Basic Derm

Question 1

atopic dermatitis

Answer 1

inflammation, includes eczema, asthma, allergic rhinitis, either epidermis or immune disorder with L and T cells, itch that rashes, tx inflammation, hydration, avoid exacerbation

Question 2

impetigo

Answer 2

yellow/brown crust or bullae with clear to yellow fluid, honey-colored, tx with antimicrobial

Question 3

tinea capitis

Answer 3

african-american, fungus, alopecia, inflammation, breaking hairs, KOH or wood’s lamp, oral antifungal

Question 4

erythema infectiosum

Answer 4

benign self-limited infection, slapped cheek, mildly febrile, sunburn, self-limited

Question 5

roseola infantum

Answer 5

herpesvirus, around 1 year, high fever with faint pink, non-pruritic, blanching macular papular

Question 6

pityriasis rosea

Answer 6

papulosquamous disease in older children, herald patch - 1 pink lesions followed by christmas tree distrubutions, self-limited

Question 7

molluscum contagiosum

Answer 7

poxvirus, auto-incoluation, fleshy dome shaped papules with central umbilication (kertotic plug), cyrotherapy, curettage, cantharidin tx

Question 8

verrucae

Answer 8

HPV of skin of mucosa - plantar palmar, genital

Question 9

scabies

Answer 9

mites, direct contact, very itchy and worse at night, burrows and papules, permethrin tx, tx entire household

Question 10

pediculosis capitis

Answer 10

head lice, person-to-person, nits on 1 hair, adults, pruritic, permethrin

Question 11

pediculosis corporis

Answer 11

larger louse lives in clothing, wheals from fresh bits, bathe pat, heat wash clothes and permethrin if in body hairs

Question 12

pediculosis pubic

Answer 12

crab louse infection due to sexual contact, extreme pruritis and maybe pale blue macules, live louse of nits in pubic hair, tx with topic pediculocides, tx sexual contacts

Question 13

contact dermatitis

Answer 13

eczematous dermatitis due to exposure - irritant or allergic (delayed hypersensitivity rx - borders correspond with contact)

Question 14

seborrheic dermatitis

Answer 14

inflammatory disease in sebaceous glands, yellowish red, greasy, selenium sulfide shampoo

Question 15

psorias

Answer 15

early onset, genetic, plaques with silvery-white scales on extensor surfaces

Question 16

urticaria

Answer 16

hives, pink/red wheals

Question 17

erythema multiforme

Answer 17

target lesions

Question 18

erythema nodosum

Answer 18

nodules deep-seated in subcutaneous fat on lower extremeties, can feel better than see

Question 19

dermatophytoses

Answer 19

tinea- fungal, vesicular plaques of rings with scaling, maceration, alopecia and kerion, KOH prep

Question 20

candidal infections

Answer 20

beefy red eroted patches with satellitle lesions and edema, KOH prep - yeast

Question 21

pityriasis versicolor

Answer 21

well-demarcated scaling patches with variable pigmentation, yeast exacerbated by UV exposure

Question 22

bacterial - abscess/furuncle/carbuncle

Answer 22

pus in encloses space w/ S/S of infection (staph)

Question 23

erythasma

Answer 23

large, reddish brown macule that scales, bacteria, wood’s lamp dx

Question 24

cellulitis/erysipelas

Answer 24

bacterial - S/S of infection, lower leg and periorbit

Question 25

acne

Answer 25

excess sebum and follicular occlusion in sebaceous glands, comedones, oily skin

Question 26

rosacea

Answer 26

adults and more sever in males, flushing and blushing, telangiectases, sebaceous hyperplasias, no comedones, centro-facial erythema with inflammatory papules and pustules, metrodizaole gel or tetracycline

Question 27

hidradenitis suppurative

Answer 27

apocrine glands, double comedones -> cystic suppurative lesions, axillae, buttocks, inguinal region

Question 28

herpes simplex I

Answer 28

muccocutaneous orolabial

Question 29

herpes simplex II

Answer 29

genital

Question 30

herpes simplex

Answer 30

grouped vesicles on ertyhematous base that evolve to pustules and become eroded to ulcerations with crusts

Question 31

varicella zoster

Answer 31

shingles, incubation - 14 days, itching and pain, papules -> vesicles -> crust, dermatomal and does not cross midline

Question 32

seborrheic keratosis

Answer 32

mulberry-shaped brown papules and plaques that are “stuck-on”, waxy surface, horn cysts

Question 33

acrochordons

Answer 33

skin tags, fleshy to brown colored polyps of skin

Question 34

hemangioma

Answer 34

strawberry/cherry erythematous nodules and papules, head and neck

Question 35

lentigines

Answer 35

freckles, age spots, liver spots - in exposes areas, circumscribed brown macules

Question 36

melanocytic nevi

Answer 36

moles, small circumscribed acquired pigmented macules and papules, well-demarcated, symmetric and uniform in contour and color, tan to brown

Question 37

lipoma

Answer 37

benigns subcutaneous fat cell tumor, soft round, lobulated, movable, nontender, neck, trunk, extremetities

Question 38

keratoacanthoma

Answer 38

caucasian, males, rapidly growing dome shaped nodule with a central keratotic plug, surgical excision

Question 39

actinic keratosis

Answer 39

precancerous SCC, erythematous plaques with keratotic scale, crusted and ulcerated, biopsy and destory

Question 40

basal cell carcinoma

Answer 40

bleeding or scabbing sore that heals and recurs, sun exposure, translucent pearly papule/nodule with rolled border and ulcerated center, telangiectasia, Mohns excisional biopsy

Question 41

squamous cell carcinoma

Answer 41

older patients with sun exposure, slowly evolving ketatotic plaque or papule that is red and yellow/ tan, excisional biopsy

Question 42

malignant melanoma

Answer 42

deadly form of skin cancer, ABCDE - asymmetry, irregular borders, multiple colors, larger diameter, elavation/evolution

Question 43

kaposi sarcoma

Answer 43

malignant proliferaton of blood vessels, purple to red macules, papules, nodules, often first in oral cavity