25
Jun
What Is an Extracranial-Intracranial Bypass?
An extracranial-intracranial bypass is a technique used to augment the blood flow to the brain. The common carotid artery is located in the neck and supplies blood to the brain, face, and scalp. At the jaw the common carotid artery divides into the internal carotid artery tha...
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25
Jun
What Is Carpal Tunnel Syndrome?
The term carpal tunnel syndrome describes a condition that arises when the median nerve, which runs from the forearm into the hand, is compressed at the wrist by a tendinous band. Compression of this nerve can result in pain, weakness, and numbness involving the wrist and han...
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25
Jun
What Is Cervical Spinal Stenosis?
The term cervical spinal stenosis describes a narrowing of the spinal canal in the cervical region leading to compression of the spinal cord. What Causes Cervical Spinal Stenosis? For most patients, cervical stenosis is an acquired disease process brought about by chronic we...
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25
Jun
What Is Craniosynostosis?
The skull is made up of several boney plates that are held together by fibrous joints (cranial sutures). These cranial sutures permit skull growth during childhood as the brain enlarges. Craniosynostosis describes a phenomenon where one or more of these cranial sutures fuse p...
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25
Jun
What Is Cubital Tunnel Syndrome?
Cubital tunnel syndrome refers to a group of symptoms arising from injury to the ulnar nerve as it travels along the medial aspect of the elbow, a region commonly known as the “funny bone. ” These symptoms include pain at the elbow, numbness along the medial aspect of the fore...
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25
Jun
What Is Deep Brain Stimulation (DBS)?
Deep brain stimulation involves the placement of electrodes in the brain to treat specific movement disorders such as: parkinson’s disease, essential tremor and dystonia. These electrodes are connected to an implanted pulse generator, similar to a pacemaker for the heart. The...
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25
Jun
What Is Epilepsy?
Epilepsy is a condition in which patients have recurrent unprovoked seizures. Patients who have only suffered from a single seizure are not considered to have epilepsy, since by definition epilepsy implies a condition of recurrent seizures. The seizure activity may simply be...
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25
Jun
What Is Hemifacial Spasm?
Hemifacial spasm describes unilateral painless intermittent spasms of the muscles involved in facial expression. Typically the spasm begins around the eye and spreads to involve the entire half of the face. The spasms, however, may only involve the upper or lower face, and ma...
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25
Jun
What Is Hydrocephalus?
Quite simply, the term hydrocephalus refers to the abnormal accumulation of fluid in the brain. This fluid, called cerebrospinal fluid (CSF), is normally produced and reabsorbed by the brain at similar rates. Approximately 450ml to 750ml of CSF is produced by the brain each d...
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25
Jun
What Is Interventional Neuroradilogy?
Interventional neuroradilogy (or endovascular neurosurgery) is a hybrid specialty that has recently evolved to diagnose and treat a range of neurological diseases. Using x-ray guidance small catheters are guided into the blood vessels of the neck and brain enabling a range of...
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