Assessment of myositis specific antibodies in primary chronic arthritis: single centre prospective study

Key Points

• To evaluate the prevalence of myositis specific antibodies (MSAs) in patients with primary chronic arthritis.
• Conducted a single-center prospective study
• Tested patients for MSAs positivity
• Categorized results into full, weak, and borderline positivity
• One third of patients tested positive for MSAs
• About half showed full or weak positivity
• The other half had borderline results