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Prion diseases comprise several conditions. A prion is a type of protein that can trigger normal proteins in the brain to fold abnormally. Prion diseases can affect humans and animals and are sometimes transmitted to humans by infected meat products.

A possible occult fracture is a suspected fracture that needs to be confirmed with other imaging tests. Read on to learn more.

The skull base offers support from the bottom. Think of it as the floor of the skull, where the brain sits. Tumors can form at the base of the skull.

Arteriovenous malformations is the abnormal formation of veins and arteries. It can develop in the fetus or newborn baby. Learn more about this condition, including causes, diagnosis, and treatment.

Rathke cleft cysts are noncancerous fluid-filled growths that develop between the parts of the pituitary gland at the base of the brain while a baby is growing in the uterus. This cyst develops from a piece of the fetus' developing Rathke pouch, which ultimately becomes part of the pituitary gland.

When used to treat injuries at home, cryotherapy refers to cold therapy with ice or gel packs that are usually kept in the freezer until needed. These remain one of the simplest, time-tested remedies for managing pain and swelling.

Patient-controlled analgesia (PCA) is a type of pain management that allows you to decide when you will get a dose of pain medicine. You don't need to wait for a nurse, and you can get smaller doses of pain medicine more often.

A paranasal sinus tumor is a cancer that has grown inside your sinuses, the open spaces behind your nose.

Acute osteomyelitis is an infection in the bone. It develops over a short time, usually about 2 weeks. In children, osteomyelitis is more common in the long bones of the arms and legs. But it can affect any bone in the body. Read on to learn more.