Myositis

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Related to Idiopathic inflammatory myopathies: myositis, polymyositis, inflammatory myositis

myositis

[‚mī·ə′sīd·əs]
(medicine)
Inflammation of muscle. Also known as fibromyositis.

Myositis

 

inflammation of skeletal muscles. It usually affects the entire muscular system, that is, it occurs as polymyositis.

Myositis can occur in a variety of diseases and is generally a sign of collagen diseases, that is, systemic diseases of connective tissue. The disease may be acute, subacute, or chronic. Muscle symptoms are often combined with skin disturbances (reddening, edema, induration)—dermatomyositis. A particular form of the disease is parasitic myositis, which results from parasites (Trichinella, Echinococcus, Cysticercus) invading muscles. Another form is myositis ossificans, in which bony tissue forms in muscles. Patients complain of pain in the muscles, muscular weakness, and incoordination; muscular sclerosis and contractures develop in the later stages of the disease. Treatment includes hormone therapy, vitamin therapy, administration of analgesics, and, when indicated, antiparasitic therapy.

REFERENCE

Hausmanowa-Petrusewicz, I. Myshechnye zabolevaniia. Warsaw, 1971. (Translated from Polish.)

V. A. KARLOV

References in periodicals archive ?
Classification criteria for the idiopathic inflammatory myopathies. Curr Opin Rheumatol 1997;9:527-35.
Interstitial lung disease associated with the idiopathic inflammatory myopathies and the antisynthetase syndrome: recent advances.
Classification criteria forthe idiopathic inflammatory myopathies. Curr Opin Rheumatol 1997; 9: 527-535.
The idiopathic inflammatory myopathies are relatively rare diseases, and the incidence of dermatomyositis is estimated at 1-10 cases per million in adults (2).
(14) Myositisspecific antibodies (MSAs) have been described in about 30% of idiopathic inflammatory myopathies but are also of uncertain diagnostic and pathogenic importance.
In addition, we have demonstrated the presence of maternal microchimeric cells in the peripheral blood of patients with juvenile idiopathic inflammatory myopathies (5), an observation confirmed in a subsequent study (6).
Thigh magnetic resonance imaging for the evaluation of disease activity in patients with idiopathic inflammatory myopathies followed in a single center.
Idiopathic inflammatory myopathies (IIMs) is a heterogeneous group of autoimmune myopathies, characterized by proximal muscle weakness and inflammation of muscles and other organs.
Idiopathic inflammatory myopathies: current trends in pathogenesis, clinical features, and up-to-date treatment recommendations.
Guerne, "Classification, diagnosis, and management of idiopathic inflammatory myopathies," Journal of Rheumatology, vol.
1) All children with suspected idiopathic inflammatory myopathies should be referred to a specialized center.
Idiopathic inflammatory myopathies (IIM) encompass three subsets: dermatomyositis (DM), polymyositis (PM), and sporadic inclusion body myositis (IBM) with distinct immunopathological patterns.

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