Orpha Number: 401964 Definition A rare subtype of axonal hereditary motor and sensory neuropathy characterized by distal muscle weakness and atrophy (principally of peroneal muscles) associated with distal sensory loss (tactile, vibration), pes cavus present [rarediseases.info.nih.gov]

You may also want to contact a university or tertiary medical center in your area, because these centers tend to see more complex cases and have the latest technology and treatments. [rarediseases.info.nih.gov]