Dermatology

Question 1

what population is acanthosis nigricans commonly seen in

Answer 1

obese
insulin resistance
PCOS
DM

Question 2

define actinic keratosis

Answer 2

flesh-colored, pink or yellow-brown lesions with a rough sandpaper feel

Question 3

what is the treatment for actinic keratosis

Answer 3

remove as precaution
observation
cryosurgery
5FU cream
electodesiccation
imiquimod

Question 4

what condition presents with oval-shaped, well-demarcated hair loss typically caused by autoimmune condition

Answer 4

alopecia areata

Question 5

what condition presents wtih loss of hair due to pulling force being applied to hair

Answer 5

traction alopecia

Question 6

what is telogen effluvium

Answer 6

scalp disorder characterized by the thinning or shedding of hair reesutling from early entry of hair in the telogen phase

Question 7

what is the term for typical male pattern baldness

Answer 7

androgenic alopecia

Question 8

what type of skin cancer presents as a white waxy lump or brown scaly patch that is raised, pearly and rolled borders wtih telangiectasias and a central ulcer

Answer 8

BCC

Question 9

what is treatment options for BCC

Answer 9

FU cream and imiquimod cream
photodynamic therapy (PDT) and surgical excision with clear margins

Question 10

what condition presents as a rare, chronic acquired autoimmune subepidermal blistering skin disocrder due to autoantibodies against hemidesmosomes in the epidermal-dermal junction

Answer 10

bullous pemphigoid

Question 11

what is the treatment of bullous pemphigoid

Answer 11

corticosteroids

Question 12

what condition is an acute bacterial skin/skin structure infection of the dermis and subcutaneous tissue characterized by pain, erythema, warmth, and swelling.

Answer 12

cellulitis

Question 13

what is the treatment of cellulitis

Answer 13

cephalexin of dcloxacillin
if MRSA - bactrim, clinda, doxy or IV vanco/linezolid

Question 14

what is condyloma acuminatum

Answer 14

anogentical warts

Question 15

what causes condyloma acuminatum

Answer 15

HPV 6 and 11 are MC but also 16,18,31,33,and 35

Question 16

what is treatment of condyloma acuminatum

Answer 16

imiquimod
podofilox
cryotherapy
surgery or TCA

Question 17

what is another name for seborrheic dermatitis

Answer 17

cradle cap

Question 18

what is the treatment of seborrheic dermatitis

Answer 18

ketoconazole shampoo

Question 19

what is the treatment of perioral dermatitis

Answer 19

topical metronidazole and avoid steroids

Question 20

what id dyshidrosis

Answer 20

pruritic vesicular eruption comprised of clear, deep-seated vescicles without erythema erupting on the lateral aspects of finger, central palm and plantar surfaces

Question 21

what is the treatment of dyshidrosis

Answer 21

petroleum jelly
moisturizer
cold compresses and topical steroids

Question 22

define erysipelas

Answer 22

distinct form of cellulitis notable for acute, well-demarcated, raised superficial bacterial skin infection with lymphatic involvement

Question 23

what pathogen causes erysipelas

Answer 23

S. pyogenes

Question 24

what is the treatment of erysipelas

Answer 24

Pen G

Question 25

what is erythema multiforme

Answer 25

acute, self-limiting and sometimes reocurring skin condition that is considered to be a type IV hypersensitivity reaction associated MC with HSC, meds (sulfa) and other triggers

Question 26

what condition is caused by parvovirus B19 and caused a "slapped cheek" rash on the face

Answer 26

erythema infectiousum (fifths disease)

Question 27

what is the treatment of erythema infectiousum

Answer 27

supportive and anti-inflammatory

Question 29

what pathogen causes hand-food and mouth disease

Answer 29

coxackievirus type A virus

Question 30

what is the presentation of measles (rubeola)

Answer 30

4Cs: cough, coryza, conjunctivitis and cephalocaudal spread

Question 31

what is the presentation of rubella (german measles)

Answer 31

"3-day rash" that first appears on face and spreads to trunk/extremities

Question 32

what is the pathogen associated wtih roseola (sixths disease)

Answer 32

HSV 6 or 7

Question 33

what childhood exanthem starts on the trunk and spreads to the face

Answer 33

roseola (sixths disease)

Question 34

what condition presents with chronic follicular occlusive disease wtih recurrent inflammatory nodules, abscess, sinus tracts and complex scar formation

Answer 34

hidradenitis suppurativa

Question 35

what is the first line treatment for hidradenitis suppeurativa

Answer 35

intralesional triamcinolone

Question 36

what is a highly contageous skin infection that cuases red sores on the face

Answer 36

impetigo

Question 37

what is the treatment of impetigo

Answer 37

topical mupirocin, dcloxacillin, and cephalexin for more severe illness

Question 38

what are complications of impetigo

Answer 38

poststreptococcal glomerulonephritis

Question 39

what condition causes lesions to grow in skin, lymph nodes, interal organs and mucous membranes that is associated with HPV 8

Answer 39

Kaposi Sarcoma

Question 40

what is the tx of Kaposi sarcoma

Answer 40

radiation or chemo and rarely surgery may be needed

Question 41

what is the treatmet of choice for lice

Answer 41

permetherin topical

Question 42

what condition presents as a chronic papulosquamous inflammatory dermatosis with purplish, itchy, flat-topped bumps forming lacy white patches

Answer 42

lichen planus

Question 43

how is lichen planus characterized

Answer 43

5Ps: purple, papule, plygonal, pruritus, planar

Question 44

what are whickham striae

Answer 44

whitish lines visible in the papules of lichen planus and other dermatoses

Question 45

what is the treatment of lichen plaus

Answer 45

topical steroids

Question 46

what presents as a pigemented lesion wtih irregular border, irregular surface or irregular coloration

Answer 46

melenoma

Question 47

define melsama

Answer 47

hyperpigementation of sun-exposed areas of the face dark, irregular, well-demarcated macules/patches

Question 48

what is the treatment for nummular eczema

Answer 48

high or ultra-high potency topical corticosteroids

Question 49

what is the tx of onychomycosis

Answer 49

terbinafine x 6 weeks for fingernails and 12 weeks for toenails

Question 50

what is auspitz sign

Answer 50

bleeding when scale of psoriasis is picked

Question 51

what is koebners phenomenon

Answer 51

minor trauma causes new lesion (psoriasis)

Question 52

what is seborrheic keratosis

Answer 52

mc benign skin tumor seen in fair-skinned elderly patients with prolonged sun exposure - brown, black or tan frowth with waxy, "stuck on" appearance

Question 53

what BSA does SJS affect

Answer 53

3-10%

Question 54

what BSA does TEN affect

Answer 54

>30%

Question 55

what are verrucae

Answer 55

warts