dermatology

Question 1

what is a side effect of topical corticosteroids on darker skin?

Answer 1

patchy depigmentation

Question 2

what can guttate psoriasis be preceeded with?

Answer 2

streptococcal infection

Question 3

what sort of medications are known to exacerbate psoriasis?

Answer 3

beta blockers, lithium, antimalarials (chloroquine and hydroxychloroquine), NSAIDs and ACE inhibitors, infliximab

Question 4

how would you describe a guttate psoriasis rash?

Answer 4

widespread tear drop scaly papules on trunk and limbs

Question 5

who should oral tetracyclines be avoided in?

Answer 5

pregnant, breast feeding women and children <12 years

Question 6

what is a nodule?

Answer 6

elevated, solid, palpable lesion > 1 cm usually located primarily in the dermis and subcutis (deeper layers of the skin)

(papule is <1cm)

Question 7

what is the most aggressive type of melanoma?

Answer 7

nodular melanoma

Question 8

what is the type of melanoma that is most common in people with dark skin?

Answer 8

acral lentigous

Question 9

where is the most common site of necrotising fascitis?

Answer 9

perineum

Question 10

where do acral lentigous melanomas arise?

Answer 10

areas not ass with sun exposure (soles of feet and palms, nails)

Question 11

What is the rule of 9s for approximating body surface area that has been burnt?

Answer 11

Head = 9%
Torso (front) = 18%
Torso (back) = 18%
Whole arm = 9%
Hand = 1%
Whole leg = 18%

Question 12

Management of psoriasis

Question 13

Management of asthma

Question 15

Management of acne vulgaris