Onychomycosis classification: Difference between revisions
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==Overview== | ==Overview== | ||
Onychomycosis may be classified according to clinical appearance of the nail into 5 subtypes | Onychomycosis may be classified according to <font color="#1f4099">clinical appearance</font> of the nail into 5 subtypes | ||
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== Classification == | == Classification == | ||
Onychomycosis may be classified according to clinical appearance of the nail into 5 subtypes.<ref name="pmid9892897">{{cite journal| author=Baran R, Hay RJ, Tosti A, Haneke E| title=A new classification of onychomycosis. | journal=Br J Dermatol | year= 1998 | volume= 139 | issue= 4 | pages= 567-71 | pmid=9892897 | doi=10.1046/j.1365-2133.1998.02449.x | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9892897 }} </ref> | Onychomycosis may be classified according to clinical appearance of the nail into 5 subtypes.<ref name="pmid9892897">{{cite journal| author=Baran R, Hay RJ, Tosti A, Haneke E| title=A new classification of onychomycosis. | journal=Br J Dermatol | year= 1998 | volume= 139 | issue= 4 | pages= 567-71 | pmid=9892897 | doi=10.1046/j.1365-2133.1998.02449.x | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9892897 }} </ref> | ||
Candidal Onychomycosis has been excluded as a separate type. | *<font color="#1f4099">Distal Subungual Onychomycosis</font> : The most common form of tinea unguium usually caused by Trichophyton rubrum, which invades the nail bed and the underside of the nail plate. | ||
*<font color="#1f4099"> White Superficial Onychomycosis</font>: Caused by fungal invasion of the superficial layers of the nail plate to form "white islands" on the plate. Accounts for only 10 percent of onychomycosis cases. | |||
* <font color="#1f4099">Proximal Subungual Onychomycosis</font>: Fungal penetration of the newly formed nail plate through the proximal nail fold. It is the least common form of tinea unguium in healthy people but found more commonly when the patient is immunocompromised. | |||
*<font color="#1f4099">Endonyx subungual Onychomycosis</font> : Fungal penetration through the full thickness of the nail from directly under the skin. The nail bed is not infected. Commonly found in immunocompromised conditions. | |||
*<font color="#1f4099">Total Dystrophic Onychomycosis</font>: Total destruction of the nail plate. It is the end result of any of the above four types. | |||
<font color="#1f4099">Candidal Onychomycosis</font> has been excluded as a separate type. | |||
==References== | ==References== | ||
Latest revision as of 12:24, 1 September 2021
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Onychomycosis may be classified according to clinical appearance of the nail into 5 subtypes
.
Classification
Onychomycosis may be classified according to clinical appearance of the nail into 5 subtypes.[1]
- Distal Subungual Onychomycosis : The most common form of tinea unguium usually caused by Trichophyton rubrum, which invades the nail bed and the underside of the nail plate.
- White Superficial Onychomycosis: Caused by fungal invasion of the superficial layers of the nail plate to form "white islands" on the plate. Accounts for only 10 percent of onychomycosis cases.
- Proximal Subungual Onychomycosis: Fungal penetration of the newly formed nail plate through the proximal nail fold. It is the least common form of tinea unguium in healthy people but found more commonly when the patient is immunocompromised.
- Endonyx subungual Onychomycosis : Fungal penetration through the full thickness of the nail from directly under the skin. The nail bed is not infected. Commonly found in immunocompromised conditions.
- Total Dystrophic Onychomycosis: Total destruction of the nail plate. It is the end result of any of the above four types.
Candidal Onychomycosis has been excluded as a separate type.
References
- ↑ Baran R, Hay RJ, Tosti A, Haneke E (1998). "A new classification of onychomycosis". Br J Dermatol. 139 (4): 567–71. doi:10.1046/j.1365-2133.1998.02449.x. PMID 9892897.