general Flashcards
malignancies
melanoma
basal cell carcinoma
squamous cell carnioma
melanoma
acquired streaker dark pigmentation
single dark streak is melanoma until proven
melanoma nails
tend to be thicker, worse prognosis and delayed dx
most present as longitudinal melaonychia
skin or nails arising on foot- failing to heal greater than 2months refer to derm
melanonychia
hx 3-6m up to 20 yrs
brown, black
hx of trauma
nail plate pigmentation constant
lateral margins straight/ long orientated
subungal bleeding
>
- months
purple black, red hues
hx of trauma
haemorrhages broken up in zones
irregular margins
medial cuneiform attachement
tib post
tib ant
peroneus longus
what is psoriasis
autoimmune chronic skin disease marked by periodic flare ups or sharply defined red patches covered in silver flaky skin
what is psoriasis
autoimmune chronic skin disease marked by periodic flare ups or sharply defined red patches covered in silver flaky skin
psoriasis lesions
may be pustular, scaling, red, cracked
unknown aetiology
patho
autoimmune: T cells mistake body proteins as foreign
aggravating factors of psoriasis
stress
weather
trauma
medications
infection
types of psoriasis
plaque- vulgaris most common
gluttae-small red dots
inverse-flexural areas e.g. groin, arm pit
postural-sterile vessicles on skin
dx measures
check nail conditions (pitting, longitudinal, scalp
psoriasis rx
topical: emollients, tar, steriods
system: PUVA, retinoids (VIT A),methotrexate
diabex
controls blood sugar in T2DM