Dermatology

Question 1

Smooth, flat or raised lesion, velvety “stuck on” look.

Found: face, shoulders, chest and back.

Answer 1

Seborrheic Keratosis

Question 2

What reaction is a delayed (cell mediated), morbiliform rash like Erythema Multiforme?

Answer 2

Type IV

Question 3

Rough, dry, scaly, erythematous PAPULES/PLAQUES on sun exposed areas.

Answer 3

Actinic Keratosis

Question 4

Tx for Actinic Keratosis

Answer 4

1st- Observe
Then- cryosurgery, dermabrasion.
Medical- Top. 5-Fluorouracil, Imiquimod

Question 5

VERY itchy PAPULES that grow, tense blisters/bullae. DO NOT extend with pressure.

Answer 5

Bullous Pemphigold

Question 6

Bullous Pemphigold Tx

Answer 6

Steroids and immunosuppressants

Question 7

PAINFUL flaccid skin bullae that rupture and bleed easily. (+) oral mucosa and ulcers
(+) Nik

Answer 7

Pemphigus Vulgaris

Question 8

Pemphigus Vulgaris Tx

Answer 8

1st: ADMIT, Systemic HIGH steroid
Then- Methotrexate.
Wound care. 2ry infxn- Abx.

Question 9

Non-healing red, scaly papule/plaque that does NOT itch. Ulcerates.
MC sun exposed areas.

Answer 9

Squamous Cell Carcinoma

Question 10

Paronychia Tx

Answer 10

1st- I and D

If cellulitis present- Abx, warm soaks.

Question 11

What would we see on a Varicella Zoster (Shingles) Tzanch Smear?

Answer 11

Multinucleated GIANT cells

Question 12

Frostbite Tx

Answer 12

Rapid rewarming in warm H2O

Question 13

Erythema, papules, pustules on newborn (2-5 days old).

Answer 13

Erythema Toxicum Neonatorum

Question 14

Psoriasis Tx

Answer 14

1st- Top. steroids

Question 15

Which tinea infections require systemic treatment?

Answer 15

Capitis and Unguium (Onychomycosis)

Question 16

What is Tinea Corporis?

Answer 16

Ringworm

Question 17

Tinea Cruris

Answer 17

Jock itch

Question 18

Tinea Unguium (Onychomycosis) Tx

Answer 18

1st- Terbinafine or Griseofulvin

Terbinafine: monitor liver before and during.

Question 19

Genital Herpes Simplex Dx

Answer 19

1st- clinical

GOLD- tissue (viral) culture with PCR

Question 20

Melanoma Dx

Answer 20

Full-thick wide (elliptical) EXCISIONAL bx + lymph node

Question 21

Community-Acquired MRSA Tx

Answer 21

Doxy (Tetracyline)

Question 22

Fever of at least 5 days + 4 of the following:

1) peripheral extremity changes (erythema of palms and soles or desquamation of digits)
2) polymorphous rash
3) oropharyngeal changes (erythema, fissures, strawberry tongue)
4) Bilateral conjunctival injection
5) Cervical adenopathy

Answer 22

Kawasaki Disease Dx

Question 23

Kawasaki Disease Tx

Answer 23

IVIG + ASA

Question 24

Scabies Tx

Answer 24

Permethrin 5% Cream.

Itching can last up to 2 wks after Tx.

Question 25

What skin condition is associated with Myasthenia Gravis?

Answer 25

Pemphigus Vulgaris

Question 26

What is the Tx for Vitiligo with <20% body affected?

Answer 26

Top. Tacrolimus 0.1%;

Question 27

What is the Tx for Vitiligo with 20-25% body affected?

Answer 27

Narrowband UVB or PO PUVA therapy

Question 28

Molluscum Contagiosum cause

Answer 28

PoxVIRUS

Question 29

Tx for Molluscum Contagiosum

Answer 29

-Observe, reassure. ~Imiquimod -Severe: Top. Retinoids

Question 30

When do we give Antivenin for a Black Widow Spider bite?

Answer 30

Only if severe sx or unresponsive to opioids/benzos (1st line).

Question 31

What is the MC viral infection associated with Erythema Multiforme?

Answer 31

Herpes Simplex Virus (HSV)

Question 32

What is the MC bacterial infection associated with Erythema Multiforme?

Answer 32

Mycoplasma

Question 33

Blistering at the tip of the nose associated with Herpes Zoster infection. Usually with a post ophthalmic involvement.

Answer 33

Hutchinson’s Sign

Question 34

What is the MC patho of Erysipelas?

