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Nail candidiasis - Nail and Distal Digit
Other Resources UpToDate PubMed

Nail candidiasis - Nail and Distal Digit

Contributors: Shari Lipner MD, PhD, Susan Burgin MD, Bertrand Richert MD, Robert Baran MD
Other Resources UpToDate PubMed

Synopsis

Candida nail infections can be divided into 3 general categories.

Infection may begin as chronic paronychia (the recent view is that this is an irritant or allergic hand dermatitis). There is redness and edema of the nail folds, followed by Candida colonization or, less likely, infection. Chronic paronychia is more common in people exposed occupationally to water and irritants.

Patients with chronic mucocutaneous candidiasis are characterized by Candida infections of the skin, mucous membranes, and nails. Patients are at risk of developing cutaneous and systemic granulomas. In rare cases, these patients may develop Candida granuloma involving the nail. This is due to Candida directly invading the nail plate. The nail plate will have gross hyperkeratosis.

The third type of presentation is onycholysis, which is defined as the nail plate separating from the nail bed. This occurs more commonly on the hands than the feet. Candida is often cultured, but in most cases is believed to be from colonization rather than pathogenic.

Codes

ICD10CM:
B37.2 – Candidiasis of skin and nail

SNOMEDCT:
23484007 – Candidiasis of nails

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Last Reviewed:08/08/2017
Last Updated:08/09/2017
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Nail candidiasis - Nail and Distal Digit
A medical illustration showing key findings of Nail candidiasis : Nail fold erythema and edema, Onycholysis - lifting nail, Subungual hyperkeratosis
Clinical image of Nail candidiasis - imageId=2350574. Click to open in gallery.  caption: 'A thinned and markedly dystrophic fingernail with erythema and edema of the proximal nailfold.'
A thinned and markedly dystrophic fingernail with erythema and edema of the proximal nailfold.
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