Dr. G. Vijayalakshmi, Dr. M. Sudha, Dr A. Vijay


Myositis is called as muscle inflammation. In myositis, inflammation damages the fibers of a muscle. Myositis is an inflammation of muscles. Affected individuals will have difficulty contracting their muscles because of the damage to the muscle fibers from the inflammation. The inflammation may be caused by the body attacking its own tissues (autoimmune), infection, drug side effects, or injury. After traumatic injury, myositis can occur in bruised areas. This causes muscles to be weak by interfering with the ability of the muscles to contract. Although myositis can cause muscle aches and muscle tenderness, weakness is usually the dominant symptom. Common symptoms include muscle soreness, weakness, difficulty swallowing, and trouble climbing stairs. Individuals affected by myositis may have a decrease in their muscle mass (atrophy) for long periods of time. Individuals affected by the flu or other viral infections often experience myositis during their recovery. This is frequently seen in young children and manifests as severe leg pain and inability to walk properly for a few days. Inclusion body myositis (IBM) is an inflammatory myopathy that is characterized by chronic, progressive muscle inflammation and muscle weakness. Symptoms usually begin after the age of 50, although the condition can occur earlier. The onset of muscle weakness usually occurs over months or years. This condition affects both the proximal (close to the trunk of the body) and distal (further away from the trunk) muscles.

 Myositis is usually  of short duration but  In some cases, it persists for long duration. Chronic forms of myositis can lead to muscle atrophy and severe disability. In  our  case  study   we   have  collected  40  samples  of  muscle  biospsy   who were presented  with  flu   like  symptoms  and   also  with repeated   muscle  aches.


viral myositis, muscle biopsy, influenza and muscle degeneration.

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