Dermatology Histology Flashcards
acute dermatitis
Intra epidermal vesicles containing white cells and debris
spongiosis (intracellular oedema)
psoriasis
parakeratosis epidermal hyperplasia micro abscesses elongates, fusion and clubbing of rete edges blood vessels close to the surface
bullous pemphigoid
Fluid filled bulla with eosinophils, between epidermis and dermis
split through DEJ
toxic epidermal necrosis
intra epidermal split at DEJ
lichen planus
hypergranulosis
orthohyperkeratosis
formation of cytoid bodies
band like upper dermal infiltrate of lymphocytes
rosacea
patchy inflam with plasma cells
perifollicular granulomas
dysplastic naevi
epidermis has not been breached
dermatitis herpetiformis
papillary dermal microabscesses
actinic/solar lentigines
epidermis has elongated rete ridges
epidermolysis bullosa
simplex - affects keratinocytes
junction - affects lamina lucida
dystrophic - affects lamina densa
eczema
spongiotic intraepidermal oedema
SCC
hyperkeratotic
cancer of suprabasal keratinocytes
BCC
cancer of the basal layer of keratinocytes
MM
malignant neoplasm of melanocytes in the basal layer of the epidermis
Bowens disease
full thickness dysplasia/carcinoma in situ
