Copper deficiency myeloneuropathy

Copper deficiency myeloneuropathy is rare but increasingly recognized as a cause of neurological impairment, presenting similarly to subacute combined degeneration of the cord secondary to vitamin B12 deficiency

Patients typically present with a proprioceptive loss, due to dorsal column involvement, which manifests as a sensory ataxia 1

Copper deficiency is not common and may be present in a few clinical circumstances:

  • malabsorption syndromes
  • gastric bypass surgery
  • zinc toxicity: there is a competitive gastrointestinal absorption between copper and zinc

The serum copper and ceruloplasmin levels are low. 

MRI is the modality of choice for assessing suspected cases. 

Spinal cord imaging demonstrates symmetric high T2 signal in the dorsal columns 1

In some patients, findings suggestive of demyelination have been reported 1

Copper supplementation can arrest further neurological deterioration and even reverse symptoms and imaging findings 1

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Article information

rID: 45012
Synonyms or Alternate Spellings:
  • Cu deficiency myeloneuropathy

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