A rare co-existence of anti-CN1A and anti-NXP2 Myositis-Specific Antibodies in a 63-year-old female from the Philippines with chronic progressive muscle weakness: A case report

Key Points

• Chronic progressive muscle weakness was evident in the patient, indicating a significant clinical concern.
• Anti-CN1A and anti-NXP2 myositis-specific antibodies co-existed, highlighting an unusual autoimmune phenomenon.
• Observational analysis identified these specific antibodies, marking a rare case in literature.
• Further investigation is needed to understand the clinical implications of this dual antibody presence.