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GENATLAS PHENOTYPE
last update : 17-07-2017
Symbol CMT2X
Location 15q21.1
Name Charcot-Marie-Tooth disease, axonal, type 2X
Corresponding gene SPG11
Main clinical features
  • slowly progressive, axonal peripheral sensorimotor neuropathy characterized by lower limb muscle weakness and atrophy associated with distal sensory impairment and gait difficulties
  • age at disease onset was 11.4 years (range, 4-35) and there was phenotypic variability
  • EMG showed evidence of chronic denervation/renervation, and sural nerve biopsies showed loss of large-caliber myelinated fibers
  • Genetic determination autosomal recessive
    Function/system disorder neuromuscular
    Type disease
    Remark(s)