Malassezia furfur

NO inflammatory response

spagetti and meatballs

depigmentation/pigmentation

Other: Seborrheic dermatitis

exophialia (hortae) werneckii

TX: salicyclic acic, benzoic acid

Black piedra

White piedra

Peidraia hortae

Trichosporon beigelli

Infection of external hair shaft

TX: shave hair, antifungal shampoo

Cutaneous mycoses

(caused by fungi)

dermaphytoses, tineas, ringworms

classified due to location

induce inflammatory response

metabolize keratin

"ids" - allergic rx at distant site

tricohyton rubrum, microsporum

trunk and legs

trychophyton concentricum

concentric rings of scales

trunk, legs, forarms

tinea pedis

tinea cruris

Athlete's foot - trichophyton, epidermophyton

Jock itch - trychophyton, epidermophyton

most common, 50% occur together

tinea capitis

(scalp ringworm, favus)

microsprum canis

inflammation of scalp skin

endothrix - inside hair shaft

ectothris - outside hair shaft

"kerion" - patches of hair loss

Trichophyton

Infection of bearded area

infection of nails

trichophyton

Candida sp. can cause something similar but usually immunodef pt

TX: azoles

tolnaftate

terbinafine

griseofulvin

topical - athletes foot

topical/oral - nails

oral - last choice, toxic to kidneys

fonsecaea, cladosporium, phialophora sp.

wart like, tropical, produce melanin

"copper penny spores"

TX: surgery, intraconazole

Sporotrichosis

(rose thorn disease)

sporothrix schenckii

taken up by lymph system

"asteroid body" - dimorphic

TX: oral potassium iodide