| Brachioradial pruritus as a result of cervical spine pathology: The results of a magnetic resonance tomography study. | |
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MedLine Citation:
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PMID: 21641675 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Brachioradial pruritus (BRP) describes a rare form of itching occurring at the dorsolateral part of the forearms. Recent case reports suggest that BRP may be attributed to cervical lesions or spine neoplasms. OBJECTIVE: We sought to determine the incidence of cervical spine changes in BRP and to correlate the localization of spinal lesions with the dermatomal presence of pruritus. METHODS: Magnetic resonance tomography (MRT) of the cervical spinal cord, a chest x-ray, and a skin biopsy were performed in 41 patients (28 female, 13 male; 59.0 ± 10.6 years) with BRP. Patients completed an itch questionnaire (NeuroDerm Questionnaire) that included a dermatome chart and the Northwick Park Neck Pain Questionnaire. RESULTS: The patients marked the locations C5 (90.2%) and C6 (100%) on the dermatome chart. All patients had detectable MRT changes. In 80.5% of the patients, stenosis of the intervertebral foramen or protrusions of the cervical disk led to nerve compression. The location of the nerve compression lesions correlated significantly with the dermatomal localization of the pruritus (Spearman correlation coefficient 0.893; P < .01). No spinal neoplasm was observed, and 19.5% of the patients had degenerative changes without significant correlation to the dermatomal localization of pruritus. LIMITATION: No healthy control group without pruritus was investigated. CONCLUSION: BRP may result from cervical nerve compression, and rarely, it may also stem from degenerative changes. Our findings suggest that even slight cervical changes detected on MRT may alter itch afferents and lead to BRP. Spinal cord tumors are rare and should be ruled out by a cervical spine MRT. |
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Authors:
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Martin Marziniak; Ngoc Quan Phan; Ulrike Raap; Dorothee Siepmann; Funda Schürmeyer-Horst; Esther Pogatzki-Zahn; Thomas Niederstadt; Sonja Ständer |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-6-3 |
Journal Detail:
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Title: Journal of the American Academy of Dermatology Volume: - ISSN: 1097-6787 ISO Abbreviation: - Publication Date: 2011 Jun |
Date Detail:
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Created Date: 2011-6-6 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7907132 Medline TA: J Am Acad Dermatol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2010 American Academy of Dermatology, Inc. Published by Mosby, Inc. All rights reserved. |
Affiliation:
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Department of Neurology, University Hospital Münster, Münster, Germany. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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