Dermatology

Question 1

Why should actinic keratosis be treated?

Answer 1

It may progress to squamous cell carcinoma

Question 2

What is the first line treatment for rosacea?

Answer 2

Metronidazole (tetracycline is a close second)

Question 3

Where are 90% of basal cell lesions found on the body?

Answer 3

Head and neck

Question 4

Purple, pruritic, polygonal papule on PE should make you think of what diagnosis?

Answer 4

Lichen planus (4 P’s!)

Question 5

What are the ABC’s of melanoma?

Answer 5

Asymmetry, border, color, diameter/depth, evolving

Question 6

A positive auspitz sign should make you think of what diagnosis?

Answer 6

Psoriasis

Question 7

What is the key indicator for the prognosis of melanoma?

Answer 7

Thickness of the lesion

Question 8

What is the treatment for melanoma?

Answer 8

Wide local excision

Question 9

A waxy, stuck on appearance should make you think of what diagnosis?

Answer 9

Seborrheic keratosis

Question 10

A 5 y.o. presents in January with a red itchy rash behind his knees and on the flexor surfaces of the elbow, what diagnosis should you be thinking of?

Answer 10

Atopic dermatitis

Question 11

The term satellite lesion should make you think of what diagnosis?

Answer 11

Candida diaper rash

Question 12

Coin shaped plaques should make you think of what diagnosis?

Answer 12

Nummular eczema

Question 13

A patient presents with yellow, flaky skin in the nasolabial folds and in her heai (? typo?). What diagnosis should you be thinking of?

Answer 13

Seborrheic dermatitis

Question 14

How do you treat stasis dermatitis?

Answer 14

Compression stockings

Question 15

Tapioca blisters should make you think of what diagnosis?

Answer 15

Dishydrosis (usually on hands and feet)

Question 16

How do you treat dishydrosis?

Answer 16

Topical steroids

Question 17

Giant cells on a Tzanck smear should make you think of what diagnosis?

Answer 17

HSV

Question 18

How do you treat lichen simplex chronicus

Answer 18

Stop itch scratch cycle

Question 19

A herald patch should make you think of what diagnosis?

Answer 19

Pityriasis rosea

Question 20

How do you treat pityriasis rosea?

Answer 20

Reassurance that it will clear up on its own

Question 21

A patient with a history of herpes presents with a target lesion. What diagnosis should you be thinking of?

Answer 21

Erythema multiforme

Question 22

Rhinophyma (prominent pores and a fibrous thickening of the nose) should make you think of what diagnosis?

Answer 22

Acne rosacea

Question 23

Silvery scales should make you think of what diagnosis?

Answer 23

Psoriasis

Question 24

Tear drop lesion after a course of strep throat should make you think of what diagnosis?

Answer 24

Guttate psoriasis

Question 25

Are lesions from psoriasis typically found on flexor or extensor surfaces?

Answer 25

Extensor

Question 26

What is the first line treatment for tinea corporis?

Answer 26

Topical azoles

Question 27

What are the two most common organisms responsible for cellulitis?

Answer 27

Strep and staph

Question 28

Pitting nails is associated with what dermatologic disorder?

Answer 28

Psoriasis

Question 29

Nummular eczema is most like what other dermatological disorder?

Answer 29

Atopic dermatitis

Question 30

Honey colored crusts should make you think of what diagnosis?

Answer 30

Impetigo

Question 31

What two herpes viruses are most responsible for condyloma accuminata?

Answer 31

HSV 6 and 11

Question 32

A double comedone is indicative of what diagnosis?

Answer 32

Hidradenitis suppurativa

Question 33

What is the best treatment for molluscum contagiosum?

Answer 33

It is self limiting, but can be removed if patient really wants it

Question 34

What is the treatment for seborrheic keratosis?

Answer 34

It is benign so there is no need to treat it, cryotherapy reserved for cosmetic purposes

Question 35

Hyperpigmented velvety plaques should make you think of what diagnosis?

Answer 35

Acanthosis nigricans

Question 36

Melasma is most often found in what patient population?

Answer 36

Women of child bearing age

Question 37

Extremely pruritic lesions with burros in runs should make you think of what diagnosis?

Answer 37

Scabies

Question 38

What is the first step in treating atopic dermatitis?

Answer 38

Behavioral modifications: Reduce bathing, use soap only on face and genitals, use natural breathable fabrics

Question 39

What is the treatment for a bad brown recluse spider bide

Answer 39

Debridement, the venom causes tissue necrosis

Question 40

Salmon colored scales should make you think of what diagnosis?

Answer 40

Psoriasis

Question 41

Depigmented patches of skin should make you think of what diagnosis?

Answer 41

Vitiligo

Question 42

Spaghetti and meatballs on KOH prep should make you think of what diagnosis?

Answer 42

Tinea versicolor

Question 43

What dermatologic finding is associated with insulin sensitivity?

Answer 43

Acanthosis nigricans

Question 44

A slowly growing nodule with a central depression and a pearly border should make you think of what diagnosis?

Answer 44

Basal cell carcinoma

Question 45

What dermatologic finding is associated with asthma?

Answer 45

Atopic dermatitis

Question 46

A christmas tree pattern should make you think of what diagnosis?

Answer 46

Pityriasis rosea

Question 47

Oval patches of hair loss should make you think of what diagnosis?

Answer 47

Alopecia areata

Question 48

What is the DOC for genital warts?

Answer 48

Imiquimod

Question 49

Pearly dome shaped lesion with a central umbilication should make you think of what diagnosis?

Answer 49

Mulluscum contagiosum

Question 50

What is the best lab test for scabies?

Answer 50

Microscopic examination under oil immersion