Skin Cancer
basal cell carcinoma,
Most prevalent, rarely causes death
Appears on sun exposed hands, face, neck, scalp
Small waxy nodule
May appear shiny, flat, gray, yellow
Rarely metastasizes
Reoccurrence common
squamous cell carcinoma
Arises from epidermis, sun damaged skin
Less aggressive than melanoma, can cause death
May metastasize by blood or lymph
Rough, thickened, scaly tumor
May be asymptomatic or bleed
Border is wide, more infiltrated, more inflammatory
melanoma.
Cancerous neoplasm present in dermis and epidermis
Manifests as a change in nevus or a new growth on the skin
Color is dark, red, blue colored or a mix, irregular shape
Itching, rapid growth, ulceration, bleeding
Treatment: surgical excision, chemotherapy
Risk Factors
Fair skin
A history of sunburn
Excessive ultraviolet (UV) light exposure
Living closer to the equator or at a higher elevation
Having many moles or unusual moles
A family history of melanoma
Weakened immune system
also Kaposi sarcoma, Merkel cell carcinoma and Sebaceous gland carcinoma
A malignancy of endothelial cells that line the blood vessels: dark reddish-purple lesions of the skin, oral
cavity, GI tract, and lungs
Risk factors
Classic KS: older men Mediterranean or Jewish chronic, benign
