Potassium Hydroxide Used for Which Microscopic Fungal Examination
There are three genera of fungi. Direct microscopic examination of a more easily. Skin Lesion Koh Exam Uses Procedure Results And Other Tests Fungal hyphae in a KOH preparation of skin scales as seen with the 10x objective. . However KOH preparations have been reported to have 5-15 of false-negative results possibly because of the low visibility of sc. The test takes its name from the chemical formula for potassium hydroxide KOH the substance used in the test to clear skin cells protein and cellular debris making the fungi easier to observe. It involves retrieving the specimen from the nail bed and underneath the nail plate then dissolving it in KOH. To examine skin scrapings or flakes and hair for the presence of hyphae and arthroconidia in suspected dermatophyte infections. Potassium hydroxide KOH can be used on clinical specimens to clear cellular material and for better visualization of fungal elements. Potassium hydro...