✅Patho-Skin

Question 1

Verrucae morphologu

Answer 1

Pappilomatous epidermal hyperplasia
Koilocytosis
Usually found on pressure areas

Question 2

Molluscum bodies are large ellipsoid homogenous inclusions found in the

Answer 2

Stratum corneum and granulosum

Question 3

Morphology of molluscum contagiosum lesions

Answer 3

Central umbilication

Question 4

Etiology of impetigo contagiosa vs bullosa

Answer 4

Contagiosa GABHS

Bullosa s aureus

Question 5

Morphology of impetigo

Answer 5

Subcorneal pustule

Question 6

Urticaria and grouped vesicles found in those with celiac disease

Answer 6

Dermatitis herpetiformis

Question 7

Morphology in dermatitis herpetiformis

Answer 7

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

Question 8

Loss of intercellular connections between keratinocytes

Answer 8

Acantholysis

Question 9

Retention of nuclei in stratum corneum

Answer 9

Parakeratosis

Question 10

Epidermal intercellular edema

Answer 10

Spongiosis

Question 11

Maturation sequence of a melanocytic nevus

Answer 11

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

Question 12

Morphology of dysplastic nevus

Answer 12

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

Question 13

Tumor progression sequence from dysplastic nevus to melanoma

Answer 13

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

Question 14

Most rapidly increasing cancer worldwide

Answer 14

Melanoma

Question 15

2 growth phases of melanoma

Answer 15

Radial

Vertical

Question 16

Most common type of melanoma

Answer 16

Superficial spreading melanoma

Question 17

Melanoma that occurs on sun exposed parts of the face

Answer 17

Lentigo maligna melanoma

Question 18

Melanoma that directly invades the dermis

Answer 18

Nodular melanoma

Question 19

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

Answer 19

Acral lentiginous melanoma

Question 20

Tumor depth staging in melanoma

Answer 20

Breslow thickness

Question 21

Increased number of seb ker in someone with GAstric adenoca

Answer 21

Leser trelat sign

Question 22

Morphology of seb ker

Answer 22

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

Question 23

Morphology of acanthosis nigricans

Answer 23

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

Question 24

Cutaneous horn is found in

Answer 24

Actinic keratoses

Question 25

Most common invasive cancer in humans

Answer 25

Basal cell CA

Question 26

Morphology of actinic keratoses

Answer 26

Cytologic atypia Dyskeratosis Elastoses Parakeratoses

Question 27

Morphology basal cell ca

Answer 27

Palisading pattern | Noduar and multifocal growth

Question 28

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

Answer 28

SJS

Question 29

Targetoid lesions

Answer 29

Erythema multifome

Question 30

Psoriasis induced by local trauma

Answer 30

Koebnee phenomenon

Question 31

Pustules and abscess in psoriasis

Answer 31

Munro microabscesses - netrophils within the parakeratotoc stratum corneum

Question 32

Neutrophils in spongiotic foci of the superficial epidermis in psoriasis

Answer 32

Spongiform pustules of kagoj

Question 33

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

Answer 33

Wickhan striae

Question 34

Anucleate necrotic basal cells in lichen planus

Answer 34

Civatte or colloid bodies

Question 35

Morphology of lichen planus

Answer 35

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

Question 36

Positive nikolsky sign is seen in Negative?

Answer 36

Pemphigus Bullous pemohigoid

Question 37

Location of blister in Pemphigus vulgaris Pemohigus foliaceus Bullous pemphigoid

Answer 37

Suprabasal Subcorneal Subepidermal

Question 38

Autoantibodies to _____are found in buklous pemphigoid

Answer 38

Hemidesmosomes

Question 39

Verrucae etiology

Answer 39

HPV