A precancerous condition of thick, scaly patches of skin. Also called solar keratosis and actinic keratosis.
A thick, scaly patch of skin that may become cancer. It usually forms on areas exposed to the sun, such as the face, scalp, back of the hands, or chest. It is most common in people with fair skin.
Senile Keratosis has been defined 2 different ways in documents like Glossary of Cancer Terms, NCI Dictionary of Cancer Terms.