TITLE

What is the best method of diagnosing onychomycosis?

AUTHOR(S)
Rea, Cathy; Greenawald, Mark H.
PUB. DATE
December 2003
SOURCE
Journal of Family Practice;Dec2003, Vol. 52 Issue 12, p929
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This study indicated that nail plate biopsy followed by periodic acid-Schiff staining is the most accurate method for diagnosing onychomycosis. The positive predictive value (PV+) of periodic acid-Schiff staining was equal to both potassium hydroxide (KOH) preparation and fungal culture, with a greater negative predictive value (PV-) due to superior sensitivity. However, availability of periodic acid-Schiff staining may vary geographically, and the cost of the diagnostic tests is not addressed in this study. Thus, it makes clinical sense to start with the most accessible test, using periodic acid-Schiff staining if other methods are negative and clinical suspicion is high.
ACCESSION #
11698459

 

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