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Distal muscular dystrophy, also called distal myopathy, is essentially any muscle disease that preferentially affects the hands and/or feet, a much less common pattern than proximal muscle weakness. Late adult-onset type 1; Late adult-onset type 2a; Late adult-onset type 2b; Early adult-onset type 1; Early adult-onset type 2; Early adult-onset ...
Idiopathic primary BSS is a late-onset myopathy with progressive muscular weakness that is detected on the spinal extensor muscles in elderly patients and is more predominant in females. [2] The pathogenesis of primary BSS is typically related to fibrosis and fatty infiltration of muscular tissues and to mitochondrial changes due to the aging ...
It is also known as myasthenic syndrome, Eaton–Lambert syndrome, and when related to cancer, carcinomatous myopathy. [2] Around 60% of those with LEMS have an underlying malignancy, most commonly small-cell lung cancer; it is therefore regarded as a paraneoplastic syndrome (a condition that arises as a result of cancer elsewhere in the body). [3]
(G71.0) Dystrophies (or muscular dystrophies) are a subgroup of myopathies characterized by muscle degeneration and regeneration. Clinically, muscular dystrophies are typically progressive, because the muscles' ability to regenerate is eventually lost, leading to progressive weakness, often leading to use of a wheelchair, and eventually death, usually related to respiratory weakness.
Sporadic late-onset nemaline myopathy, or SLONM, is a very rare disease, one of the nemaline myopathies, causing loss of muscle bulk and weakness in the legs but sparing the cranial nerves, and beginning its clinical course after age 40. [1]
Statin-associated autoimmune myopathy (SAAM), also known as anti-HMGCR myopathy, is a very rare form of muscle damage caused by the immune system in people who take statin medications. [1] However, there are cases of SAAM in patients who have not taken statin medication, and this can be explained by the exposure to natural sources of statin ...
Werdnig-Hoffmann disease should not be confused with Hoffmann syndrome, which is a type of adult-onset hypothyroid myopathy.) [18] The eponymous term Kugelberg–Welander disease named after Erik Klas Hendrik Kugelberg (1913–1983) and Lisa Welander (1909–2001), who first documented the late-onset form and distinguished it from muscular ...
The age of onset typically ranges from early childhood to late adulthood. [1] In addition, patients of Danon disease also experience cardiomyopathy, arrhythmia, and skeletal myopathy. [1] Men may also have varying degrees of intellectual disability with additional symptoms being retinal, liver and pulmonary disease. [1]