Myositis

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Myositis Classification and external resources
ICD-10	M60.
ICD-9	729.1
OMIM	160750
DiseasesDB	29473
MedlinePlus	001245
MeSH	D009220

Myositis is a general term for inflammation of the muscles. Many such conditions are considered likely to be caused by autoimmune conditions, rather than directly due to infection (although autoimmune conditions can be activated or exacerbated by infections.) It is also a documented side effect of statins.

Elevation of creatine kinase in blood is indicative of myositis.

[edit] Types

Types of myositis include:

• myositis ossificans
• fibromyositis
• idiopathic inflammatory myopathies
  • dermatomyositis
    • juvenile dermatomyositis
  • polymyositis
  • inclusion body myositis
• pyomyositis

[edit] See also

• myopathy (muscle disease)
• myalgia (muscle pain)
• Masticatory muscle myositis (a disease in dogs)

[edit] External links

• The Myositis Association
• NIH
• FAQ
• Arthritis.org
• The Johns Hopkins Myositis Center

v • d • e Diseases of the musculoskeletal system and connective tissue (M, 710-739) Arthropathies Arthritis (Septic arthritis, Reactive arthritis, Rheumatoid arthritis, Psoriatic arthritis, Felty's syndrome, Juvenile idiopathic arthritis, Still's disease) - crystal (Gout, Chondrocalcinosis) - Osteoarthritis (Heberden's node, Bouchard's nodes) acquired deformities of fingers and toes (Boutonniere deformity, Bunion, Hallux rigidus, Hallux varus, Hammer toe, Swan neck deformity) - other acquired deformities of limbs (Valgus deformity, Varus deformity, Wrist drop, Foot drop, Flat feet, Club foot, Unequal leg length, Winged scapula) patella (Luxating patella, Chondromalacia patellae) Protrusio acetabuli - Hemarthrosis - Arthralgia - Osteophyte Systemic CT disorders vasculitis: Churg-Strauss syndrome - Kawasaki disease - Hypersensitivity vasculitis - Wegener's granulomatosis - Arteritis (Polyarteritis nodosa, Takayasu's arteritis, Temporal arteritis) immune/autoimmune: Goodpasture's syndrome - Microscopic polyangiitis - Systemic lupus erythematosus (Drug-induced) - Dermatomyositis (Juvenile dermatomyositis) - Polymyositis - Scleroderma - Sjögren's syndrome - Behçet's disease - Polymyalgia rheumatica - Eosinophilic fasciitis Hypermobility Dorsopathies spinal curvature (Kyphosis, Lordosis, Scoliosis) - Scheuermann's disease - Spondylolysis - Torticollis - Spondylolisthesis Spondylopathies (Ankylosing spondylitis, Spondylosis, Spinal stenosis) - Schmorl's nodes - Degenerative disc disease - Coccydynia - Back pain (Radiculopathy, Neck pain, Sciatica, Low back pain) Soft tissue disorders muscle: Myositis (Pyomyositis) - Myositis ossificans (Fibrodysplasia ossificans progressiva) synovium and tendon: Synovitis/Tenosynovitis (Calcific tendinitis, Stenosing tenosynovitis, Trigger finger, DeQuervain's syndrome) - Irritable hip - Ganglion cyst bursa: bursitis (Olecranon, Prepatellar, Trochanteric) - Baker's cyst fibroblastic disorders: Dupuytren's contracture - Fasciitis (Plantar fasciitis, Nodular fasciitis, Necrotizing fasciitis) - Fibromatosis shoulder lesions: Adhesive capsulitis - Rotator cuff tear - Subacromial bursitis enthesis: enthesopathies (Iliotibial band syndrome, Achilles tendinitis, Patellar tendinitis, Golfer's elbow, Tennis elbow, Metatarsalgia, Bone spur, Tendinitis) other, NEC: Muscle weakness - Rheumatism - Myalgia - Neuralgia - Neuritis - Panniculitis - Fibromyalgia Osteopathies disorders of bone density and structure: Osteoporosis - Osteomalacia - continuity of bone (Pseudarthrosis, Stress fracture) - Monostotic fibrous dysplasia - Skeletal fluorosis - Aneurysmal bone cyst - Hyperostosis - Osteosclerosis Osteomyelitis - Avascular necrosis - Paget's disease of bone - Algoneurodystrophy - Osteolysis - Infantile cortical hyperostosis Chondropathies Juvenile osteochondrosis (Legg-Calvé-Perthes syndrome, Osgood-Schlatter disease, Köhler disease, Sever's disease) - Osteochondritis - Tietze's syndrome - Relapsing polychondritis See also congenital conditions (Q65-Q79, 754-756)