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Juvenile dermatomyositis (JDM) is an idiopathic inflammatory myopathy (IMM) of presumed autoimmune dysfunction resulting in muscle weakness among other complications. It manifests itself in children; it is the pediatric counterpart of dermatomyositis. In JDM, the body's immune system attacks blood vessels throughout the body, causing ...
Frequency. ~ 1 per 100,000 people per year [3] Dermatomyositis (DM) is a long-term inflammatory disorder which affects the skin and the muscles. [1] Its symptoms are generally a skin rash and worsening muscle weakness over time. [1] These may occur suddenly or develop over months. [1] Other symptoms may include weight loss, fever, lung ...
Inflammatory myopathy, also known as idiopathic inflammatory myopathy (IIM), is disease featuring muscle weakness, inflammation of muscles (myositis), and in some types, muscle pain (myalgia). The cause of much inflammatory myopathy is unknown (idiopathic), and such cases are classified according to their symptoms and signs, electromyography ...
Childhood arthritis. Childhood arthritis ( juvenile arthritis or pediatric rheumatic disease) is an umbrella term used to describe any rheumatic disease or chronic arthritis-related condition which affects individuals under the age of 16. There are several subtypes that differentiate themselves via prognosis, complications, and treatments.
Benign acute childhood myositis. 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. [1][2]
Dermatopolymyositis. Dermatopolymyositis. Other names. PM/DM [1] Specialty. Rheumatology. Dermatopolymyositis is a family of myositis disorders that includes polymyositis and dermatomyositis. As such, it includes both a distinctive skin rash and progressive muscular weakness. [2] It is a rare disease.
Myositis is a rarely-encountered medical condition characterized by inflammation affecting the muscles. [2] The manifestations of this condition may include skin issues, muscle weakness , and the potential involvement of other organs. [ 3 ]
Polymyositis (PM) is a type of chronic inflammation of the muscles (inflammatory myopathy) related to dermatomyositis and inclusion body myositis. Its name is derived from poly- 'many' myos- 'muscle' and -itis 'disease'. The inflammation of polymyositis is mainly found in the endomysial layer of skeletal muscle, whereas dermatomyositis is ...