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Laughing Your Way > Dermatology > Flashcards

Dermatology Flashcards

1
Q

3 wks of life
Clustered or grouped vesicles on erythematous base
Multinucleated giant cells
Eosinophilic intranuclear inclusions

Treatment

A

Neonatal herpes

IV acyclovir

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2
Q

Vesicles not on erythematous base
Linear pattern

A

Incontinentia pigmenti

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3
Q

Multiple pustules
Brown macules
Vesicles
Non-erythematous base
“Leaving a collarette”
Present at birth

A

Transient neonatal pustular melanosis

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4
Q

Yellow pustules
Erythematous macule
Not present at birth
Wright stain with eosinophils

A

Erythema toxicum neonatorum

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5
Q

Lichenification with scratching

A

Atopic dermatitis

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6
Q

Vesicles
Punched out lesions
Crusted erosions
Inflamed eczema not responding to steroids and antibiotics

Treatment

A

Eczema herpeticum

Acyclovir

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7
Q

Greasy yellow patches
Cradle cap

Treatment

A

Seborrheic dermatitis

Antifungal washes and topical steroids

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8
Q

Seborrheic dermatitis
Ear discharge
Polyuria

A

Langerhans cell histiocytosis X

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9
Q

Prepubertal
Pruritic rash on soles
Minimal scaling
Thickening of skin
Hyper-linearity of distal sole
Normal interdigital skin

Treatment

A

Juvenile plantar dermatosis

Triamcinolone

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10
Q

Silvery lesions
Auspitz sign
Erythematous plaques surrounded by thick adherent scales
Pinpoint areas of hemorrhage
Thick scales on scalp
Koebner reaction

A

Psoriasis

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11
Q

Psoriasis after strep infection

A

Guttate psoriasis

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12
Q

Herald patch
Christmas tree pattern
Exposure to sun/light improves symptoms

A

Pityriasis rosea

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13
Q

Nonscaling annular lesions
Nonepidermal involvement
Intact skin

A

Granuloma annular

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14
Q

Most likely cause of bullous impetigo and crusted impetigo

A

Staph aureus

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15
Q

Very tender
Red
Sheet-like loss of skin
+Nikolosky sign

A

Staphylococcal scalded skin syndrome

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16
Q

Target lesion
Mycoplasma pneumoniae
HSV

A

Erythema multiforme

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17
Q

Fever, myalgia, arthralgia
Invasive rash
Mucosal involvement
Sulfa, AEDs, NSAIDs
No separation of skin in sheets

A

Stevens Johnson syndrome

<10% BSA

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18
Q

Sunburn-like erythema
Sheet-like separation
Widespread bullae
Dunuded necrotic skin
Dermal involvement

A

Toxic epidermal necrolysis (TEN)

> 30% BSA

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19
Q

Erythema infectiosum

A

Parvovirus B19
“Fifth disease”

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20
Q

Erythema chronicum migrans

A

Lyme disease

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21
Q

Erythema nodosum

A

TB
OCPs
IBD (UC)
Cocci

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22
Q

Erythema marginatum

A

Rheumatic fever

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23
Q

Pruritic linear lesions
Burrows
Between digits
Infants-scalp, palms/soles

Treatment

A

Scabies

Permethrin 5% cream

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24
Q

Intense scalp itching
Excoriations
White dots that cannot be removed

Treatment

A

Head lice

Permethrin cream
Nits do not have to be removed before return to school

25
Q

Macula ceruleae
(Blue-gray macules on the abdomen or inner thigh)

A

Pubic lice

Think sexual abuse

26
Q

Central dimpling
Viral inclusion bodies

A

Molluscum contagiosum
(Pox virus)

27
Q

Pink, excoriated pruritic lesion
Extensor surfaces
Clustered erythematous papules
Central punctum
Recurrent
No one else affected

A

Papular urticaria

Delayed hypersensitivity reaction to insect bite

28
Q

Comedomes

A

Non-inflammatory acne

Think precocious puberty If seen before 8 yo

29
Q

Acne
Whiteheads - follicles that are covered with epithelium

A

Closed comedomes
(Non-inflammatory)

30
Q

Acne
Blackheads - no epithelial covering

A

Open comedomes
(Non-inflammatory)

