Derm Flashcards
history of a rash
- sites
- spreading
- duration
- associated symptoms
- risk factors
history of lesions
- number
- colour
- size
- shape
- associated symptoms
DH
- acne + steroids
- immunosuppression + skin cancer
- drugs/cream
- current treatment
- duration of use
- how much has been used
palpation of dermatological lesions for ?
- depth
- temperature
- surface texture
- blanching/non blanching
other area to examine and why?
nails: psoriatic changes finger + toes scalp mouth flexures: axilla, sub mammary, genitals
lymph nodes
pulses
joint examination e.g. in context of psoriasis
descriptive terms for surface features
- crust
- desquamation
- exudate
- lichenified
- impetiginised
- ulcerated
- excoriated
- watery/verrucous
descriptive terms for distribution
- symmetry
- photosensitive
- extensor/flexor
- truncal
- distal
- palmar/plantar
- seborrhoeic
scale is
keritoncytes without nuclei shed from the stratum corneum (stop layer of epidermis)
purpuric rash is
purpuric/black lesions suggesting pathology within blood vessels
main cells of the epidermis ?
keritoncytes
length of maturation of keritinocytes
28-30 days
pathophysiology of psoriasis
increased rate of cell turnover of kertinocytes
thickening of epidermis
dermis is …
the supportive layer of the skin composed mostly of connective tissue
what is the top layer of the skin?
epidermis
what cells is the epidermis made out of
statified squamous epitherlium
