Opthalmology, Derm, ENT Flashcards
eczema manageq
avoidance - stress, scratching, hot baths
psycho support
emollient - acqeous, diprobase, e45, nivea, soap substitutes
steroid - hydro-eumo-betno-dermo
look out for infection - abx
eczema
ill defined erythema
dry scaly erosion excoriated
weeping crusting - infection
lichenification vesicles
atopic - young, flexural, symmetrical exogenous: allergic or irritant seborrhoeic discoid pompholyx asteatotic venous eczema
psoriasis
chronic relapsing cond w epidermal inflam and thickening (keratocyte prolif)
subtypes
- plaque - most common
- flexural - lesions are smooth
- guttate - transient, teardrop lesions, post strep infec
- pustular - on palm and soles
- erythrodermic - severe whole body
koebners (also vitiligo, lichen planus)
complications
- nails
- arthritis
- CVD
psoriasis treatment
avoidance - alcohol, stress, smoking
emollient, hydrocortisone topical vitamin d - calcitriol Dovabet (steroid plus vit d) dithranol Tar
light: uvb or puva
syst: methotrexate, anti-tnf
skin cancer
bcc - common, rolled peraly edge telangect central crater, rodent ulcer, slow/local
- nodular, superficial, morphoeic, pigmented
scc - red scaling thickened ulcerate/beed/crust, growing.
may be preceeded by actinic keratosis (no ulcer)
- smoking is also rf
- wle w sentinal biopsy
melanoma - brown/balck (unless amelanotic), metastasizing (lung liver brain bone)
- wle w sentinel biopsy
acne roseacea
flushing pap/pust - nose cheek forehead telangec blehparitis rhinophymia
mild: metronidazole
severe: tertracycline
acne rosseacea
flushing, progressing to erythema w paps and pustules ocular involve (belphitis, conjunctivitis)
rhinophymia
alcohol, sunlight exacerbates
t: metronidazole topical, oral if severe
acne vulgaris mgmt
assess psychological impact
mild:
benzoyl peroxide
topical clindamycin
Also COCP
mod - sever:
oral abx - tetracycline
topical retinoid (adapalene)
severe: oral retinoid (avoid pregnancy)
leg rashes
Erythema nodosum
- in Crohns
- painful
- also in sarcoidosis
pyoderma gangrinosum
- in UC and RA
- ulcers**
neurobiosis lipodica diabetica -
shiny painless yelow/red telangectasia shin lesion
pyoerma gengrenosa - papule- ulcer, red, necrotic
pretib myxoedema - orange peel shiny thyroid
erythema nodosum - sym, red distinct tender nodules - strep, sarcoid, ibd, cocp, abx
scabies
intense widespread pruritis starts 30 days post infec (from eggs)
- type 4 hypersensitivity
linear burrows in/betweeen fingers
t: permethrin
(or malathion)
pityriasis versicolor
fungal
can be itchy scaly
hypopigmented, red or brown
common
t: terbinafine or selenium sulphate
blistering bulous rashes in elderly
if affect mucosa - bullous pemphygus
- superficial - some deroofed and slough
if not - pemphygoid vulgaris
- dermal
t: oral steroids
white areas in mouth
leukoplakia
- pre malignant —biopsy
- prolonged and asymptomatic
candida
- opportunistic
- may be sore, alter taste
lichen planus
- symet, white, lacy
- buccal mucosa
skin abx
impetigo: fusidic acid, flucloxacillin, erythro
cellulitis: fluclox
erysipelas: phenoxymethylpenicillin
bite: coamoxiclav
impetigo
golden crust
staph aureus
or strep pyog (erysipelas)
topical fusidic acid
2) oral flucox or top retapamulin
derm history
Skin type - do you burn more easily than tan Sun exposure? Work outdoors Other skin prods Prev skin cancer Family