Common Pediatric Dermatoses in OPD Flashcards Preview

OS 212 DERMATOLOGY > Common Pediatric Dermatoses in OPD > Flashcards

Flashcards in Common Pediatric Dermatoses in OPD Deck (28):
1

Honey colored crusts caused by Staphylococcus, Streptococcus, MRSA

Impetigo Contagiosa

2

treatment of Impetigo Contagiosa

Systemic antibiotics
(cloxacillin, cephalexin, mupirocin)

3

Caused by Mycobacterium leprae transmitted via inhalation/droplets

Hypopigmented or reddish skin lesion with sensory loss

History of Chronicity

Hansen's disease

4

Treatment for Hansen's disease

Multidrug therapy (rifampicin, clofazimine)

(dapsone, clofazimine)

5

Pearly smooth firm nodule. Nodule is non-itchy, flesh colored with central umbilication

Molluscum contagiosum

6

Koebner phenomenon

Spreading by trauma like scratching

7

treatment of Molluscum contagiosum

Imiquimod (topical)

0.05% tretinoin

Remove by curretage

Cryotherapy

8

Elevated rough graying papule increasing in size every time nicked out. Itchy when perspiring

Verruca vulgaris

9

Salient features of Verruca vulgaris

Papilloma
Slow growing, chronic
HPV types 1-4

10

Dx clincher for verruca vulgaris

tiny punctate black dots on wart surface representing thrombosed capillaries

11

Treatment for Verruca Vulgaris

Light cryotherapy
Topical Slicylic acid
Imiquinod
Electrodessication

12

Multiple Vesicular lesions (prodrome - low grade fever, malaise, headache)

Varicella

-raindrop on a rose petal

13

Differentiate Measles vs Varicella

Measles: TOP -> DOWN

Varicella: CENTRAL ->OUTWARDS

14

Treatment of Varicella

Neonatal varicella - acyclovir 500mg q8 x 10 days

child - acyclovir 20mg/kg qid x 5 days or symptomatic tx

15

Grouped vesicles following a dermatomal distribution, Unilateral

Painful (burning, tingling sensation)

papules and plaques of erythema in a dermatome followed by development of blisters within hour

Herpes Zoster

Illness lasts 2-3 weeks, 6 weeks

16

Treatment for herpes zoster

Golden Period: 3-4 days after appearance of vesicles to optimize efficacy

Acyclovir 800mf 5x/daily
Valcyclovir 1000mg
Famciclovir 500 mg 3x/daily for 7 days

17

Papules with central punctum appear on exposed areas and arms and legs.

Mosquito bite

-Excoriations can give rise to secondary bacterial infection and prurigo nodularis

18

Pruritic erythematous papules distributed in soft, warm and moist area, wrist area, armpit, inframammary area, umbilical, inner thigh, scrotal and buttock areas

NOCTURNAL PRURITUS

Scabies

-Sarcoptes scabiei

19

Treatment for Scabies

Permethrin 5% lotion
(leave 8-12 h) -> repeat after 7 days

Crotamiton 10% apply for 3-5 days

Prevention: Take care of the fomites. (Scabies die in heart or seal in airtight bag for 7 days)

20

Broken off stumps of hairs in rounded erythematous patches where there are scales, crust, or pustules and few hair

Tinea Capitis

21

Black dot

endothrix (trichophyton tonsurans)

22

Gray patch

Ectothrix (microsporon)

23

Inflammatory tinea capitis

Kerion/favus or scutula, bluish white fluorescence

24

Treatment for tinea capitis

systemic treatment

Oral antifungals:
Ultramicronized griseofulvin
Terbinafine
Itraconazole
Ketoconazole

25

Chronic, inflammatory, lloos, dry, moist, greasy scales (Seborrheic Dermatitis)

Seborrheic dermatitis

Scalp - Most common form manifesting as dry flaky desquamation in infants, the scalp may be covered by a greasy dirty crust

26

Treatment for Seborrheic dermatitis

Low potency corticosteroid cream

For scalp - selenium sulfide shampoo, tar, zinc, pyrithione

In auditory meatus - low potency cortisone and 2 % acetic acid

allylamines - dermatophytic infection

27

Primary lesions are discrete coin-shaped erythematous, vesicular or crusted plaques

Legs are favored areas

Chronic and relapsing

Nummular eczema

28

Treatment for nummular eczema

If infected, topical antimicrobials may be given

If not infected, may use potent corticosteroid creams, oral antihistmines, moisturizers.