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Specific types of leukodystrophy include the following with their respective ICD-10 codes when available: [citation needed] (E75.2) Alexander disease (E75.2) Canavan disease (E75.2) Hypomyelinating leukodystrophy type 7 (4H syndrome) (E75.2) Krabbe disease (E75.2) Metachromatic leukodystrophy (E75.2) Pelizaeus–Merzbacher disease
Related disorders in the same disease spectrum as HDLS include Nasu-Hakola disease (polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy), and a type of leukodystrophy with pigment-filled macrophages called pigmentary orthochromatic leukodystrophy (POLD). [3] In addition to white matter disease, Nasu-Hakola causes bone ...
Leukoencephalopathy with neuroaxonal spheroids (LENAS), also known as adult-onset leukoencephalopathy with axonal spheroids and pigmented glia (ALSP), hereditary diffuse leukoencephalopathy with spheroids (HDLS) and pigmentary orthochromatic leukodystrophy (POLD) [1] is an extremely rare kind of leukoencephalopathy and is classified as a neurodegenerative disease.
Leber's hereditary optic neuropathy (LHON) is a mitochondrially inherited (transmitted from mother to offspring) degeneration of retinal ganglion cells (RGCs) and their axons that leads to an acute or subacute loss of central vision; it predominantly affects adult males, and onset is more likely in younger adults.
Leukoencephalopathy with vanishing white matter (VWM disease) is an autosomal recessive neurological disease. The cause of the disease are mutations in any of the 5 genes encoding subunits of the translation initiation factor eIF2B: EIF2B1, EIF2B2, EIF2B3, EIF2B4, or EIF2B5. The disease belongs to a family of conditions called the Leukodystrophies.
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The disease is one in a group of genetic disorders collectively known as leukodystrophies that affect the growth of the myelin sheath, the fatty covering—which acts as an insulator—on nerve fibers in the central nervous system. The several forms of Pelizaeus–Merzbacher disease include classic, congenital, transitional, and adult variants. [5]
Cockayne syndrome is a rare but destructive disease usually resulting in death within the first or second decade of life. The mutation of specific genes in Cockayne syndrome is known, but the widespread effects and its relationship with DNA repair is yet to be well understood. [6]