Exothrix

Exothrix refers to Dermatophyte infections of the hair that infect the hair surface. This is in contrast to Endothrix, where a Dermatophyte mainly invades the hair shaft cell. Using an ultraviolet Wood's lamp, endothrix infections will not fluoresce whereas exothrix infections will.

References

Fungal infection and mesomycetozoea (B35–B49, 110–118)

Superficial and
cutaneous
(dermatomycosis):
Tinea = skin;
Piedra (exothrix/
endothrix) = hair

Ascomycota

Dermatophyte
(Dermatophytosis)

By location	Tinea barbae/tinea capitis Kerion Tinea corporis Ringworm Dermatophytids Tinea cruris Tinea manuum Tinea pedis (athlete's foot) Tinea unguium/onychomycosis White superficial onychomycosis Distal subungual onychomycosis Proximal subungual onychomycosis Tinea corporis gladiatorum Tinea faciei Tinea imbricata Tinea incognito Favus

By organism	Epidermophyton floccosum Microsporum canis Microsporum audouinii Trichophyton interdigitale/mentagrophytes Trichophyton tonsurans Trichophyton schoenleini Trichophyton rubrum Trichophyton verrucosum

Other

Basidiomycota

Subcutaneous,
systemic,
and opportunistic

Ascomycota

Dimorphic
(yeast+mold)

Onygenales	Coccidioides immitis/Coccidioides posadasii Coccidioidomycosis Disseminated coccidioidomycosis Primary cutaneous coccidioidomycosis. Primary pulmonary coccidioidomycosis Histoplasma capsulatum Histoplasmosis Primary cutaneous histoplasmosis Primary pulmonary histoplasmosis Progressive disseminated histoplasmosis Histoplasma duboisii African histoplasmosis Lacazia loboi Lobomycosis Paracoccidioides brasiliensis Paracoccidioidomycosis

Other	Blastomyces dermatitidis Blastomycosis North American blastomycosis South American blastomycosis Sporothrix schenckii Sporotrichosis Penicillium marneffei Penicilliosis

Yeast-like

Mold-like

Basidiomycota

Cryptococcus neoformans
- Cryptococcosis
- Trichosporon spp
- Trichosporonosis

Zygomycota
(Zygomycosis)

Mucorales (Mucormycosis)	Rhizopus oryzae Mucor indicus Lichtheimia corymbifera Syncephalastrum racemosum Apophysomyces variabilis

Entomophthorales (Entomophthoramycosis)	Basidiobolus ranarum Basidiobolomycosis Conidiobolus coronatus/Conidiobolus incongruus Conidiobolomycosis

Microsporidia
(Microsporidiosis)

Enterocytozoon bieneusi/Encephalitozoon intestinalis

Mesomycetozoea

Rhinosporidium seeberi
- Rhinosporidiosis

Ungrouped

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