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Most tumors arise on the sun-exposed regions of the head and neck.
The median delay for diagnosis between first onset and definitive treatment is 3 years. With significant enough sun exposure all caucasians and some other skin types are at significant risk. This is followed by squamous cell carcinoma. Malignant melanoma is less common yet needs to be mentioned due to it malignant tendency. Due to the location on the face, especially the nose, lip, ear and periorbital area, the most conservative yet complete excision is the desired result to prevent recurrence.