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“Anchor”-shaped bright posterior column in a patient with vitamin B12 deficiency myelopathy
  1. V K Paliwal1,
  2. H S Malhotra2,
  3. R N Chaurasia2,
  4. A Agarwal2
  1. 1
    Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
  2. 2
    Chhatrapati Shahuji Maharaj Medical University, Lucknow, India
  1. Dr V K Paliwal, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Rae Bareli Road, Lucknow 226014, India; dr_vimalkpaliwal{at}

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A 50-year-old strict vegetarian lady presented with progressive gait instability and paraesthesia of all four limbs lasting 8 months. She had spastic ataxic quadriparesis with pan sensory loss below the C3/4 spinal segment, sensory polyneuropathy, prolonged visual evoked potentials and unrecordable somatosensory evoked potentials. Her serum vitamin B12 concentration was 78 pg/ml. Spinal MRI showed …

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  • Competing interests: None.

  • Patient consent: Obtained.