Answer 34

STREP pyogenes

Question 35

Pearly papule with rolled borders and telangiectasia

Answer 35

Basal Cell Carcinoma

Question 36

This skin condition is common in pregnancy and OCP use.

Answer 36

Melasma (Chloasma in pregnancy)

Question 37

Scaly, greasy, yellow-pink-red patches macerated on scalp, ears, face, chest, groin.

Answer 37

Seborrheic Dermatitis

Question 38

Seborrheic Dermatitis Tx

Answer 38

Conservative: - On scalp, remove dry flaky skin with a soft brush after using oil or petrolatum. - OTC dandruff shampoo. Severe: Top. corticosteroids or Ketoconazole cream.

Question 39

What is a complication in Seborrheic Dermatitis?

Answer 39

In dark infants, post-inflammatory hypopigmentation.

Question 40

Patient presents with flushing of face and telangiectasia, especially after eating hot, spicy food. What is her dx?

Answer 40

Rosacea

Question 41

Rosacea Tx

Answer 41

Top. Metronidazole

Question 42

What is the age guideline for varicella zoster vaccine?

Answer 42

Healthy adult >50 yo

Question 43

Maculopapular RED rash that starts on HEAD and spreads downwards. Lasts 7 days.

Answer 43

Measles (Rubeola). | +) Koplik spots (ALWAYS!

Question 44

Pink, light-red spotted maculopapular rash on face and spreads to extremities (lasts 3 days).

Answer 44

Rubella (German)

Question 45

Pediculosis Capitis Tx

Answer 45

Top. Permethrin. | Head lice

Question 46

Psoriasis is found on extensor or flexor surfaces?

Answer 46

Extensor: front of knee, back of elbow. Stretches skin.

Question 47

What reaction is an immediate IgE mediated, like urticaria and angioedema?

Answer 47

Type I

Question 48

Topical Tretinoin SE

Answer 48

Skin irritation

Question 49

Topical steroid SE

Answer 49

Skin atrophy (long-term use)

Question 50

Topical Tretinoin CI

Answer 50

Pregnancy

Question 51

Pityriasis Rosea Tx

Answer 51

Self-limiting. | Top. corticosteroids or PO antihistamines for itching.

Question 52

Pityriasis (Tinea) Versicolor Tx

Answer 52

Top. Selenium Sulfide

Question 53

Pityriasis (Tinea) Versicolor Prophy

Answer 53

Monthly application of: - Propylene glycol - Selenium shampoo - Azole creams

Question 54

What do you call an HSV infection involving the terminal digits of the hand?

Answer 54

Herpetic whitlow

Question 55

Where would we find cafe au lait macules?

Answer 55

Neurofibromatosis

Question 56

Mgmt for human bite to prevent infection

Answer 56

1st: Irrigate 2nd: Augmentin

Question 57

With burns, what is the mgmt?

Answer 57

1st: ABCs (consider intubation early)

Question 58

Dry, dark scab or falling away of dead skin, usu. D/T burn. Name?

Answer 58

Eschar

Question 59

Tx for Chronic Urticaria

Answer 59

Nortriptyline (tricyclic antidepressants)

Question 60

Tx for Seborrheic Keratosis

Answer 60

Liquid nitrogen (cryotherapy), curettage, shave removal.

Question 61

What reaction is an immune antibody-antigen complex, like serum sickness or drug-mediated vasculitis?

Answer 61

Type III

Question 62

Tx for Contact Dermatitis

Answer 62

``` Mild- -Calamine lotion OR -Topical steroid + PO antihistamine. --------------------------------- Mod to severe- PO steroids x3 wks, taper. ```

Question 63

What is the mgmt for elemental metal burns, including dry lime, elemental metals (Na+, K, Lith, Phos) or Phenol?

Answer 63

Cover affected area in mineral oil, sand, or foam from extinguisher

Question 64

Subcutaneous red tender nodules. Dx?

Answer 64

Erythema Nodosum

Question 65

What skin condition is characterized by epidermal hyperplasia and an increase in the epidermal turnover?

Answer 65

Psoriasis

Question 66

When should sutures of the face be taken out? What about of the eyelids?

Answer 66

Face: 5 days Eyelids: 3 days

Question 67

Tx for Impetigo

Answer 67

Topical Mupirocin

Question 68

Post-op fever on day 5-7 would likely be D/T:

Answer 68

Wound infection

Question 69

Dx for Contact Dermatitis

Answer 69

Patch test

Question 70

Tx for mod-severe Psoriasis

Answer 70

UVB, Methotrexate