Cutaneous Fungle Flashcards
name three groups of fungi that cause superficial infections
candida
dermatophytes
malassezia species
name three organisms in dermatophytes class
trichophyton
microsporum
epidermophyton
what organism often causes tinea pedis?
trichophyton rubrum
name three clinical patterns of tinea pedis, what is most common?
interdigital (most common)
moccasin
vesiculobullous
describe interdigital tinea pedis
scaling and redness between toes with maceration
describe moccasin type tinea pedis
sharply marginated scales along lateral borders of feet heels and soles
what is often associated with moccasin type tinea pedis?
onychomychosis (nail fungal infections)`
what is the one hand and two foot syndrome?which disorder is it associated with?
moccasin type tinea pedis where one hand and both feet are infected
describe vesiculobullous type tinea pedis
grouped vesicles or bullae seen on arch or instep
which type of tinea pedis is a delayed type hypersensitivity reaction?
vesiculobullous
what do you use to eval potential fungal infection?
KOH
what is the fungistatic drug class used for tinea pedis?
azoles
what is the fungicidal drug use to kill tinea pedis
terbinafine
name the fungicidal and fungistatic med used to kill tinea pedis
ciclopirox
name the three meds used to kill tinea pedis
azoles
terbinafine
ciclopirox
what is a common side effect of having tinea pedis?
lower leg cellulitis
what is onchomychosis?
chronic fungal infection of the nailbed
what is treatment of onchomychosis?
terbinafine
how long must you treat onchomychosis? why?
3 months because of time for nail to grow
where does tinea corporis usually occur?
in the trunk and limbs
what is most prominent symptom of tinea corporis?
itching
is tinea corporis distributed symmetric or asymmetric?
asymmetric
what is another name for tinea corporis?
ringworm
describe the lesion from tinea corporis
annular lesion with central clearing that is erythematous and has raised papulovesicular borders with scaling
what is tinea called when it is obscured by a topical steroid?
tinea incognito
how do you treat tinea corporis?
same as tinea pedis
what is tinea capitis?
dermatophytosis of the scalp and associated hair
what is most common organism that causes tinea capitis in US?
trichophyton tonsurans
what is a prominent feature of tinea capitis?
broken hairs
what is age for tinea capitis?
4-8
what is an associated symptom with tinea capitis?
lymphadenopathy
what are the two groups of tinea capitis?
inflamm and non inflamm
name the two types of non inflamm tinea capitits?
black dot or seborrheic
what is the inflamm tinea capitis called?
kerion
describe the inflammatory tinea capitis lesion of a kerion
painful inflamm mass with broken hair follicles on scalp
what can a kerion lead to ?
a scar
name the drug used for tinea capitis?
griseofulvin
describe the diaper candidiasis rash
beefy red confluent erosions and marginal scaling with satellite papules and pustules
name the two drugs used to treat diaper candidiasis rash
nystatin or imidazole
what is another name for diaper candidiasis
tinea cruris
are the skin folds around the genital area affected with tinea cruris? what about with contact dermatitis?
you betcha with tinea…def not with contact
what is treatment for contact dermatitis from diapers??
coat the butt with zinc oxide cream
what is candidal inertrigo?
candida in skin folds around the body
does candidal intertrigo burn or itch more?
burn
what two drugs used to treat candidal intertrigo?
nystatin and imidazole
