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Brachioradial Pruritus and Notalgia Paraesthetica: A Comparative Observational Study of Clinical Presentation and Morphological Pathologies.

Brachioradial Pruritus and Notalgia Paraesthetica: A Comparative Observational Study of Clinical Presentation and Morphological Pathologies.
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Pereira MP, Lüling H, Dieckhöfer A, Steinke S, Zeidler C, Ständer S,


Pereira MP, Lüling H, Dieckhöfer A, Steinke S, Zeidler C, Ständer S, (click to view)

Pereira MP, Lüling H, Dieckhöfer A, Steinke S, Zeidler C, Ständer S,

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Acta dermato-venereologica 2017 09 13() doi 10.2340/00015555-2789
Abstract

Brachioradial pruritus (BRP) and notalgia paraesthetica (NP) represent 2 of the most common neuropathic itch syndromes. A total of 58 consecutive patients presenting at the Center for Chronic Pruritus, University Hospital Münster, were analysed with regard to clinical presentation, anatomical and morphological pathologies, impairment in quality of life, and response to treatment with topical capsaicin. Patients with BRP reported stinging and burning more often than those with NP. In the BRP group structural magnetic resonance imaging abnormalities more frequently correlated with localization of the symptoms compared with in patients with NP. In addition, intraepidermal nerve fibre density was decreased in lesional skin in patients with BRP, but not in those with NP, confirming the neuropathic origin. Topical capsaicin resulted in a significantly higher alleviation of itch and pain intensity and improvement in quality of life in patients with BRP compared with those with NP, which may reflect clinical and aetiological differences between the conditions.

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