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MSK/Skin > skin mycotic infections > Flashcards

skin mycotic infections Flashcards

Diagnose and treat superficial fungal skin infections. Differentiate black and white piedra. Identify ringworm infections. Diagnose and treat subcutaneous fungal skin infections.

1
Q

discrete hyper-pigmented or hypopimented macular lesions on trunk, or arms

A

tinea veriscolor

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2
Q

KOH treated skin scrapings show “spagetti and meatballs” fungus

A

tinea versicolor

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3
Q

generally asymptomatic, but consisting of brownish macular skin lesions on palms and soles

A

tinea nigra

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4
Q

endemic areas for tinea nigra

A

florida, tropics

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5
Q

diagnosis confirmed on sabourand’s medium

A

tinea nigra

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6
Q

superfical fungal infection of the hair, consisting of black, hard nodules on the hair shaft

A

black piedra

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7
Q

softwhite pasty growths on hair shafts

A

white piedra

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8
Q

hair infection caused by yeast-like orginism

A

white piedra

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9
Q

treatment of tinea versicolor/tinea nigra

A

miconizole nitrate

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10
Q

MOA of miconizole nitrate

A

inhibits ergosterol

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11
Q

treatment of black/white piedra

A

shave the hair

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12
Q

area of skin lesion to scrape

A

edges (has more fungal agent)

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13
Q

chemical used in fungal microscopic identidification

A

KOH

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14
Q

medium used for fungal microscopic identidification

A

sabourand’s dextrose agar

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15
Q

criteria used to identify funusd

A

size, color, texture of colonies as well as fungal element ans spore morphology

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16
Q

ergosterol sythesis inhibitors

A

mconazole, clortrimazole, and econazole

17
Q

oral drug for tiniea

A

griseofulvin

18
Q

MOA of griseofulvin

A

inhibits fungal microtubular system and mitotic spindle formation

19
Q

nodular and ulcerative lesions starting at site of trauma and spreadin alon lymphatics

A

lymphocutaneous sporortrichosis

20
Q

initially white colonies chanin to dark pimentations

A

lymphocutaneous sporortrichosis

21
Q

treatment for lymphocutaneous sporortrichosis

A

KOH orally, amphotericin for systemic

22
Q

slow devloping warty cutanous califlower lookin lesions

A

chromoblastomycosis

23
Q

exibits pseduoepitheliomatous hyperplasia

A

chromoblastomycosis

24
Q

diagnosed by sclerotic/medlar bodies

A

chromoblastomycosis

25
Q

treatment for chromoblastomycosis

A

cautery/debridement. Fluorocytosine in advanced cases

26
Q

solitary cysts in subQ tissues, esp in extremities

A

phaeohypomycosis

27
Q

dark, pigmented hyphae

A

phaeohypomycosis

28
Q

can lead to brain abcesses

A

phaeohypomycosis

29
Q

treatment for phaeohypomycosis brain abcesses

A

amphotericin

30
Q

common in tropical plant debris

A

zygomycosis

31
Q

firm movable masses localized to subQ of face or limbs

A

zygomycosis

32
Q

ranulomatous lesions rich in eosinophils

A

zygomycosis

33
Q

treatment for zygomycosis

A

topical nystatin and oral KOH

34
Q

chronic deformin, swollen lesions on feet, lower extremties and hands

A

eumycotic mycoses

35
Q

treatment for eumycotic mycoses

A

nystatin and KOH. Possible surgery

MSK/Skin (18 decks)

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