Myositis-Specific Antibodies Staff | January 30, 2020 This question is drawn fromĀ "Myositis-Specific Antibodies Identified," The Rheumatologist, January 2020. Patients positive for the myositis-specific antibody MDA5 may present with: A. Interstitial lung disease B. Amyopathic dermatomyositis C. Palmar papules D. All of the above None Time's up