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Flashcards in Derm Deck (51):
1

1st Degree Burns

Red - Epidermis

2

2nd Degree Burns

Blisters - Hypodermis

3

3rd Degree Burns

Painless Neuropathy - Dermis

4

Diseases with palm and sole rashes

TSSRMSFCocksackie A (hand-foot-mouth disease)KawasakiScarlet FeverStaph - Scalded Skin SyndromeSyphilis

5

Erythema Multiforme

Target lesions d/t HSV, Phenytoin, Barbituates, Sulfas

6

Stevens Johnson Syndrome

Erythema Multiforme Major(Mouth, Eye, Vagina - >1 mucosal surface)

7

Toxic Epidermal Necrolysis

Stevens Johnson with skin sloughing

8

Pemphigus Vulgaris

Ab against desmosomesCircular immunofluorescence In epidermisOral lesionsNikolsky sign

9

Bullous Pemphigoid

Ab against hemidesmosomesLinear immunofluorescenceSubepidermal"Floating" keratinocytesEosinophils

10

Eczema

Dry, flaky dermatitis in flexor creases

11

Nummular Dermatitis

Circular eczema

12

Sponglotic Eczema

Weeping eczema - scratching causes oozing

13

Lichenification

Scratching --> thick, leathery skin

14

Pityriasis Rosea

Herald patch that follows skin lines"Christmas tree pattern"TX = sunlight

15

Lichen Planus

Polygonal pruritic purple papules

16

Scabies

Linear excoriation "burrows" in webs of fingers, toes, belt line (sarcoptes feces)

17

UV-A causes

Aging

18

UV-B causes

Burns and cancer

19

ABCD prognosis of skin cancer

Asymmetric irregular BorderColor differences>4mm Diameter

20

Clark Level

Invasion of melanoma

21

Breslow's Classification

Depth of melanoma

22

Location of Malignant Melanomas

Men = backFemales = leg

23

Precursor of Malignant Melanoma

Hutchison's freckle

24

Types of Malignant Melanoma

Superficial spreading - MC, flat, brownNodular - worst prognosis, black, dome shapedLentigo malignant melanoma - elderly, fair skinAcral lentigous - AIDS, dark skin

25

Location of Squamous Cell Carcinoma

Flat, flaky stuff on lower faceKeratin pearls

26

Precursor of Squamous Cell Carcinoma

Actinic keratosis (red scaly plaque)

27

Types of Squamous Cell Carcinoma

Bowen's disease (SCC in situ on uncircumsized penis)Verrucous carcinoma (wart on foot)

28

Location of Basal Cell Carcinoma

Pearly papules on upper facePalisading nuclei Good prognosis

29

Types of Basal Cell Carcinoma

Nodular (waxy nodule with central necrosis)Superficial (red scaly plaques - like eczema)Pigmented (looks like melanoma)Sclerosing (yellow waxy plaques)

30

Acne Rosacea

Blush all the timeWorse with stress and alcohol

31

Brown Recluse Spider bite

Painful black necrotic lesion

32

Cellulitis

Warm, red leg

33

Cutaneous Anthrax

Painless black necrotic lesion

34

Decubitus Ulcer

Bedsore

35

DVT

Blood clot in veinsAssociated with hypercoagulable state

36

Erysipelas

Shiny redRaisedDoesn't blanchUsually on faceAssociated with S. pyogenes

37

Ichthyosis

Gradual lizard skin

38

Miliaria

Heat rashBurning, itching papules on trunk

39

Molluscum Contagiosum

Fleshy papules with central dimplePox virus (STD)

40

Psoriasis

Silver scales on extensorsNail pittingDifferentiated too fastWorse with stressAuspitz sign (remove scale - pinpoint bleeding)Koebner's phenomenon - lesions at sites of skin trauma

41

Pyogenic Granuloma

Vascular nodules at site of previous injury

42

Seborrheic Dermatitis

Dandruff in eyebrows, nose, behind ears

43

Seborrheic Keratosis

Rubbery warts with aging Greasy

44

Thrombophlebitis

Vein inflammation with thrombus

45

Vitiligo

White patchesAnti-melanocyte Ab

46

Xeroderma Pigmentosa

Bad DNA repair

47

Erythema Chromica Migrans

Lyme disease (solitary lesion that spreads)

48

Erythema Infectiosum

5th diseaseSlapped cheeksd/t Parvovirus B19

49

Erythema Marginatum

Rheumatic fever (red margins)

50

Erythema Nodosum

Fat inflammation (painful red nodules on legs)Sarcoidosis

51

Erythema Toxicum

Newborn benign rashLooks like flea bites with eosinophils