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Can one of the symptoms of Dyspraxia be foot drop ?

Can one of the symptoms of Dyspraxia be foot drop? My son has had several diagnoses over the last 10 years ranging from Motor and verbal dyspraxia to ADHD and PDD NOS. When he turned 15 his feet started to become deformed and he has since be diagnosed with an axonal peripheral neuropathy - CMT was tested foe genetically but came back negative. Can these two conditions Dyspraxia and peripheral neuropathy co exist or is it possible that we are looking at a diagnosis that covers all symptoms which is yet to be discovered?
Mon, 5 May 2014
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Orthopaedic Surgeon, Joint Replacement 's  Response
Hi, sorry to hear about your son.
While reading the first part of your description itself, CMT was on my mind. CMT is not uncommon. CMT can present with both central and peripheral nervous system symptoms and signs. Dypraxia, dystonia (lack of proper tone in the body), dyskinesia (lack of proper movement) are quite common.
In addition because of specific involvement of peripheral nervous system from the spinal cord, foot drop can and cavus foot can occur. Here the deep peroneal or common peroneal nerve is affected and can give rise to lack of eversion (or sideward and upward raise of the foot). Also the anterior tibial nerve can be affected which can give rise to foot drop and a flapping gait while walking.

Either way treatment will require splinting of the ankle, which will relax the muscles that push the ankle down(plantar). Depending on the presence of cavus foot(high arch), which is common in CMT, he might require surgery to correct cavus foot as well

Hope this helps
Let me know if you have any more questions on this.

Dr Purushottam Reddy Padala MS(Ortho) FRCS
Consultant orthopaedic Foot and ankle surgeon
Happy Feet Foot clinics.
Hyderabad. India

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Can one of the symptoms of Dyspraxia be foot drop ?

Hi, sorry to hear about your son. While reading the first part of your description itself, CMT was on my mind. CMT is not uncommon. CMT can present with both central and peripheral nervous system symptoms and signs. Dypraxia, dystonia (lack of proper tone in the body), dyskinesia (lack of proper movement) are quite common. In addition because of specific involvement of peripheral nervous system from the spinal cord, foot drop can and cavus foot can occur. Here the deep peroneal or common peroneal nerve is affected and can give rise to lack of eversion (or sideward and upward raise of the foot). Also the anterior tibial nerve can be affected which can give rise to foot drop and a flapping gait while walking. Either way treatment will require splinting of the ankle, which will relax the muscles that push the ankle down(plantar). Depending on the presence of cavus foot(high arch), which is common in CMT, he might require surgery to correct cavus foot as well Hope this helps Let me know if you have any more questions on this. Dr Purushottam Reddy Padala MS(Ortho) FRCS Consultant orthopaedic Foot and ankle surgeon Happy Feet Foot clinics. Hyderabad. India