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Flashcards in ✅Patho-Skin Deck (39):
1

Verrucae morphologu

Pappilomatous epidermal hyperplasia
Koilocytosis
Usually found on pressure areas

2

Molluscum bodies are large ellipsoid homogenous inclusions found in the

Stratum corneum and granulosum

3

Morphology of molluscum contagiosum lesions

Central umbilication

4

Etiology of impetigo contagiosa vs bullosa

Contagiosa GABHS
Bullosa s aureus

5

Morphology of impetigo

Subcorneal pustule

6

Urticaria and grouped vesicles found in those with celiac disease

Dermatitis herpetiformis

7

Morphology in dermatitis herpetiformis

Microabscesses and granular deposits of IgA at the tip of dermal papillae
Subepidermal blister

8

Loss of intercellular connections between keratinocytes

Acantholysis

9

Retention of nuclei in stratum corneum

Parakeratosis

10

Epidermal intercellular edema

Spongiosis

11

Maturation sequence of a melanocytic nevus

Normal skin
Junctional nevus
Compiund nevus
Dermal nevus
Dermal nevus with neurotization

12

Morphology of dysplastic nevus

Lentiginous hyperplasia - replace the normal basal layer at the dermoepidermoid junction

13

Tumor progression sequence from dysplastic nevus to melanoma

Lentiginous melanocytic hyperplasia
Lentiginous junctional nevus
Lentiginoua compound nevus
Early melanoma
Advanced melanoma

14

Most rapidly increasing cancer worldwide

Melanoma

15

2 growth phases of melanoma

Radial
Vertical

16

Most common type of melanoma

Superficial spreading melanoma

17

Melanoma that occurs on sun exposed parts of the face

Lentigo maligna melanoma

18

Melanoma that directly invades the dermis

Nodular melanoma

19

Melanoma located on the palm sole or beneath the fingernails and common in blacks

Acral lentiginous melanoma

20

Tumor depth staging in melanoma

Breslow thickness

21

Increased number of seb ker in someone with GAstric adenoca

Leser trelat sign

22

Morphology of seb ker

Basaloid cells with exuberant keratin production
Small keratin filled cysts (horn cysts)
Invaginations of keratin (invagination cysts)

23

Morphology of acanthosis nigricans

Undulation of dermal papillae
Hyperkeratosis and basal cell hyperpigmentation
No melanocytic hyperplasia

24

Cutaneous horn is found in

Actinic keratoses

25

Most common invasive cancer in humans

Basal cell CA

26

Morphology of actinic keratoses

Cytologic atypia
Dyskeratosis
Elastoses
Parakeratoses

27

Morphology basal cell ca

Palisading pattern
Noduar and multifocal growth

28

Erythema multiforme where erosions and crusts involve the lips and oral mucosa

SJS

29

Targetoid lesions

Erythema multifome

30

Psoriasis induced by local trauma

Koebnee phenomenon

31

Pustules and abscess in psoriasis

Munro microabscesses - netrophils within the parakeratotoc stratum corneum

32

Neutrophils in spongiotic foci of the superficial epidermis in psoriasis

Spongiform pustules of kagoj

33

Itchy violaceous flat topped papules and plaques highlighted by white dots or lines in lichen planus

Wickhan striae

34

Anucleate necrotic basal cells in lichen planus

Civatte or colloid bodies

35

Morphology of lichen planus

Interface dermatitis
Sawtoothing of DE junction
Civatte or colloid bodies
Lichen planopilaris

36

Positive nikolsky sign is seen in

Negative?

Pemphigus

Bullous pemohigoid

37

Location of blister in
Pemphigus vulgaris
Pemohigus foliaceus
Bullous pemphigoid

Suprabasal
Subcorneal
Subepidermal

38

Autoantibodies to _____are found in buklous pemphigoid

Hemidesmosomes

39

Verrucae etiology

HPV