About The Medical Condition Multiple Myositis

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Find the definition of the medical term Multiple Myositis. Multiple Myositis defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Multiple Myositis

Multiple Myositis Medical Condition Defined & Explained
Multiple Myositis Medical Condition

What's The Definition Of The Medical Condition Multiple Myositis?

Diseases characterized by inflammation involving multiple muscles. This may occur as an acute or chronic condition associated with medication toxicity (DRUG TOXICITY, NERVOUS SYSTEM); CONNECTIVE TISSUE DISEASES; infections; malignant NEOPLASMS; and other disorders. The term polymyositis is frequently used to refer to a specific clinical entity characterized by subacute or slowly progressing symmetrical weakness primarily affecting the proximal limb and trunk muscles. The illness may occur at any age, but is most frequent in the fourth to sixth decade of life. Weakness of pharyngeal and laryngeal muscles, interstitial lung disease, and inflammation of the myocardium may also occur. Muscle biopsy reveals widespread destruction of segments of muscle fibers and an inflammatory cellular response. (Adams et al., Principles of Neurology, 6th ed, pp1404-9)

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