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Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 3
Spinocerebellar ataxia with axonal neuropathy-3 (SCAN3) is an autosomal recessive neuromuscular disorder characterized by onset in the first decade of slowly progressive distal muscle weakness and atrophy and distal sensory impairment due to an axonal peripheral neuropathy. Affected individuals have gait disturbances and sometimes manual dexterity difficulties, as well as cerebellar ataxia associated with cerebellar atrophy on brain imaging. Additional features usually include dysarthria, hyporeflexia, and increased serum creatine kinase. Some patients may have impaired intellectual development (summary by Higuchi et al., 2018). For a discussion of genetic heterogeneity of SCAN, see SCAN1 (607250). [from OMIM]
Spastic paraplegia-neuropathy-poikiloderma syndrome
A complex form of hereditary spastic paraplegia characterized by spastic paraplegia, demyelinating peripheral sensorimotor neuropathy, poikiloderma (manifesting with loss of eyebrows and eyelashes in childhood in addition to delicate, smooth, and wasted skin) and distal amyotrophy (presenting after puberty). There have been no further descriptions in the literature since 1992. [from ORDO]
Hereditary spastic paraplegia 36
A complex form of hereditary spastic paraplegia, with onset in childhood or adulthood of progressive spastic paraplegia (with spastic gait, spasticity, lower limb weakness, pes cavus and urinary urgency) associated with the additional manifestation of peripheral sensorimotor neuropathy. The SPG36 phenotype has been mapped to a locus on chromosome 12q23-q24. [from SNOMEDCT_US]
Demyelinating sensory neuropathy
Demyelination of peripheral sensory nerves. [from HPO]
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