31
Q

Acne
Papules
Pustules
Nodules
Later in life

A

Inflammatory acne

32
Q

“Acne”
Angiofibromas
Pink, red, or brown
Tuberous sclerosis

A

Adenoma sebaceum

33
Q

Salicylic acid

A

Good for comedomal acne
Reduces formation of obstructive lesions

34
Q

Benzoyl peroxide

A

Bactericidal
Controlling inflammatory acne

35
Q

Best treatment for no inflammatory acne

A

Tretinoin
Halts the process that plugs hair follicles

36
Q

Adverse effect of isotretinoin (accutane)

A

Teratogenic
Dry lips, skin, eyes
Nosebleeds
Headaches
Elevated TG or liver enzymes

37
Q

Black dots
Broken hairs
Salt and pepper appearance
Kerions - tender boggy areas of induration
Occipital adenopathy

Treatment

A

Tinea capitis

PO griseofulvin x 6-12 weeks

38
Q

Exclamation point hair follicles
No inflammation
Nail pitting

Treatment

A

Alopecia Areata

Intralesional corticosteroids

39
Q

Sudden loss of large amounts of hair
Stressful events
Round patches, well defined, complete areas of hair loss

A

Telogen effluvian

40
Q

Irregular or incomplete patches of hair loss
Hair shafts of different lengths
Tight pulling

A

Traction Alopecia

41
Q

Pigmented lesions
Red-brown
Flush or turn into hives
Blisters
Darier sign
1st 6mo of life

A

Urticaria pigmentosa

Avoid narcotics, radiocontrast material, NSAIDs

42
Q

Scalp or diaper seborrheic rash
Chronic ear drainage or mastoiditis
Lytic lesions in skull or vertebra
Excessive urination

A

Langerhans cell histiocytosis

43
Q

Hypopigmented patches
Get worse with sun exposure
Fungal

Treatment

A

Pityriasis (Tinea) versicolor

Astringents
Topical antifungal
Avoid sun exposure

44
Q

Blaschko crops
Warty growths
Hyperpigmentation in marble cake pattern
Hypopigmentation

X-linked dominant
Lethal in males

A

Incontentia pigmenti

45
Q

Post inflammatory hypopigmentation

A

Pityriasis alba

46
Q

Autoimmune destruction of melanocytes
Complete depigmentation

Treatment

A

Vitiligo

Topical steroids
tacrolimus/pimecrolimus

47
Q

Port wine stain - venous leptomeningeal angiomatosis
Development delay
Seizure - Contralateral to stain
Hemiplegia
Vision problems
Glaucoma - ipsilateral to stain
Serpentine-like intracranial calcifications

A

Sturge Weber m

Ophtho referral if stain is alone branches of trigeminal nerve

48
Q

Chance an affected parent can pass on Neurofibromatosis

A

50%

Autosomal dominant

49
Q

Complications of neurofibromatosis

A

Pheochromocytoma
Renal artery stenosis
Hypertension

50
Q

Acoustic neuroma
Schwannoma

A

Neurofibromatosis type 2

Chromosome 22

51
Q

Clinical criteria for Tuberous sclerosis

A

> 3 ash leaf spots (hypopigmented skin)
Periventricular/cortical tuber (seizures)
sebaceous gland hyperplasia (adenoma)
Shagreen patch (cobblestone)
Sub/periungual fibroma
Cardiac rhabdomyo
Retinal nodular hamartomas
Renal angiomyolipoma

52
Q

Abnormal development of skin, teeth, nails, hair, sweat glands

Peg shaped or pointed teeth
Defective enamel
Dentures as early as 2 yo

A

Ectodermal dysplasia

53
Q

Recurrent blisters After minor trauma
Nail changes

A

Epidermolysis bullosa

54
Q

First line treatment for complicated infantile (strawberry) hemangiomas

A

Propranolol

55
Q

Rapidly enlarging hemangioma
Platelet sequestration
Thrombocytopenia
Bleeding

A

Kasabach-Merritt syndrome

56
Q

Amelanotic - pink or red
Bleeding, bump
Color uniformity
New
< 6mm

A

Melanoma

57
Q

Psoriasis
Strep infection

A

Guttate psoriasis

58
Q

Erythema of nose, mid-cheeks
Papulopustular component
Triggered by temperature change, sun, exercise, alcohol

A

Rosacea

Topical Metronidazole

Laughing Your Way (34 decks)

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