L20- Dermatology Flashcards
history checklist
- Symptoms- itchy or sore??
- Exacerbating and relieving factors
- Past medical history
- Family history of skin including atop
- Thorough drug history evaluation
- Social, occupation and travel and sexual history
- Psychosocial impact of skin disease
examination checklist
- Adequate exposure and good lighting are essential
- Examination should include/ hair, mucous membranes and nails
- Comment of morphology (how individuals lesion look and distribution/ sites involved
- Palpate
- Examine other systems if appropriate e.g. joins, lymph nodes
lichenification
skin condition that occurs in response to excessive itching or rubbing of the skin and results in thick, leathery patches of skin. This occurs because the outer layer of skin naturally thickens with the extra irritation, and it often happens in tandem with eczema or other skin disorders.
where does lichenification occur
usually in flexural ares e.g. wrist and ankle
papule
small lump <5mm
nodule
larger lump 5-10mm
erythema
redness
vesicle
small water blister
pustule
larger water blister
telangiectasia
thread vein
alopecia
hair loss
hirsutism
hairiness
excoriations
scratch marks
striae
stretch marks
pruritus
itching
atrophy
thinning
macule
non palpable area of discolouration
patch
macule >2cm
plaque
palpable, flat topped ares >2cm
erosion
loss of epidermis (superficial)
ulcer
loss of epidermis and dermis (deep)
lichenification
thickening of the skin with exaggerated skin marking
6 signs of inflammation
rubor tumor calor dolor functio laesa pruritus
rubor
redness
swelling
tumor
calor
heat
pain
dolor
functio laesa
loss of function
itching
pruritus
the process of inflammation results from three main events
vasodilation
increased vascular permeability
influx of leukocytes
toxic epidermal necrolysis (TEN)
- Severe muco-cutaneous drug reaction
- Full thickness epidermal damage
- Skin separated to leave raw, oozing dermis
- Life threating, high mortality
