Document Detail


A comparison of dacron versus Flocked nylon swabs for anal cytology specimen collection.
MedLine Citation:
PMID:  21791907     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVES: We compared the performance of commonly used Dacron versus flocked nylon swabs for anal cytology.
STUDY DESIGN: From 23 HIV-positive men screened at Kaiser Permanente San Francisco (San Francisco, Calif., USA), 2 anal specimens were collected, 1 with each swab in random order, and placed into liquid cytology medium. Specimens were tested for cellularity by quantifying a genomic DNA (erv-3). The number of cells was assessed from prepared slides by automated image analysis. Performance was compared between swabs using 2-sample t tests and standard crossover trial analysis methods accounting for period effect.
RESULTS: Flocked swabs collected slightly more erv-3 cells than Dacron for the first sample although not significantly (p = 0.18) and a similar number of erv-3 cells for the second sample (p = 0.85). Flocked swabs collected slightly more cells per slide than the Dacron swabs at both time periods although this was only significant in the second time period (p = 0.42 and 0.03 for first and second periods, respectively). In crossover trial analysis, flocked swabs outperformed Dacron for cell count per slide based on slide imaging (p = 0.03), but Dacron and flocked swabs performed similarly based on erv-3 quantification (p = 0.14).
CONCLUSIONS: Further studies should determine whether flocked swabs increase the representation of diagnostically important cells compared to Dacron.
Authors:
Julia C Gage; Arpita Ghosh; Sylvia Borgonovo; Stephen Follansbee; Nicolas Wentzensen; Patti E Gravitt; Niels Grabe; Bernd Lahrmann; Philip E Castle
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Publication Detail:
Type:  Comparative Study; Journal Article     Date:  2011-07-22
Journal Detail:
Title:  Acta cytologica     Volume:  55     ISSN:  0001-5547     ISO Abbreviation:  Acta Cytol.     Publication Date:  2011  
Date Detail:
Created Date:  2011-07-27     Completed Date:  2011-09-20     Revised Date:  2013-05-23    
Medline Journal Info:
Nlm Unique ID:  0370307     Medline TA:  Acta Cytol     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  364-7     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 S. Karger AG, Basel.
Affiliation:
Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, DHHS, Bethesda, MD 20852, USA. gagej@mail.nih.gov
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MeSH Terms
Descriptor/Qualifier:
Anal Canal / pathology*,  virology
Anus Neoplasms / pathology*,  virology
Cytodiagnosis
DNA, Viral / analysis
HIV Seropositivity / pathology
Humans
Male
Nylons*
Papillomaviridae / genetics,  isolation & purification*
Papillomavirus Infections / pathology*,  virology
Polyethylene Terephthalates*
Prognosis
Specimen Handling / instrumentation*,  methods
Chemical
Reg. No./Substance:
0/DNA, Viral; 0/Nylons; 0/Polyethylene Terephthalates
Comments/Corrections

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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