Pass Med Q's Flashcards
cell most involved in pathogenesis of urticaria
mast cells
treatment lichen planus
potent topical steroids
treatment for scabies
permethrin cream
treatment itch in CKD
UVB phototherapy
describe the 6 skin types
investigation of suspected fungal nail
nail clippings
treatment of viral warts
cryotherapy
most common vein affected by superficial thrombophlebitis?
what is the treatment?
long saphenous
topical anti-inflammatory
what is erysipelas?
what causes it?
superficial cellulitis - raised, well defined erythema
caused by group A strep
what are actinic keratoses
pre-malignant SCC lesions
- thick, rough, scaly, red, yellow lesions on sun exposed sites
treatment of actinic keratoses
cryotherapy
5 fluoruracil
diclofenac if very mild
what skin lesions can display koebner phenomenon
koebner = lesions at site of injury
psoriasis
vitiligo
lichen planus / lichen sclerosus
molluscum
warts
what is hidradenitis suppuratina
inflammatory nodules, pustules and sinus tracts + scares in areas rich in apocrine glands e.g. axillae, groin
associated with obesity
complications of hidradenitis
sinus tracts / fistulas
scars - rope like bands
lymphatic obstruction
management of hidradenitis
loose clothing + hygeine measures
weight loss
smoking cessation
acute: steroids / flucloxacillin, incision + drainage
chronic: topical clindamycin / oral lymecycline
what is a marjolins ulcer
SCC in an area of chronic inflammation
well demarcated area of hair loss with exclamation mark hairs
allopecia areata
who gets lentigo maligna
older people, chronically sun exposed sites
who gets superficial spreading
younger people on legs, arms, back and chest
presentation lichen sclerosus
what is the tx?
itchy white spots on vulva, elderly lady
emollients + topical steroids
presentation of pityriasis rosea
maybe preceeded by viral infection
herald patch – single oval patch that precedes developement of widespread red scaly oval patches
- self limiting
tear drop scaly papules
guttate psoriasis - triggered by strep throat
telangectasia over mouth + epistaxis
hereditary haemorrhagic telangectasia
TEN
toxic epidermal necrolysis
- affects mucus membranes
- nikolsy sign +Ve
phenytoin, allopurinol
Tx: IV immunoglobulins, NSAIDS, penicillins
orange peel skin
pretibial myxodema
- Graves
shiny waxy yellow skin with telangectasia
necrobiosis lipoidica
- diabetes
1st line for hyperhidrosis
topical aluminium chloride
1st line managment of impetigo if limited localised disease
hydrogen peroxide
what things can cause spider naevi
liver disease
pregnancy
combined pill
what causes eczema herpeticum
how is it treated
HSV
IV aciclovir
what is pellagra
vit D3 deficiency
- isoniazid can cause it
- diarrhoea, dermatitis, dementia
when should IV fluids be given for burns
in 2nd + 3rd degree that cover 15% of body area or more
keratoderma blenorrhagia
waxy yellow papules on palms + soles seen in reiters syndrome
where is the split in bullous impetigo
granular layer
what psych drug can exacerbate psoriasis
lithium
what type of hypersensitivity is nickel reaction
type 4 - patch test
