Dermatology

Question 1

macule

Answer 1

• -small lesion <0.5cm
• -flat
  ex: freckle

Question 2

papule

Answer 2

• -small raised lesion <0.5cm

- -associated w/ measles & syphilis (solid)

Question 3

vesicle

Answer 3

• -a small raised <0.5cm
• -serous fluid
• -assoc w/ herpes & chicken pox

Question 4

pustule

Answer 4

• -small lesion <0.5cm
• -filled w/ puss
• -assoc w/ staph infectin d/t furuncle

Question 5

nodule

Answer 5

• -hard raised lesions

- -Large: >0.5cm

Question 6

Bulla

Answer 6

• -fluid filled lesion

- -large: >0.5cm in size associated w/ phemphigus

Question 7

Leukoplakia

Answer 7

• -a precancerous lesion seen on mucus membranes

- -assoc w/ tabacco use

Question 8

Acne Rosacea

Answer 8

• -face, nose, checks

- -exacerbated by sunlight, caffeine, alcohol

Question 9

Acne Vulgaris

Answer 9

• -condition of sebaceous gland

- -characterized by comedones and pus filled cysts

Question 10

Actinic Lentigo

Answer 10

• -sun /liver spot

- -MC benign sun-induced lesion

Question 11

Aphthous Stomatitis

Answer 11

–pitted erythematous lesion or ulcer in the mouth

Question 12

Carbuncle

Answer 12

• -we call it a carload of furuncles

- -same organism & lesion location as a furuncle

Question 13

Epidermal Cyst

Answer 13

–non-tender epidermal cyst that filled with sebum

Question 14

Erythema nodosum

Answer 14

• -skin rxn
• -assoc w/ strep
• -characterized by bilateral, red, tender nodules

Question 15

Erysipelas

Answer 15

• -organism is beta hemolytic strep
• -presents as a red fiery
• -advancing lesion on skin
• -patient will have fever & an elevated ASO titer

Question 16

fungal/ mycotic infection

–Dx via:

Answer 16

tine

–wood’s lamp

Question 17

tinea corpus

Answer 17

body

Question 18

tinea pedis

Answer 18

athlete’s foot

Question 19

tinea ungunum

Answer 19

nails

Question 20

tinea capitus

Answer 20

scalp

Question 21

tinea cruris

Answer 21

jock itch

Question 22

tinea barbae

Answer 22

beard

Question 23

tinea versicolor

Answer 23

• -multiple hypo pigmented

- -asymp lesions vary in color from white to brown

Question 24

furuncle

Answer 24

a staph infected hair follicle that presents as a painful nodule

Question 25

herpes simplex

Answer 25

--HSV infection characterized by small vesicles "cold sores" located on the mouth or in the genital region --can be reactivated during delivery (Tzank test: herpes skin test)

Question 26

herpes zoster AKA shingles

Answer 26

- -found in the dorsal root ganglion | - -vesicular lesions that follow the course of a dermatome

Question 27

Ichthyosis AKA fish skin

Answer 27

--increased keratinization = non-inflammatory skin lesion

Question 28

impetigo

Answer 28

- -organism maybe staph or strep | - -crusty lesion @ corners of the mouth on hands in kids

Question 29

keloid

Answer 29

--dense, sharply elevated , progressive enlarging scar w/ collagenous hyperplasia seen in african-americans, latinos, and asians

Question 30

Lichenification

Answer 30

--rough & thick skin d/t constant scratching of a pruritic; chronic dermatitis

Question 31

Lichen Planus

Answer 31

- -inflammatory pruritic disease | - -characterized by papule w/ shiny, fine inconspicuous SCALES and whitish lines or puncta

Question 32

Nummular Eczuma

Answer 32

- -discrete coin shaped | - -ring or annular lesion that coalesce to form patches which ooze and crust over

Question 33

paronychia

Answer 33

- -tender bacterial or fungal hand/foot infection | - -where the nail & skin meet at the side

Question 34

pediculosis

Answer 34

``` --caused by lice Lesion sites: --pubic: pubis --body: corporis --head: capitus ```

Question 35

pemphigus vulgaris

Answer 35

--potentially life threatening condition exhibiting bulla (blisters) on the skin

Question 36

pityriasis rosea

Answer 36

- -caused by a virus | - -exhibits a characteristic oval/round lesion called a HERALD PATCH

Question 37

Psoriasis

Answer 37

silver scales on extensor surfaces of knees & elbows

Question 38

scabies

Answer 38

transmissible (whirlpool) infection caused by mites & characterized by group vesicles & superficial lines furrow in the groin