Health Information Library

Inflammation or irritation of a small sac of fluid, known as the olecranon bursa, on the tip of the elbow.

Decreased vision due to abnormal visual development.

A growth of cells that affects the penis.

A large, flat birthmark that can range in color from deep brown to slate gray or blue-black.

An unusual increase in the number of red blood cells in the blood.

Adenocarcinoma is a type of cancer that starts in gland cells. Learn about symptoms, diagnosis, grades, stages, treatment and prognosis.

A life-threatening condition in which the heart suddenly can't pump enough blood.

A rare condition involving four heart changes present at birth.

A sickness that people get from something they ate or drank.

A cancer developing from cells that line the skin or inner organs, called epithelial cells.

Inflammation of the peritoneum, the thin layer of tissue lining the abdomen and covering the organs in the abdomen.

An illness caused by breathing in too much of this deadly gas.

An inflammatory disease marked by muscle weakness and skin rash.

A type of heart valve disease in which the valve between the left heart chambers doesn't close tightly, allowing blood to leak backward.

A hard lump that develops in the fleshy pads, also known as tonsils, at the back of the throat.

Repetitive activities can injure tendons, causing pain and swelling. Wear and tear from age can also cause tendinopathy. These tendon injuries are common in the hands, arms and legs.

A low level of the electrolyte potassium in the blood. Potassium is important to the proper functioning of nerve and muscles cells, particularly heart muscle cells.

A condition that causes dry, itchy, and inflamed skin. It's also called eczema.

A painful, pus-filled bump under the skin caused by infected, inflamed hair follicles.

A form of breast cancer affecting the nipple and dark circle of skin around it.