II. Pathophysiology

  1. Sensory Neuropathy involving dorsal spinal nerves
  2. Considered subset of Peripheral Neuropathy

III. Symptoms

  1. Pruritus on the back
  2. Associated other Sensations involving back
    1. Pain
    2. Paresthesia
    3. Hyperesthesia

IV. Signs

  1. Circumscribed hyperpigmented patch on back
  2. Associated with chronic rubbing and scratching

VI. Management

  1. No known effective therapy
  2. Oxcarbazepine 300 mg bid and titrate to effect
    1. Found possibly effective in small trials
    2. Savk (2001) J Am Acad Dermatol 45(4):630-2 [PubMed]

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