Dermatology

Question 1

pemphigus vulgaris is Abs against what?

Answer 1

desmosomes

Question 2

which of bullous pemphigoid or pemphigus valugaris occurs in mouth?

Answer 2

pemphigus

Question 3

which of bullous pemphigoid or pemphigus valugaris has positive nikolsky sign?

Answer 3

pemphigus

Question 4

what are abs against in bullous pemphigus?

Answer 4

hemidesmosomes

Question 5

what is rx of pemphigus vulgaris and bullous pemphigoid/

Answer 5

high dose steroids

Question 6

what is cause and appearance of dermatitis herpetiformis

Answer 6

celiac IgA deposits and causes blisters

Question 7

what is rx of dermatitis herpetiformis?

Answer 7

avoid gluten and dapsone if bad

Question 8

what is cause of porphyria cutanea tarda?

Answer 8

uroporphyrinogen

Question 9

how do you diagnose porphyria cutanea tarda?

Answer 9

wood lamp

Question 10

what are sx of porphyria cutanea tarda?

Answer 10

blisters in sun exposed areas

Question 11

what is rx of porphyria cutanea tarda?

Answer 11

avoid sun

Question 12

what are disease associations with porphyria cutanea tarda?

Answer 12

hep C, hemachromatosis, and OCPs

Question 13

what is rx of seborrheic dermatitis?

Answer 13

selenium shampoo

Question 14

first line rx for psoriasis? 2nd?

Answer 14

UV light exposure…then roids

Question 15

where does pityriasis rosea spare?

Answer 15

palms and soles

Question 16

what is description of pityriasis rosea?

Answer 16

has salmon colored herald patch that then scales

Question 17

what is rx of pityriasis rosea?

Answer 17

nothing

Question 18

what is cause of stasis dermatitis?

Answer 18

edema in legs

Question 19

what does stasis dermatitis look like?

Answer 19

edema leads to erythematous dark itchy skin

Question 20

what is rx for stasis dermatitis>

Answer 20

offload fluid

Question 21

if urticaria does hot have anaphylaxis associated, then what is rx?

Answer 21

antihistamines or steroids

Question 22

if urticaria does have anaphylaxis associated, then what is rx?

Answer 22

epi

Question 23

what does classic drug rxn rash look like

Answer 23

pink morbilloform symmetric rash that is widespread

Question 24

when does drug rxn rash appear?

Answer 24

7-14 days after start of meds

Question 25

what are two common causes of erythema multiforma?

Answer 25

HSV and drugs

Question 26

what does erythema multiforme look like?

Answer 26

targetoid lesions

Question 27

rx for erythema multiforme?

Answer 27

topical roids

Question 28

what are main differences in SJS and TEN?

Answer 28

SJS <10% and top layer of skin, TEN 30% or more and whole layer of skin

Question 29

what sign is positive in SJS/TEN?

Answer 29

nikolsky

Question 30

what do you have to check for in SJS/TEN?

Answer 30

oral and eye involvement

Question 31

what is rx of SJS/TEN?

Answer 31

stop meds and put in burn unit

Question 32

what are classic drugs that cause SJS/TEN?

Answer 32

penicillins, sulfa drugs, anti seizure meds and retroviral

Question 33

which of seborrheic keratosis or actinic keratosis is pre malignant?

Answer 33

actinic

Question 34

what is the appearance of seborrheic keratosis>

Answer 34

stuck on large greasy plaque

Question 35

what is appearance of actinic keratosis>

Answer 35

erythematous lesion with sandpaper like scale

Question 36

what is appearance of SCC?

Answer 36

fleshy colored lesion with ulceration

Question 37

SCC is malignancy of what cells?

Answer 37

keratinocytes

Question 38

can SCC metastasize?

Answer 38

yes

Question 39

cause of albinism

Answer 39

low tyrosinase activity

Question 40

cause of vitiligo

Answer 40

AI destruction of melanocytes

Question 41

cause of tinea versicolor?

Answer 41

infection with fungus

Question 42

rx of tinea versicolor?

Answer 42

selenium or ketoconazole

Question 43

rx of vitiligo?

Answer 43

topical steroids or UV light

Question 44

two treatments for male pattern baldness

Answer 44

minoxidil and finasteride

Question 45

what is pattern of male baldness

Answer 45

starts as patch at crown and extends outward

Question 46

what is cause of alopecia areata?

Answer 46

it is autoimmune

Question 47

what is rx for alopecia areata? where does it occur?

Answer 47

steroids. patch of hair loss anywhere on head

Question 48

what is rx of tinea capitis?

Answer 48

oral griseofulvin

Question 49

four steps of acne treatment in orderfrom weak to strong

Answer 49

topical retinoin benzoyl peroxide doxycycline isotretinoin

Question 50

erysipelas is caused by what? who gets it?

Answer 50

strep in adults

Question 51

what does erysipelas look like/

Answer 51

well defined indurated red lesions

Question 52

rx of impetigo? erysipelas?

Answer 52

amoxicillin for both

Question 53

if cant give amoxicillin for impetigo, what can you give?

Answer 53

clindamycin

Question 54

what is rx of onychomychosis?

Answer 54

oral terbinafine