The Human Phenotype Ontology (HPO) provides the following list of features that have been reported in people with this condition. Much of the information in the HPO comes from Orphanet, a European rare disease database. If available, the list includes a rough estimate of how common a feature is (its frequency). Frequencies are based on a specific study and may not be representative of all studies. You can use the MedlinePlus Medical Dictionary for definitions of the terms below.
|Signs and Symptoms||Approximate number of patients (when available)|
|Decreased nerve conduction velocity||90%|
|Impaired pain sensation||50%|
|Neurological speech impairment||7.5%|
|Areflexia of lower limbs||-|
|Distal muscle weakness||-|
|Distal sensory impairment||-|
|Onion bulb formation||-|
|Progressive visual loss||-|
|Segmental peripheral demyelination/remyelination||-|
|Sensorineural hearing impairment||-|
|X-linked recessive inheritance||-|
The resources below provide information about treatment options for this condition. If you have questions about which treatment is right for you, talk to your healthcare professional.
These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.