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A brain tumor is a mass or growth of abnormal cells in your brain or close to your brain. Many different types of brain tumors exist. Some brain tumors are noncancerous, or benign, and some brain tum...

A brain lesion is an abnormality seen on a brain imaging test, such as an MRI or CT scan. A brain lesion may involve small to large areas of your brain, and the severity of the underlying condition m...

Pituitary tumors are abnormal growths that develop in your pituitary gland. Some pituitary tumors result in too many of the hormones that regulate important functions of your body. Some pituitary tum...

Trigeminal neuralgia is a chronic pain condition that affects the trigeminal nerve, which carries sensation from your face to your brain. If you have trigeminal neuralgia, even mild stimulation of you...

Traumatic brain injury occurs when an external mechanical force causes brain dysfunction and usually results from a violent blow or jolt to the head or body. An object penetrating the skull, such as a...

Hydrocephalus is the buildup of fluid in the cavities (ventricles) deep within the brain. The excess fluid increases the size of the ventricles and puts pressure on the brain. Cerebrospinal fluid norm...

Heart failure and its related therapies are complex. Managing your care works best when you're being treated, and are actively involved in, and educated about, your condition. Mayo Clinic Health Syste...

An intracranial hematoma is a collection of blood within the skull, most commonly caused by rupture of a blood vessel within the brain or from trauma, such as a car accident or fall. The blood collect...

Cardiac and pulmonary rehabilitation is a customized outpatient program of exercise and education. These rehabilitation programs are designed to gradually acclimate your heart, lungs and vascular syst...

Electrophysiology (EP) is a specialized field of cardiology focusing on diagnosing and treating heart rhythm disturbances. During an EP study, electrodes are guided through blood vessels to your heart...