PREMALIGNANT LESION
ACTINIC KERATOSIS
ACTINIC KERATOSIS
Wart like scaly lesion on lid margin
low malignant potential for squamous cell carcinoma
treatmet
biopsy followed by simple excision
KERATOACANTHOMA
KERATOACANTHOMA
Risk factors
chronic sun exposure
fair skin
immunosuppressive therapy
clinical features
pink dome increasing in size over weeks
growth ceases in two to three months
keratin filled crater may develop
treatment
surgical excision
radiotherapy
cryotherapy
local chemotherapy