Office dermatologic testing: the KOH preparation.

Office dermatologic testing: the KOH preparation.

Brodell R T; Helms S E; Snelson M E

American Family Physician

1991

1991-06

A potassium hydroxide preparation is used to confirm the diagnosis of a superficial fungal skin infection. Adding black or blue-black ink to the potassium hydroxide solution highlights fungal organisms and distinguishes them from surrounding cellular debris.

Humans; Predictive Value of Tests; Biopsy/methods; *Hydroxides; *Potassium; *Potassium Compounds; Candidiasis/diagnosis; Dermatomycoses/*diagnosis; Onychomycosis/diagnosis; Tinea Capitis/diagnosis; Tinea Versicolor/diagnosis

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2061–2065

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