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. If the lesion is removed by curetting, a peripheral collarette of scale is sometimes left. No bleeding is noted as in psoriasis. The lesions are asymptomatic and usually go unnoticed by both the patient and the clinician. No known cause has been reported.