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PPClues > Dermatology > Flashcards

Dermatology Flashcards

1
Q

What are 1st degree burns?

A

Red (epidermis)

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2
Q

What are 2nd degree burns?

A

Blisters (hypodermis)

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3
Q

What are 3rd degree burns?

A

Painless neuropathy (dermis)

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4
Q

What disease have palm and sole rash?

A 
"TRiCKSSS" 
Toxic Shock Syndrome
Rocky mountain spotted fever
Coxsackie A: Hand-Foot-Mouth disease
Kawasaki
Scarlet fever
Staph Scaled Skin
Syphilis
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5
Q

What is Erythema Multiforme?

A

Target lesions (viral, drugs)

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6
Q

What is Stevens Johnson syndrome?

A

Erythema Multiforme Major (mouth, eye, vagina)

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7
Q

What is Toxic Epidermal Necrolysis?

A

Stevens Johnson w/skin sloughing

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8
Q

What is Pemphigus Vulgaris?

A

Ab against desmosones=> circular immunofluoresence, in epidermis, oral lesions, + Nikolsky sign

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9
Q

What is Bullous Pemphigoid?

A

Ab against hemidesmosomes => linear immunofluorescence, subepidermal, “floating” keratinocyytes, eosinophils

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10
Q

What is Eczema?

A

Dry flaky dermatitis in flexor creases “itch that rashes”

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11
Q

What is Nummular dermatitis?

A

Circular eczema

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12
Q

What is Spongiotic eczema?

A

Weeping eczema: scratching causes oozing “like a sponge”

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13
Q

What is Lichenification?

A

Scratching => thick leathery skin

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14
Q

What is Pityriasis Rosea?

A

Herald patch that follows skin lines (Tx: sunlight) “C mass tree pattern”

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15
Q

What is Lichen Planus?

A

Polygonal pruritic purple papules

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16
Q

What is Scabies?

A

Linear excoriation “burrows” in webs of fingers, toes, belt line (Sarcoptes feces)

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17
Q

What does UV-A cause?

A

Aging

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18
Q

What does UV-B cause?

A

Burns and cancer

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19
Q

What are the ABCD’s that indicate worse prognosis of skin cancer?

A

Assmetric
Irregular Borders
Color differences
> 4mm Diameter

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20
Q

What does the Clark level tell you?

A

Invasion of melanoma

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21
Q

What does Breslow’s classification tell you?

A

Depth of melanoma

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22
Q

Where are Malignant Melanomas usually found?

A

Males: back
Females: leg

23
Q

What is the precursor od a Malgnant Melanoma?

A

Hutchison’s freckle

24
Q

What are the types of Malignant Melanomas?

A

Superficial spreading: most common, flat brown
Nodular: worst prognosis, black, dome shape
Lentigo maligna melanoma: elderly pts, fair-skin
Acral lentigous: AIDS pts, dark skin

25
Q

Where are Squamous cell carcnomas usually found?

A

Flat flaky stuff on lower face, keratin pearls

26
Q

What is the precursor of Squamous Cell carcinoma?

A

Actinic keratosis (red scaly plaque)

27
Q

What are the types of Squamous Cell carcinoma?

A

Bowen’s disease: SCC in situ on uncircumcised penis dorsum

Verrucous carcinoma: wart on foot

28
Q

Where are Basal Cell carcinomas usually found?

A

Pearly papules on upper face, palisading nuclei, good prognosis

29
Q

What are the types of Basal Cell carcinomas?

A

Nodular: waxy nodule w/ central necrosis
Superficial: red scaly plaques,mlike eczema
Pigmented: looks like melanoma
Sclerosing: yellow waxy plaques

30
Q

What is Acne Rosacea?

A

Blush all the time, worse w/ stress/ alcohol

31
Q

What is a Brown Recluse Spider Bite?

A

Painful black necrotic lesion

32
Q

What is Cellulitis?

A

Warm red leg

33
Q

What is a Cutaneous Anthrax?

A

Painless black necrotic lesion

34
Q

What is a Decubitus Ulcer?

A

Bedsore

35
Q

What is a DVT?

A

Blood clot in veins, associated w/ hypercoagulable state

36
Q

What is Erysipelas?

A

Shiny red, raised, does not blanch, usually on face, associated w/Strep pyogenes

37
Q

What is Icthyosis?

A

Gradual lizard skin

38
Q

What is Miliaria?

A

“Heat rash”: burning, itching papules on trunk

39
Q

What is Molluscum Contagiosum?

A

Fleshy papules w/ central dimple, pox virus (STD)

40
Q

What is Psoriasis?

A

Silver scales on extensors, nail pitting, differentiated too fast, worse w/ stress

  • Auspitz sign: remove scale => pinpoint bleeding
  • Koebner’s phenomenon: lesions at sites of skin trauma
41
Q

What is a pyogenic granuloma?

A

Vascular nodule at site of previous injury

42
Q

What is a Seborrheic Dermatitis?

A

Dandruff in eyebrows, nose, behind ears

43
Q

What is Seborrheic Keratosis?

A

Rubbery warts with aging, greasy

44
Q

What is Thrombophlebitis?

A

Vein inflammation w/ thrombus

45
Q

What is Vitiligo?

A

White patches, anti melanocyte Ab

46
Q

What is Xeroderma Pigmentosa?

A

Bad DNA repair

47
Q

What is Erythema Chronic Migrans?

A

Lyme disease (solitary lesion that spreads)

48
Q

Whatbis Erythema Infectiosum?

A

Fifth disease “slaped cheeks” due to Parvovirus B19

49
Q

What is Erythema Marginatum?

A

Rheumatic fever (red margins)

50
Q

What is Erythema Multiforme?

A

Target lesions due to HSV, Phenytoin, Barbs, Sulfas

51
Q

What is Erythema Multiforme Major?

A

Stevens Johnson syndrome (>1 mucosal surface)

52
Q

What is Erythema Nodosum?

A

Fat inflammation (painful red nodules on legs), sarcoidosis

53
Q

What is Erythema Toxicum?

A

Newborn benign rash (looks like flea bites w/ eosinophils)

PPClues (24 decks)

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