tumours of the epidermis

what are the tumours of the epidermis

virally-induced papilloma

squamous papilloma

actinic keratosis

carcinoma-in situ/bowenoid carcinoma

squamous cell carcinoma

what is papilloma

hyperplastic benigh of epithelium

cause of virally - induced papilloma

papillomavirus

who gets virally-induced papilloma

young and immunosuppressed

symptoms of virally-induced papilloma

finger-like projections or cauliflower and hyperkeratosis

squamous papilloma

not viral and no age issues but due to friction

appearance of squamous papilloma

finger-like projections or cauliflower with hyperkeratosis

other name for equine sarcoid

fibropapilloma

cuase of fibropapilloma

bovine papillomavirus 1 2 13 adding oncogenes and enters by local trauma

what occurs in equine sarcoid

fibroblast proliferaiton in dermis

gross appearance of fibropapilloma

occult/flat

verrucous/cauliflower

malignant

mixed

noduler

fibroblastic/large nodule

actinic fibrosis

dysplasia and hyperplasia of basal cell layer and mitosis

carcinoma in situ other name

bowenoid carcinoma

cause of bowenoid carcinoma

keratinocyte neoplasia not into basement membrane

squamous cell carcinoma species

cat - ear and face

horse - prepuce and penis and conjunctiva

cow - conjunctiva

horse, sheep, dog, cat due to papillomavirus

cuase of squamous cell carcinoma

keratinocyte proliferation due to UV