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A Candida yeast infection can also be identified by a KOH test by taking scrapings from the mouth (oral thrush), vagina and skin (candidiasis). There are over 40 different fungus species known to cause disease in humans, of which Candida albicans is the most common and most frequently tested for.
Superficial scrapes of skin examined underneath a microscope may reveal the presence of a fungus.This is done by utilizing a diagnostic method called KOH test, [6] wherein the skin scrapings are placed on a slide and immersed on a dropful of potassium hydroxide solution to dissolve the keratin on the skin scrappings thus leaving fungal elements such as hyphae, septate or yeast cells viewable.
Malassezia furfur is a fungus that lives on the superficial layers of the dermis.It generally exists as a commensal organism forming a natural part of the human skin microbiota, but it can gain pathogenic capabilities when morphing from a yeast to a hyphal form during its life cycle, through unknown molecular changes. [2]
Dermatophyte (from Greek δέρμα derma "skin" (GEN δέρματος dermatos) and φυτόν phyton "plant") [1] is a common label for a group of fungus of Arthrodermataceae that commonly causes skin disease in animals and humans. [2] Traditionally, these anamorphic (asexual or imperfect fungi) mold genera are: Microsporum, Epidermophyton ...
Many skin conditions require a skin biopsy for confirmation of the diagnosis. With several of these conditions there are features within the cells contained in the skin biopsy specimen that have elements in their cytoplasm or nucleus that have a characteristic appearance unique to the condition. These elements are termed inclusion bodies.
A dermatomycosis is a skin disease caused by a fungus. Most dermatomycoses are mild and resolve without treatment, but many are treated clinically with topical antifungal medicines. Oral antifungals are also an option for treatment. [1]
Identification of Malassezia on skin has been aided by the application of molecular or DNA-based techniques. These investigations show that the M. globosa is the species that causes most skin disease in humans, and that it is the most common cause of dandruff and seborrhoeic dermatitis (though M. restricta is also involved).
Direct microscopy with 10% KOH would show small to medium conidia with ectothrix hair invasion. [11] Performing a wet mount would show 'racquet shaped hyphae' with few macro and microconidia. [ 11 ] Histological examination of a diseased hair shows clefts that between the inner root sheath and hair.