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Brain Conditions


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Adult-onset Hydrocephalus

By:
  • AANS Neurosurgical Members
Last updated: July 15, 2024
The term hydrocephalus is derived from two words: “hydro,” meaning water, and “cephalus,” referring to the head. Hydrocephalus is a condition in which excess cerebrospinal fluid (CSF) builds up within the ventricles (fluid-containing cavities) of the brain and may increase pressure within the head. Although hydrocephalus often is described as “water on the brain,” the “water” is actually CSF […]
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Elizabeth Erman’s Patient Story

By:
  • AANS Neurosurgical Members
Last updated: July 3, 2024
Neurosurgeon: Ralph G. Dacey Jr., MD, Washington University School of Medicine, Barnes-Jewish Hospital, St. Louis Patient: Elizabeth Erman, age 38, Ophthalmic Segment Internal Carotid-artery Aneurysm In mid-September 2004, two weeks before my wedding date of Oct. 2, I was at work and suddenly lost my right field of vision. I tried to ignore it for a few […]
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Lisa Klok’s Patient Story

By:
  • AANS Neurosurgical Members
Last updated: July 3, 2024
Neurosurgeon: Gail L. Rosseau, MD, FAANS, Chicago Institute of Neurosurgery and Neuroresearch, Chicago Patient: Lisa Klok, age 25, Chiari Malformation Lisa Klok has a condition called Chiari malformation. Since the age of six, Lisa suffered from what doctors diagnosed as “classic” migraines. She lived with these headaches for 18 years until they became unbearable. The symptoms of […]
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Recovering From Brain Surgery…The Good, the Bad and the Ugly

By:
  • AANS Neurosurgical Members
Last updated: July 3, 2024
Neurosurgeon: H. Hunt Batjer, MD, FAANS, and Bernard M. Bendok, MD, FAANS, Northwestern Memorial Hospital, Chicago Patient: Janet Cahill, age 54, Cerebral Aneurysm Never in a million years would I believe this could happen to me. I now have cognitive impairment secondary to stroke after 11 hours of brain surgery for an aneurysm clipping over the brain […]
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Epilepsy: Electrocorticography (ECoG)

By:
  • AANS Neurosurgical Members
Last updated: July 3, 2024
If an epilepsy case is unresponsive to medications, there are alternative, surgical treatments that  may be an option. To determine this, the treating neurologist may obtain magnetic resonance imaging (MRI) and electroencephalography (EEG) over prolonged periods of time to determine where the seizures are coming from in the brain. Ideally, a surgery can be performed where the portion that is causing the issue […]
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Epilepsy Surgery: Vagus Nerve Stimulation

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Last updated: June 26, 2024
The vagus nerve is one of the cranial nerves that originates in the brain and is part of the autonomic nervous system, which controls involuntary body functions. The nerve begins at the brainstem and passes through the neck, traveling to the chest and abdomen. It is responsible for regulating the functions of internal organs. Specifically, it is involved in motor functions in […]
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Claire Snyman’s Patient Story

By:
  • Alfredo Quinones-Hinojosa, MD, FAANS
  • Johns Hopkins Bayview Medical Center, Baltimore
Last updated: June 26, 2024
Patient: Claire Snyman, 36, Colloid Cyst In 2009, Claire Snyman began to notice she was having difficulty with her short-term memory. Things that she normally had no problem remembering became harder to recall. On May 14, 2010, at the age of 34, she woke to the room spinning. Claire was experiencing her first vertigo attack. Two […]
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Cerebrovascular Imaging

By:
  • Michael Gigliotti, MDPenn State College of Medicine at the Milton S. Hershey Medical Center, Hershey, Penn.
  • Scott Simon, MD, FAANSPenn State College of Medicine at the Milton S. Hershey Medical Center, Hershey, Penn.
Last updated: June 26, 2024
The majority of cerebrovascular problems can be identified through diagnostic imaging tests. These allow neurosurgeons to view arteries and vessels in and around the brain and brain tissue itself. While technical progress has provided safe, fast, and more accurate diagnosis, it has also led to a wide variety of cerebrovascular imaging techniques from which one […]
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Cerebrovascular Disease

By:
  • AANS
Last updated: June 21, 2024
The word cerebrovascular is made up of two parts – "cerebro" which refers to the large part of the brain, and "vascular" which means arteries and veins.
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Hydrocephalus

By:
  • Lawrence M. Shuer, MD, FAANS
  • Rut Thakkar
Last updated: June 26, 2024
Hydrocephalus is a condition in which excess cerebrospinal fluid (CSF) builds up within the fluid-containing cavities or ventricles of the brain.