epidemiology

Last reviewed 01/2018

Keratoacanthoma has the following epidemiological features:

• race:
• more common in caucasians
• rarer in African-Americans
• rarer than squamous cell carcinoma but difficult to quantify accurately as reporting bias towards the latter
• age of onset typically greater than 60 years
• occurs more often in males than females (ratio 2-3:1)