- CMAS Childhood Myositis Assessment Scale, CAT -BM Cutaneous Assessment Tool (CAT) in the shortened Binary Method version (CAT-BM), CK Creatine kinase, GC Glucocorticoids, HCQ Hydroxychloroquine, MMF Mycophenolate mofetil, MTX Methotrexate, CYC Cyclophosphamide