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One of the most common types of drugs that can cause myositis are statins, which are used to lower cholesterol levels. One of the most common side effects of statin therapy is muscle pain [5] which, more rarely, can lead to myositis. [5] Infection: The most common infectious cause of myositis is viral infections, such as the common cold. [4]
SAAM may affect people after long-term statin use even if they had no previous muscular side effects. [4] A differentiating feature between this and more benign statin side effects is SAAM typically has a late onset. While muscle pain (myalgia) is seen in 9-20% of patients treated with statins, it typically occurs in the first month of treatment.
The usual criteria for a diagnosis of PM are weakness in muscles of the head, neck, trunk, upper arms or upper legs; raised blood serum concentrations of some muscle enzymes such as creatine kinase; unhealthy muscle changes on electromyography; and biopsy findings of (i) muscle cell degeneration and regeneration and (ii) chronic inflammatory ...
Benign acute childhood myositis (BACM) is a syndrome characterized by muscle weakness and pain in the lower limbs that develop in children after a recent viral illness. It is transient with a spontaneous clinical resolution within 1 week.
Inclusion body myositis (IBM) (/ m aɪ oʊ ˈ s aɪ t ɪ s /) (sometimes called sporadic inclusion body myositis, sIBM) is the most common inflammatory muscle disease in older adults. [2] The disease is characterized by slowly progressive weakness and wasting of both proximal muscles (located on or close to the torso ) and distal muscles (close ...
Myocarditis-myositis-myasthenia gravis overlap syndrome (IM3OS) is a rare immune-related adverse event primarily associated with the use of immune checkpoint inhibitors (ICIs). These ICIs, which have been incorporated into the treatment of various malignancies , function by activating the immune system to detect and attack cancer cells .
Temporomandibular joint dysfunction (TMD, TMJD) is an umbrella term covering pain and dysfunction of the muscles of mastication (the muscles that move the jaw) and the temporomandibular joints (the joints which connect the mandible to the skull).
These cytokines stimulate the endothelial cells of the blood vessels to transform into mesenchymal stem cells. These mesenchymal stem cells then differentiate into chondrocytes, and osteoblasts, resulting in bone formation in soft tissues. [5] The process of myositis ossificans can be divided into three stages: early, intermediate, and mature.