Microscopic Examinations of Skin Infections–Yeast

Microscopic Examinations of Skin Infections–Yeast

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Created: Tuesday, 06 February 2007

Last update: Wednesday, 28 September 2011

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Rebecca Buxton (Corresponding Author)

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Candida albicans (Enlarged view)	Slide 1. Candida albicans This specimen from a cutaneous pustule contains yeast, which stain gram positive and are much larger than bacteria. Pseudohyphae and budding, often present in Candida infections, are absent.
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Candida albicans (Enlarged view)	Slide 2. Candida albicans This KOH preparation of a pustule on a hand demonstrates yeasts, some of which are budding. Gram stain is often used instead of KOH preparations to diagnose Candida infections.
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Malassezia furfur (Enlarged view)	Slide 3. Malassezia furfur The yeast Malassezia furfur (previously known as Pityrosporum orbicularae and as P. ovale) normally is found on the skin of adults. When it causes tinea (pityriasis) versicolor, a superficial cutaneous infection, it appears as yeasts and hyphae that look like “spaghetti and meatballs” as seen in this KOH preparation of skin scrapings.
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Malassezia furfur (Enlarged view)	Slide 4. Malassezia furfur The addition of Parker’s blue-black ink to a KOH preparation of M. furfur often increases the visibility of the organisms.

Information	These images are from the original published atlas: Tenover, F. C., and J. V. Hirschmann. 1990. Interpretation of Gram stains and other common microbiologic slide preparations. The UpJohn Company, Kalamazoo, Mich. Permission granted to the ASM MicrobeLibrary by Pfizer Inc. This atlas was written to help clinicians, microbiologists, and laboratory personnel identify organisms in infected materials stained by techniques commonly used in most clinical laboratories. Please refer to the atlas' main page for more information and a guide to all of the images.
Related Content	Interpretation of Gram Stains and Other Common Microbiologic Slide Preparations Examination of Gram Stains of Bacterial Skin Infections Microscopic Examinations of Skin Infections—Ectoparasites Microscopic Examinations of Skin Infections—Filamentous Fungi (Dermatophytes)
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Tags: Cell biology (251) , Microbes in humans (376)