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The contribution of histopathological examination to the diagnosis of cervico-facial actinomycosis: a retrospective analysis of 68 cases.
MedLine Citation:
PMID:  24870370     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Cervico-facial actinomycosis is an infectious, suppurative, and granulomatous disease due to Actinomyces species. Usually, the diagnosis is confirmed by microbiological cultures; however, the need for careful anaerobic handling of specimens often makes it difficult to obtain an effective microbial growth. Therefore, we conducted a retrospective study on biopsy samples from patients with a clinical suspicion of cervico-facial actinomycosis, in order to determine whether accurate histopathological examination could reliably confirm the diagnosis. A retrospective revision of formalin-fixed, paraffin-embedded archival material from 68 cases of cervico-facial lesions, with negative culture for anaerobic/microaerophilic microorganisms, was performed. Twelve serial sections for each case were cut from the paraffin blocks, individually collected on positively charged slides to obtain good section-to-slide adhesion, and stained with hematoxylin and eosin (H&E) and periodic acid-Schiff (PAS). Histopathological examination of the serial sections allowed the identification of bacterial colonies consistent with actinomycetes in 22 cases (32 %). The proposed histopathological examination allowed the retrospective diagnosis of cervical actinomycosis in one-third of clinical specimens that remained misdiagnosed following traditional H&E examination.
Authors:
L Lo Muzio; G Favia; M Lacaita; A De Lillo; C Scully; A Napoli; L Lo Russo; E Maiorano
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-5-29
Journal Detail:
Title:  European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology     Volume:  -     ISSN:  1435-4373     ISO Abbreviation:  Eur. J. Clin. Microbiol. Infect. Dis.     Publication Date:  2014 May 
Date Detail:
Created Date:  2014-5-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8804297     Medline TA:  Eur J Clin Microbiol Infect Dis     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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