Squamous cell carcinoma also usually develops on areas of the skin exposed to the sun, also affected by previous actinic keratosis. Incidence is less than basal cell carcinoma, but the mortality rate is higher.
Squamous cell carcinoma usually develops on areas of skin exposed to sunlight, and the main risk factors for its appearance are sunlight, photochemotherapy, tanning booths, tobacco, and chronic wounds. Dermatoscopic study by a dermatologist is fundamental. Treatment should be surgical, and the possibility and nearby swollen lymph nodes should be studied and reviewed.
As with basal cell carcinoma, treatment is surgical and should be followed up by periodic check-ups with the dermatologist.