The tumor grows outward and does not penetrate. The lesions are usually found in elderly patients. It is seen predominantly in elderly males. The lesions are benign growths similar to seborrheic keratosis. Clinically they may be mistaken as a melanoma.
Stucco keratosis is found across all races.
No reports have been noted on race as a factor in this lesion. The occurrence is higher in males than females. The lesions begin to appear around the age of 45. Stucco keratosis is a benign lesion usually mistaken as seborrheic keratosis. First described in 1965, these lesions are often seen in elderly males.