dermatology

Question 1

What is the defintion of acne?

Answer 1

disorder of the pilosebaceous apparatus

Question 2

what is acne caused by?

Answer 2

excess sebm secretion
hormones- andorgens
obstruction of the pilosebaceous duct
bateria- p acnes
drugs

Question 3

what are possible treatments for acne?

Answer 3

local abrasives
topical antibiotics
topical vitamin A analogues
isotretinoin

Question 4

What is rosacea?

Answer 4

flushing/ erythema

may involve inflammed paules and pustules

Question 5

what can rosacea be associated with?

Answer 5

conjunctivitis, blepharitis

Question 6

What can trigger rosacea?

Answer 6

spicy foods, alcohol, stress, temperature, sunlights

Question 7

what are possible treatments for rosacea

Answer 7

topical or systemic antibiotics
cosmetic camouflage
laser
isotretinoin
avoidance of topical steroids

Question 8

What is impetigo caused by?

Answer 8

staphylococci or streptococci

Question 9

what may impetigo trigger?

Answer 9

glomerulonephritis

Question 10

what is the treatment for impetigo?

Answer 10

antibiotics

Question 11

What is folliculitis?

Answer 11

superficial infection of the hair follicle

Question 12

what bacteria are involved in folliculitis?

Answer 12

s. aureus

Question 13

what is folliculitis related to?

Answer 13

diabetes

Question 14

what is erysipelas?

Answer 14

form of cellulitis
spreading red edge, sharp line of demarcification
viral warts causedby HPV

Question 15

what is treatment of erysipelas?

Answer 15

systemic antibiotics

may require gentle cryotherapy

Question 16

What is molloscum contagiosum?

Answer 16

DNA pox virus
umbilicated papules
cheese like white core

Question 17

how is mooloscum contagiosum treated?

Answer 17

may resolve or require gentle cryotherapy

Question 18

facial lesions re. herpes simplex are usually what type?

Answer 18

herpes simplex type 1

Question 19

what occurs at primary eruption of herpes simplex?

Answer 19

in childhood
acute gingiva stomatitis
gerneral malaise and fever

Question 20

what are recurrences of herpes simplex triggered by?

Answer 20

UV light
respiratory tract infections
menstruation
stress

Question 21

What may herpes simplex lead to ?

Answer 21

eczema herpeticum

Question 22

how is herpes simplex treated?

Answer 22

antiseptices, antivirals

acyclovir, valciclovir

Question 23

what is herpes zoster?

Answer 23

reactivation of chicken pox virus in root ganglion
‘shingles’
unilateral eruption
burning pain, erythema, grouped vesicles, crusting

Question 24

Wht virus is associated with hand, foot and mouth?

Answer 24

coxsackie A virus

Question 25

Name 3 fungal infection

Answer 25

dermatophyte candida eczema

Question 26

How is patch testing carried out re. allergens?

Answer 26

prepared on finns chambers applied to back and removed after 48 hours read at 48 hours and 96 hours

Question 27

What is psoriasis?

Answer 27

chronic, non inflammatory disease of the skin

Question 28

how does psoriasis present?

Answer 28

well demarated scaley plaques scalp and hair line commonly affected nails may show pitting

Question 29

What are possible treatments for psoriasis?

Answer 29

``` tar dithranol vitamin D creams phototherapy systemic immunosuppressive ```

Question 30

How does lichen planus present?

Answer 30

itchy flat topped papules on wrists and leg white streaky pattern on surface white asymptomatic lacy reticulae streaks in mouth rarely leads to malignancy

Question 31

what is bullous pemphigus?

Answer 31

autoimmunie disease | large tense blisters - mainly in elderly

Question 32

what is cicatricial pemphigoid?

Answer 32

blisters ad ulcers affecting mucous membranes

Question 33

what is pemphigus?

Answer 33

severe life threatening autoimmune disease

Question 34

what is treatment for pemphigus?

Answer 34

high dose steroids, immunosuppresives

Question 35

What is erythema multiforme?

Answer 35

reactive state | triggered by herpes simplex, other infections, drugs, cancers...

Question 36

what sydrome is associated with erythema multiforme?

Answer 36

steven johnsons

Question 37

what are two pre cancerous lesions?

Answer 37

actinic keratoses | bowens disease

Question 38

how does actinic keratoses present?

Answer 38

hyperkeratotic areas on sun exposed skin | can progress to squamous cell carcinoma

Question 39

how does bowen disease pressent?

Answer 39

common on lower legs in elderly females also may occur on hands and face increase risk if immuno suppressed