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EOR Pediatrics > Chapter 6: Dermatology > Flashcards

Chapter 6: Dermatology Flashcards

1
Q

Hand foot and mouth disease is caused by

A

Coxsackie A viruses

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2
Q

Appearance of Hand, foot, and mouth dz

A

Prodrome of anorexia, fever and oral pain

-football shape vesicles w/ surrounding erythema

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3
Q

Tx of Hand Foot and Mouth Dz

A

Supportive

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4
Q

What is Giannoti-Crosti Syndrome/Papular Acrodermatitis of childhood?

A

Asymptomatic erythematous papular eruption commonly occurring from 1-6 years old after acute respiratory illness
-associated w/ Hep B, EBV, Varicella

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5
Q

Appearance of Giannoti-Crosti Syndrome/Papular Acrodermatitis

A

Symmetrically distributed on the face, extensor surfaces of the arms, legs, and buttocks and strikingly spares the trunk

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6
Q

Tx of Giannoti-Crosti Syndrome/Papular Acrodermatitis

A

Treatment is supportive

-may take about 8 weeks to recover

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7
Q

Varicella presentation

A 
-fever and lesions (varies in severity)
"dewdrop on a rose petal"
**incubation = 10-21 days
Clinical diagnosis (can do tzanck smear looking for multinucleated giant cells)
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8
Q

Tx of Varicella

A

Supportive:

  • antipyretics
  • daily bathing (to avoid secondary infection)
  • antihistamines (for pruritis)
  • *admin of vaccine w/in 72 hours of exposure may prevent or lessen the disease severity
  • *systemic antiviral meds are not for kids
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9
Q

Presentation of Herpes Zoster

A
  • uncommon in healthy children <10
  • fever, malaise
  • vesicular eruption in dermatomal distribution
  • *clears in 7-14 days
  • very painful and sometimes requires narcotics
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10
Q

Molluscom cantagiosum is caused by

A

cutaneou viral infection (poxvirus)

-spread by touching, autoinnoculation, and scratcig

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11
Q

Tx of molluscum contagiousum

A
  • resolves spontaneously in 1-2 years but if family wants them tx earlier than that:
  • curettage
  • cryotherapy
  • cantharidin
  • oral cimetidine
  • imiquimod cream
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12
Q

Pityriasis Rosea presentation

A
  • exanthem of unknown etiology
  • herald patch (2-10 cm oval salmon pink patch)
  • followed by smaller lesions in christmas tree pattern
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13
Q

Tx of Pityriasis Rosea

A
  • rash fades over 4-12 weeks
  • self limited and no tx is needed
  • topical and oral antihistamines or topical steroids can be used for pruritis
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14
Q

Unilateral thoracic exanthem

A

begins on one side of the trunk and spreads centriptallyseen more commonly in the winter and spring months and may follow viral symptoms (assumed viral etiology)

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15
Q

Most common cause of skin infection

A
  • Group A beta hemolytic streptococcus

- staph aureus

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16
Q

Bullous impetigo

A

caused by toxin producing strain of staph aureus

-red macules that profess to bullous fluid filled eruptions

17
Q

Non bullous impetigo

A

caused by s auras and group A beta hemolytic strep

-honey colored think exudate w/ crust

18
Q

Tx of non-bullous impetigo

A

Limited lesions = mupirocin ointment

19
Q

Tx of bullous impetigo or non-bullous impetigo that is numberous

A

First generation cephalosporin (cephalexin)

If MRSA is suspected (clindamycin or tmp/smx)

20
Q

Staphylococcal scalded skin syndrome

A

Most common in infancy and rarely occurs beyond 5 years
-develops superficial flaccid bullae which rupture almost immediately and leave a beefy red weeping surface
+ nikolsky sign (sep w/ rub)

21
Q

Tx of SSSS

A

Mild: topical antistaph med
Severe: tx as if they have a second degree burn w/ fluid management and IV oxacilin or clindamycin

22
Q

Folliculitis cause

A

S. aureus

hot tub = pseudomonas

23
Q

Tx of folliculitis

A

Aggressive hygiene and topical mupirocin

24
Q

Most common fungus that cause infection

A
  • trichophyton tonsurans (most common cause of tine captious in the US)
  • microsporum canis (spread from animals)
  • Trichophyton rubum (tinea corporis; tinea pedis; tinea cruris)
25
Q

Tx of fungal infections

A

Superficial skin infections =Topical anti fungal agents (clotrimazole)
Nail or hair infections = systemic anti fungal drugs (oral griseofulvin)

26
Q

Tinea (piryriasis) versicolor is caused by

A

infection w/ the yeast malassezia fur fur

27
Q

Tx of Tinea Versicolor

A

selenium sulfide shampoo or other topical or systemic anti fungal treatments

28
Q

Diaper rash that lasts more than 4 days

A

80% is colonized with candida albicans

-barrier creams along w/ topical anti fungal or nystatine creams are firstline treatment of choice

29
Q

What bacteria causes acne

A

Propioibacterium anes

30
Q

Risk factors for acne

A

-family history and puberty
-PCOS, cushings
(poor hygiene and food intake are not risk factors)

31
Q

Tx of acne

A

see pg 79

32
Q

Psoriasis

A 
Auspitz sign (point bleeding w/ removal of plaque)
Koebner phenomenon (diagnostic feature in which plaques appear at sights of old trauma)
**favors extensor surfaces
***most important aspect is education that it is chronic and recurrent
33
Q

Erythema multiforme

A

target like appearance

  • burning and itching are common
  • most common cause of recurrent EM is herpes simplex type 1 infection
34
Q

SJS most common drugs

A
  • NSAIDs
  • Penicillins
  • Sulfonamides
  • AED
  • Mycoplasma infections
  • rarely immunizations
35
Q

TEN =

A

SJS involving >30% of body surface area

36
Q

Allergic drug reactions

A

develop within 1 to 2 weeks of staring new medications

37
Q

Tx of infantile hemangiomas

A

often regress w/o treatment

-anticipatory guidance and support of family while following the lesion on a regular basis

EOR Pediatrics (16 decks)

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