Document Detail

Evaluation of contact sensitivity in patients with isolated itching of the external auditory canal.
MedLine Citation:
PMID:  21518637     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: This study was designed to demonstrate the frequency of sensitivity to European standard patch test allergens in patients with isolated itching of the external auditory canal (EAC).
STUDY DESIGN: A prospective case-control study.
METHODS: Fifty-six female patients with the complaint of recurrent EAC itching and 30 female controls without pruritis of the ears were patch-tested with 25 allergens of the European standard series.
RESULTS: Twenty-four patients (25.5%) had one or more positive patch test reactions. In 21.4% of patients, nickel sulphate was the most frequent sensitizer, but there was no statistically significant difference in the nickel sensitization rate between patients and controls (p > .05). Sensitivity rates were much lower for the other allergens. There was no association between contact sensitivity to fragrances and to preservatives and patients with pruritis of the ears.
CONCLUSION: Our results do not demonstrate that most patients with pruritic ears probably suffer from allergic contact dermatitis.
Baran Acar; Ayse Serap Karadag; Hayriye Karabulut; Mehmet Ali Babademez; Murat Zaim; Rıza Murat Karasen
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of otolaryngology - head & neck surgery = Le Journal d'oto-rhino-laryngologie et de chirurgie cervico-faciale     Volume:  40     ISSN:  1916-0216     ISO Abbreviation:  J Otolaryngol Head Neck Surg     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-04-26     Completed Date:  2011-08-11     Revised Date:  2013-04-10    
Medline Journal Info:
Nlm Unique ID:  101479544     Medline TA:  J Otolaryngol Head Neck Surg     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  187-90     Citation Subset:  IM    
Department of Otorhinolaryngology, Kecioren Training and Research Hospital, Ankara, Turkey.
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MeSH Terms
Dermatitis, Allergic Contact / diagnosis*,  etiology
Ear Canal*
Middle Aged
Patch Tests
Pruritus / etiology*

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