Actinic keratosis. Overview. Actinic keratosis Actinic keratoses are scaly spots or patches on the top layer of skin. With time the spots or patches may become hard with a wart-like surface. An actinic keratosis (ak-TIN-ik ker-uh-TOE-sis) is a rough, scaly patch on your skin that develops from years of exposure to the sun. It's most commonly found on your face, lips, ears, back of your hands, forearms, scalp or neck.
Swelling of the elbow is mainly due to inflammatory processes. Excessive fluid collects in the tissue spaces and any cavities in the elbow and causes soft swelling of the area. Sometimes it can involve the bone â bony swelling â although the bone is in most cases resistant to the inflammatory processes affecting the surrounding soft tissue.
1 Pain, especially with movement of the elbow or pressure on the elbow. 2  Swelling. 3  One lump may be felt in the back of the affected elbow. 4  The swelling or lump is caused by increased fluid within the bursa and is tender with movement or when touched. This is the most common cause of olecranon bursitis. 2  A sudden injury, such as a blow to the elbow, causing bleeding or fluid buildup. 3  Infection caused by any of the following: 4  An injury at the site of the bursa. 5  An infection in tissue near the bursa that spreads to the bursa. 6  A blood-borne infection.