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Arachnoid Cyst Information
Arachnoid cysts are cerebrospinal fluid-filled sacs that may develop between
the surface of the brain and the cranial base or on the arachnoid membrane -
one of the 3 membranes that cover the brain and the spinal cord. Most cases
begin during infancy, however onset may be delayed until adolescence.
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Arteriovenous Malformation (AVM)
An arteriovenous malformation (AVM) is a congenital disorder characterized by
a complex, tangled web of arteries and veins. An AVM may occur in the brain,
brainstem, or spinal cord and is caused by abnormal development of blood
vessels. The most common symptoms of AVM include hemorrhaging, seizures,
headaches, and neurological problems such as paralysis or loss of speech,
memory, or vision.
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Central Pain Syndrome
Central pain syndrome is a neurological condition caused by damage to or
dysfunction of the central nervous system (CNS), which includes the brain,
brainstem, and spinal cord. This syndrome can be caused by stroke, multiple
sclerosis, tumors, epilepsy, brain or spinal cord trauma, or Parkinson's
disease.
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Chiari Malformation (Arnold-Chiari)
Arnold-Chiari Malformation is a condition in which the cerebellum portion of
the brain protrudes into the spinal canal. It may or may not be apparent at
birth.
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Chronic Pain
While acute pain is a normal sensation triggered in the nervous system to
alert you to possible injury and the need to take care of yourself, chronic
pain is different. Chronic pain persists. Pain signals keep firing in the
nervous system for weeks, months, even years.
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Encephalitis and Meningitis
Encephalitis and meningitis are inflammatory diseases of the membranes that
surround the brain and spinal cord and are caused by bacterial or viral
infections. They can both cause headaches.
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Hemicrania Continua
Hemicrania continua is a rare form of chronic headache marked by continuous
pain on one side of the face that varies in severity. Superimposed on the
continuous but fluctuating pain are occasional attacks of more severe pain.
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Know Stroke. Know the Signs. Act in Time.
Stroke is the third leading cause of death in the United States and a leading
cause of serious, long-term disability in adults. About 600,000 new strokes
are reported in the U.S. each year. The good news is that treatments are
available that can greatly reduce the damage caused by a stroke. However, you
need to recognize the symptoms of a stroke and get to a hospital quickly.
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The Life and Death of a Neuron
For some neuroscientists, neurogenesis in the adult brain is still an unproven
theory. But others think the evidence offers intriguing possibilities about
the role of adult-generated neurons in learning and memory.
- Meningitis (See:
Encephalitis and Meningitis)
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Occipital Neuralgia
Occipital neuralgia is a chronic pain disorder caused by irritation or injury
to the occipital nerve located in the back of the scalp. Individuals with the
disorder experience pain originating at the nape of the neck. The pain, often
described as throbbing and migraine-like, spreads up and around the forehead
and scalp.
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Stroke
A stroke happens when blood flow to the brain stops. There are two different
kinds of stroke. The most common is an ischemic stroke, caused by a blood clot
that blocks a blood vessel or artery in the brain. The other, less common, is
a hemorrhagic stroke, caused when a blood vessel in the brain ruptures and
spills blood into the surrounding tissue.
- Temporal Arteritis (See:
Vasculitis including Temporal Arteritis)
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Transient Ischemic Attack (TIA)
A transient ischemic attack (TIA) is a transient stroke that lasts only a few
minutes. It occurs when the blood supply to part of the brain is briefly
interrupted. TIA symptoms, which usually occur suddenly, are similar to those
of stroke but do not last as long.
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Traumatic Brain Injury
Traumatic brain injury (TBI) occurs when a sudden physical assault on the head
causes damage to the brain. The damage can be focal, confined to one area of
the brain, or diffuse, involving more than one area of the brain. TBI can
result from a closed head injury or a penetrating head injury.
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Trigeminal Neuralgia
Trigeminal neuralgia, also called tic douloureux, is a condition that affects
the trigeminal nerve (the 5th cranial nerve), one of the largest nerves in the
head. The trigeminal nerve is responsible for sending impulses of touch, pain,
pressure, and temperature to the brain from the face, jaw, gums, forehead, and
around the eyes.
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Vasculitis including Temporal Arteritis
Vasculitis is an inflammation of the blood vessel system, which includes the
veins, arteries, and capillaries. Vasculitis may affect blood vessels of any
type, size, or location, and therefore can cause dysfunction in any organ
system, including the central and peripheral nervous systems.
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