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 ?
For this prospective study, 49 adult patients with idiopathic inflammatory myopathies (13 males, 36 females) were recruited in West China Hospital of Sichuan University, China, from August 2014 to December 2014.
Clinical and serological characteristics of 125 Dutch myositis patients: Myositis specific antibodies aid in the differential diagnosis of the idiopathic inflammatory myopathies.
Rider and Miller (9) reported that hepatitis B, measles, mumps, and rubella (MMR), typhoid, and cholera vaccinations were triggering factors in juvenile idiopathic inflammatory myopathies.
Idiopathic inflammatory myopathies, comprising dermatomyositis, polymyositis and inclusion body myositis, (1) represent the largest group of acquired and potentially treatable causes of skeletal muscle weakness.
The juvenile idiopathic inflammatory myopathies (IIMs)[14] are chronic inflammatory diseases that affect primarily muscle, skin, and less commonly, other organ systems.

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