Glossary
Sort by first letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Abnormal
Not normal. An abnormal lesion or growth may be cancerous, premalignant (likely to become cancer), or benign.
Abscess
An enclosed collection of pus in tissues, organs, or confined spaces in the body. An abscess is a sign of infection and is usually swollen and inflamed.
Actinic Keratosis
A precancerous condition of thick, scaly patches of skin. Also called senile keratosis and solar keratosis.
Acute
Symptoms or signs that begin and worsen quickly; not chronic.
Adenocarcinoma
Cancer that begins in cells that line certain internal organs and that have gland-like (secretory) properties.