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Peds Rotation > Derm part 3 > Flashcards

Derm part 3 Flashcards

1
Q

Tinea capitis characteristics

A

Prepubertal infection of scalp, hair shafts

Black dot alopecia

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2
Q

Dx of tinea capitis

A

M. audouinii fluorescence: blue-green with Wood lamp
+KOH
Culture

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3
Q

Tx of tinea capitis

A

Griseofulvin
Terbinafine
Itraconazole

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4
Q

Tinea corporis characteristics

A

Slightly pruritic ringlike, erythematous papules, plaques with scaling and slow outward expansion of the border
Check cat or dog for M. canis

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5
Q

Dx of tinea corporis

A

+KOH
Culture
M. canis fluorescence: blue-green with Wood lamp

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6
Q

Tx of tinea corporis

A 
Topical metronidazole
Clotrimazole
Terbinafine
Tolnaftate
Ciclopirox
Oxiconazole
Butenafine
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7
Q

Tinea cruris characteristics

A

Symmetric, pruritic, scrotal sparing, scaling plaques

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8
Q

Dx of tinea cruris

A

+KOH

Culture

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9
Q

Tx of tinea cruris

A 
Topical miconazole
Clotrimazole
Terbinafine
Tolnaftate
Ciclopirox
Oxiconazole
Butenafine
Wear loose cotton underwear
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10
Q

Characteristics of tinea pedis

A

Moccasin or interdigital distribution
Dry scales
Interdigital maceration with secondary bacterial infection

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11
Q

Dx of tinea pedis

A

+KOH

Culture

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12
Q

Tx of tinea pedis

A 
Topical miconazole
Clotrimazole
Terbinafine
Tolnaftate
Ciclopirox
Oxiconazole
Butenafine
Wear cotton socks
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13
Q

Causes of tinea versicolor

A

Tropical climates

Steroids or immunosuppressive drugs

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14
Q

Age range of tinea versicolor

A

Uncommon before puberty

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15
Q

PE of tinea versicolor

A

Chest, back, arms
Oval hypopigmented or hyperpigmented in AAs
Red-brown in Caucasians
Scaling patches

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16
Q

Dx of tinea versicolor

A

+KOH

Orange-gold fluorescence with Wood lamp

17
Q

Tx of tinea versicolor

A

Topical selenium sulfide

Oral ketoconazole

18
Q

Cause of nonbullous impetigo

A

MC- S. aureus

Occasionally group A streptococcus

19
Q

Presentation of impetigo

A

Begins as a single erythematous papulovesicle that progresses to one or many honey-colored crusted lesions weeping serous drainage

20
Q

Location of impetigo

A

Most frequently on the face, nares, and mouth, and extremities

21
Q

Tx of impetigo

A

Topical 2% mupirocin or PO antistaphylococcal abx

Peds Rotation (12 decks)

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