Dermatophytosis causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Syed Hassan A. Kazmi BSc, MD [2]

Overview

Dermatophytes cause non-lethal infection of the superficial skin, therefore, the agents causing dermatophytosis are not life-threatening. Common genera of dermatophytes causing infections include the Epidermophyton, Microsporum and Trichophyton. The causes of dermatophytosis according to the organ system involvement include, tinea corporis which is infection of body surfaces other than the feet, groin, face, scalp hair, or beard hair; Tinea pedis which is infection of the foot; tinea cruris which is infection of the groin; tinea capitis which is infection of scalp hair; tinea unguium (dermatophyte onychomycosis) which signifies infection of the nail; tinea faecei which is infection of the face; tinea barbae which is infection of the facial hair; tinea mannum which includes infection of the hands.

Causes

Life-Threatening Causes

Dermatophytes cause non-lethal infection of the superficial skin, therefore, the agents causing dermatophytosis are not life-threatening.

Common Causes

The common etiologic agents of the dermatophytosis can be categorized into one of three genera:^[1]^[2]

Causes By Organ System

The following are the causes of dermatophytosis by organ system involvement:^[3]^[4]^[5]^[6]

Tinea corporis: Infection of body surfaces other than the feet, groin, face, scalp hair, or beard hair
Tinea pedis: Infection of the foot
Tinea cruris: Infection of the groin
Tinea capitis: Infection of scalp hair
Tinea unguium (dermatophyte onychomycosis): Infection of the nail
Tinea faecei: Infection of the face
Tinea barbae: Infection of the facial hair
Tinea mannum: Infection of the hands

Tinea	Major organ system affected	Genera	Species
Tinea corporis	Body surfaces other than the feet, groin, face, scalp hair, or beard hair	Epidermophyton Microsporum Trichophyton	Commonly: T. rubrum T. mentagrophytes M. canis
Tinea pedis	Feet	Epidermophyton Trichophyton	Commonly: T. mentagrophytes (inflammatory) T. rubrum (ulcerative) E. floccosum (ulcerative)
Tinea cruris	Groin	Epidermophyton Trichophyton	Commonly: E. floccosum T. rubrum T. mentagrophytes
Tinea capitis	Scalp hair	Microsporum Trichophyton	Commonly: M. canis T. mentagrophytes T. tonsurans
Tinea unguium	Nails	Epidermophyton Trichophyton	Commonly: T. mentagrophytes T. rubrum E. floccosum
Tinea faecei	Face	Trichophyton	Commonly: T. rubrum T. menatagrophytes
Tinea barbae	Facial hair	Trichophyton	Commonly: T. mentagrophytes T. rubrum
Tinea mannum	Hands	Trichophyton	Commonly: T. rubrum

References

↑ Weitzman I, Summerbell RC (1995). "The dermatophytes". Clin. Microbiol. Rev. 8 (2): 240–59. PMC 172857. PMID 7621400.
↑ Elewski BE (1998). "Onychomycosis: pathogenesis, diagnosis, and management". Clin. Microbiol. Rev. 11 (3): 415–29. PMC 88888. PMID 9665975.
↑ Weitzman I, Summerbell RC (1995). "The dermatophytes". Clin. Microbiol. Rev. 8 (2): 240–59. PMC 172857. PMID 7621400.
↑ "Diagnosis and Management of Tinea Infections - American Family Physician".
↑ El-Gohary M, van Zuuren EJ, Fedorowicz Z, Burgess H, Doney L, Stuart B, Moore M, Little P (2014). "Topical antifungal treatments for tinea cruris and tinea corporis". Cochrane Database Syst Rev (8): CD009992. doi:10.1002/14651858.CD009992.pub2. PMID 25090020.
↑ Elewski BE (1998). "Onychomycosis: pathogenesis, diagnosis, and management". Clin. Microbiol. Rev. 11 (3): 415–29. PMC 88888. PMID 9665975.

Template:WikiDoc Sources

[pmid7621400-1] Weitzman I, Summerbell RC (1995). "The dermatophytes". Clin. Microbiol. Rev. 8 (2): 240–59. PMC 172857. PMID 7621400.

[pmid96659752-2] Elewski BE (1998). "Onychomycosis: pathogenesis, diagnosis, and management". Clin. Microbiol. Rev. 11 (3): 415–29. PMC 88888. PMID 9665975.

[pmid76214002-3] Weitzman I, Summerbell RC (1995). "The dermatophytes". Clin. Microbiol. Rev. 8 (2): 240–59. PMC 172857. PMID 7621400.

[urlDiagnosis_and_Management_of_Tinea_Infections_-_American_Family_Physician-4] "Diagnosis and Management of Tinea Infections - American Family Physician".

[pmid25090020-5] El-Gohary M, van Zuuren EJ, Fedorowicz Z, Burgess H, Doney L, Stuart B, Moore M, Little P (2014). "Topical antifungal treatments for tinea cruris and tinea corporis". Cochrane Database Syst Rev (8): CD009992. doi:10.1002/14651858.CD009992.pub2. PMID 25090020.

[pmid9665975-6] Elewski BE (1998). "Onychomycosis: pathogenesis, diagnosis, and management". Clin. Microbiol. Rev. 11 (3): 415–29. PMC 88888. PMID 9665975.

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