Inflammatory Myopathies
Idiopathic inflammatory myopathies (IIM), commonly known as myositis, are rare conditions that can affect multiple organs apart from muscle and often lead to a severe impairment of the quality of life.
Diagnosis and treatment are often challenging and usually require testing of auto-antibodies.1
Labcorp offers a myositis profile performed using RIPA and EIA methodologies. MyoMarker® 3 Plus profile includes both myositis-specific antibodies (MSA) and myositis-associated antibodies (MAA), as well as anti-SAE-1 antibody.
Clinical Utility
IIMs are a heterogeneous group of disorders characterized by muscle weakness, resulting from chronic muscle inflammation of unknown cause. Patients with IIM have a variety of autoantibodies with various clinical associations that fall into two main groups: