What is the pathophysiology of brachioradial pruritus?

Updated: Oct 05, 2020
  • Author: Julianne Mann, MD; Chief Editor: Dirk M Elston, MD  more...
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The condition appears to represent a primary neuropathy. [7] Abnormalities in cutaneous innervation have been documented among patients with brachioradial pruritus. Massey and Massey [8] reported altered sensation to temperature and pinprick in the distribution of the posterior cutaneous nerve of the forearm, which supplies the skin over the brachioradialis muscle that is typically pruritic. Among patients with brachioradial pruritus, cold or heat hyperalgesia in the C5-C6 distribution [9] and pinprick hyperesthesia in the C5-C8 distribution [10, 11] have been reported.

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