- Joint aspiration and synovial fluid analysis are essential for accurate diagnosis of various joint conditions.
- Crystal detection in synovial fluid enables precise diagnosis of gout and related arthropathies, even during symptom-free periods.
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