Foot stomps

Question 1

STUCCO KERATOSIS - AKA barnacles have a complication potential for?

Answer 1

2/2 inf (pt picking)

Question 2

Skin tags - acrochordon are find in what areas?

Answer 2

Areas of rubbing

-eyelids, neck, groin, axilla etc

Question 3

Anterior Lower legs – MC (shaving?) ass/w what?

Answer 3

DERMATOFIBROMAS

Question 4

Which lesion retracts/dimples when squeezed

Answer 4

DERMATOFIBROMAS

Question 5

Seb HP w/ teleangiectasia req?

Answer 5

Dermoscopy to R/O BCC
BCC - hapharzard BVs
SH - BVs in valleys and sml yellow lobules

Question 6

Sweat duct tumor?

Answer 6

SYRINGOMA

Question 7

Flesh to pinkish-white
Soft, pedunculated, 2-20cm
Button-hole sign = invaginated through skin with pressure

Answer 7

NEUROFIBROMA

Question 8

Look for axillary freckling & cafe-au-lait spots

Answer 8

(Von Recklinghausen) NF-1 (=>2 lesions consider)

Question 9

confined to wound site, starts early, in time regresses

Answer 9

Hypertrophic Scar (HS)

Question 10

extends beyond borders of wound site, starts later, usually constant & stable (rarely subsides)

Answer 10

Keloid (MC shoulder/chest)

Question 11

Rapid growing epithelial tumor?

Answer 11

KERATOCANTHOMA

Question 12

KERATOCANTHOMA mgmt?

Answer 12

Excise for cosmetic, fx, dx - (DONT just debride)
Send to path (r/o SCC)
Recurrent, multiple – use IL 5-FU or methotrexate

Question 13

If a cutaneous horn present R/O?

Answer 13

SCC

Question 14

Light that burns?

Answer 14

UVB

Question 15

TOC for few/individual lesions of Actinic keratosis?

Answer 15

Cryo

Question 16

Erythroplasia of Queyrat

Answer 16

SCC in situ of Glans, labia, oral mucosa

Question 17

Cutaneous horn pathophys?

Answer 17

Hypertrophic lesion with ulcer or hyperkeratosis

Question 18

Pink/skin colored, “pearly”
Firm, dome shaped papule
Evolves, becomes telangiectatic, ulcerates and has rolled borders

Answer 18

Rodent ulcer of Nodular BCC

Question 19

Which has strongest relation to UV light SCC vs BCC?

Answer 19

SCC

Question 20

Exam Nevus w/ what acronym?

Answer 20

Asymmetry
Border irregularity
Color variation
Diameter (size/enlargement)
Evolving (change in size, shape, color or a new lesion)

Question 21

MELANOCYTIC NEVUS AKA? is what patho?

Answer 21

Moles - Benign tumors composed of nevus cells derived from melanocytes

Question 22

Jx MELANOCYTIC NEVUS is found where?

Answer 22

epidermis and epidermis-dermal junction

Question 23

> 100 nevi, req what mgmt?

Answer 23

follow at 6-12 month intervals

Question 24

Dotted w/ darker brown to black papular spots in oval/segmental shapes

Answer 24

NEVUS SPILUS

Question 25

brown macule, a patch of hair or both (no nevus cells)

Answer 25

Beckers nevus

Question 26

Compound or dermal nevus that develops a white border?

Answer 26

HALO NEVUS

Question 27

HALO NEVUS is ass/w?

Answer 27

Herald vitiligo onset

Question 28

Wood lamps helps dx this condition

Answer 28

HALO NEVUS - look for vitiligo (Bright white or blue-white)

Question 29

Tyndall effect

Answer 29

blue-black due to melanin deeper in skin (Mongolian spot)

Question 30

Blue-black pig in 1st/2nd branch of trigeminal nerve | Affects the sclera, conjunctiva and skin around eye

Answer 30

Nevus of ota (monitor for glaumaca)

Question 31

At least 3 of the following: - Diameter > 5mm - Ill-defined borders - Irregular margin - Varying shades in lesion - Presence of popular + macular components

Answer 31

DYSPLASTIC (ATYPICAL) NEVUS

Question 32

4 clinical types of MM?

Answer 32

Superficial Spreading (70%) Nodular (15-20%) Lentigo maligna (10-15%) Acral-lentiginous (<10%)

Question 33

MM - Hallmark is haphazard combo of many colors (more so with time) indicates what type?

Answer 33

Superfical

Question 34

MM - Completely vertical growth phase (no radial growth) indicates what type of MM?

Answer 34

Nodular MM

Question 35

Clark level - MM

Answer 35

``` Level I - restricted to epidermis – 98% Level II - papillary dermis Level III - fill papillary dermis Level IV - reticular dermis Level V - invade subcutis ```

Question 36

UVA

Answer 36

(320-400nm) constant - day/year penetrate deep dermis/sq photoaging/allergic

Question 37

UVB

Answer 37

(290-320nm) Most harmful penetrates deep High energy to S. corneum/superficial layers

Question 38

SPF ratio

Answer 38

least amount of UVB energy req’d to produce a min. erythema reaction (minimum erythema dose, MED) through sunscreen, compared to The amt of energy req’d to produce the same erythema w/out any sunscreen application

Question 39

Sunscreen age cut off?

Answer 39

<6mo

Question 40

Photoaging - texture changes

Answer 40

Solar Elastosis: Thickened, wrinkled, yellowish skin – forehead/back of neck -Atrophy: Thinned skin, prominent blood vessels, easy bruising - Wrinkles: Deep, do not disappear by stretching the skin - (Cutis Rhomboidalis Nuchae- sun-induced wrinkling on back of neck that forms a rhomboidal pattern)

Question 41

Poikiloderma of Civatte is

Answer 41

PIGEMENTATION CHANGES due to photoaging | -red/brown pigmentation w/ telangs, atrophy, prominent hair follices of chest and neck

Question 42

Favre Racouchot

Answer 42

Comedones and cysts around the eyes due to papular changes of photoaging

Question 43

Photoaging TXT?

Answer 43

Retinoids

Question 44

Dermatitis, Diarrhea, Dementia - 3 D's?

Answer 44

PELLAGRA - niacin deficit

Question 45

POLYMORPHOUS LIGHT ERUPTION txt?

Answer 45

Corticosteroids - Topical group II-V topical for pruritis - Short course oral steroids if widespread pruritis

Question 46

Hereditary polymorphic light eruption - of native american indians w/ intense itchy plaq/paps/nods?

Answer 46

ACTINIC PRURIGO - same txt as PMLE

Question 47

Involves face and neck of genetically predisposed women (DPP > LPP) Develops slowly w/out signs of inflammation

Answer 47

MELASMA - Centrofacial MC pattern - malar/mandiubular

Question 48

TXT of MELASMA?

Answer 48

Tri-Luma Cream - 8w Combo of - Hydroquinone 4% - Tretinoin 0.05% - Fluocinolone 0.01%

Question 49

Ephelides (freckles): Freckles darken after exposure (SL does not)

Answer 49

SOLAR LENTIGO