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derm > Cutaneous Fungle > Flashcards

Cutaneous Fungle Flashcards

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Dermatology Board Prep flashcards
1
Q

name three groups of fungi that cause superficial infections

A

candida
dermatophytes
malassezia species

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2
Q

name three organisms in dermatophytes class

A

trichophyton
microsporum
epidermophyton

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3
Q

what organism often causes tinea pedis?

A

trichophyton rubrum

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4
Q

name three clinical patterns of tinea pedis, what is most common?

A

interdigital (most common)
moccasin
vesiculobullous

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5
Q

describe interdigital tinea pedis

A

scaling and redness between toes with maceration

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6
Q

describe moccasin type tinea pedis

A

sharply marginated scales along lateral borders of feet heels and soles

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7
Q

what is often associated with moccasin type tinea pedis?

A

onychomychosis (nail fungal infections)`

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8
Q

what is the one hand and two foot syndrome?which disorder is it associated with?

A

moccasin type tinea pedis where one hand and both feet are infected

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9
Q

describe vesiculobullous type tinea pedis

A

grouped vesicles or bullae seen on arch or instep

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10
Q

which type of tinea pedis is a delayed type hypersensitivity reaction?

A

vesiculobullous

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11
Q

what do you use to eval potential fungal infection?

A

KOH

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12
Q

what is the fungistatic drug class used for tinea pedis?

A

azoles

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13
Q

what is the fungicidal drug use to kill tinea pedis

A

terbinafine

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14
Q

name the fungicidal and fungistatic med used to kill tinea pedis

A

ciclopirox

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15
Q

name the three meds used to kill tinea pedis

A

azoles
terbinafine
ciclopirox

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16
Q

what is a common side effect of having tinea pedis?

A

lower leg cellulitis

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17
Q

what is onchomychosis?

A

chronic fungal infection of the nailbed

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18
Q

what is treatment of onchomychosis?

A

terbinafine

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19
Q

how long must you treat onchomychosis? why?

A

3 months because of time for nail to grow

20
Q

where does tinea corporis usually occur?

A

in the trunk and limbs

21
Q

what is most prominent symptom of tinea corporis?

A

itching

22
Q

is tinea corporis distributed symmetric or asymmetric?

A

asymmetric

23
Q

what is another name for tinea corporis?

A

ringworm

24
Q

describe the lesion from tinea corporis

A

annular lesion with central clearing that is erythematous and has raised papulovesicular borders with scaling

25
Q

what is tinea called when it is obscured by a topical steroid?

A

tinea incognito

26
Q

how do you treat tinea corporis?

A

same as tinea pedis

27
Q

what is tinea capitis?

A

dermatophytosis of the scalp and associated hair

28
Q

what is most common organism that causes tinea capitis in US?

A

trichophyton tonsurans

29
Q

what is a prominent feature of tinea capitis?

A

broken hairs

30
Q

what is age for tinea capitis?

A

4-8

31
Q

what is an associated symptom with tinea capitis?

A

lymphadenopathy

32
Q

what are the two groups of tinea capitis?

A

inflamm and non inflamm

33
Q

name the two types of non inflamm tinea capitits?

A

black dot or seborrheic

34
Q

what is the inflamm tinea capitis called?

A

kerion

35
Q

describe the inflammatory tinea capitis lesion of a kerion

A

painful inflamm mass with broken hair follicles on scalp

36
Q

what can a kerion lead to ?

A

a scar

37
Q

name the drug used for tinea capitis?

A

griseofulvin

38
Q

describe the diaper candidiasis rash

A

beefy red confluent erosions and marginal scaling with satellite papules and pustules

39
Q

name the two drugs used to treat diaper candidiasis rash

A

nystatin or imidazole

40
Q

what is another name for diaper candidiasis

A

tinea cruris

41
Q

are the skin folds around the genital area affected with tinea cruris? what about with contact dermatitis?

A

you betcha with tinea…def not with contact

42
Q

what is treatment for contact dermatitis from diapers??

A

coat the butt with zinc oxide cream

43
Q

what is candidal inertrigo?

A

candida in skin folds around the body

44
Q

does candidal intertrigo burn or itch more?

A

burn

45
Q

what two drugs used to treat candidal intertrigo?

A

nystatin and imidazole

derm (22 decks)

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