Dermatophytes

Dermatophytes (Superficial Mycoses) (Skin Plants) www.freelivedoctor.com

Tinea Ringworm (moth) www.freelivedoctor.com

Tinea corporis (the body) www.freelivedoctor.com

Tinea pedis (feet) www.freelivedoctor.com

Tinea unguium (nails) www.freelivedoctor.com

Tinea capitis (scalp) www.freelivedoctor.com

Tinea cruris (jock itch) www.freelivedoctor.com

Tinea barbae (bearded area) www.freelivedoctor.com

Tinea versicolor (Spaghetti and meatballs) www.freelivedoctor.com

Ecology of Dermatophytes ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Anthropophilic Associated with humans only. Person -to-person transmission through contaminated objects (comb, hat, etc.) www.freelivedoctor.com

Zoophilic Associated with animals. Direct transmission to humans by close contact with animals. www.freelivedoctor.com

Geophilic Usually found in soil. Transmitted to humans by direct exposure. www.freelivedoctor.com

Geographic Distribution Worldwide www.freelivedoctor.com

Dermatophytes 3 Genera ,[object Object],[object Object],[object Object],www.freelivedoctor.com

Trichophyton (19 species) ,[object Object],[object Object],[object Object],www.freelivedoctor.com

Trichophyton species Large, smooth, thin wall, septate, pencil-shaped www.freelivedoctor.com

Trichophyton rubrum Causes a chronic infection in patients with a cell-mediated immune defect. (most common in SC blacks) www.freelivedoctor.com

Microsporum (13 species) ,[object Object],[object Object],www.freelivedoctor.com

Microsporum species Thick wall, spindle shape, multicellular www.freelivedoctor.com

Microsporum canis . Most common etiologic agent of tinea in SC whites www.freelivedoctor.com

Epidermophyton floccosum ,[object Object],[object Object],www.freelivedoctor.com

Epidermophyton floccosum Bifurcated hyphae with multiple, smooth, club shaped macroconidia (2-4 cells) www.freelivedoctor.com

Therapy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Dermatophytid Reaction (ID) ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Dermatophytid Reaction (ID) ,[object Object],[object Object],[object Object],www.freelivedoctor.com

Dermatophyte Culture www.freelivedoctor.com

Dermatophytes ,[object Object],[object Object],[object Object],www.freelivedoctor.com

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