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Cerebral Edema ll: Pathophysiology01:22

Cerebral Edema ll: Pathophysiology

Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...
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Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component expands, CSF and venous blood...
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Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
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Published on: October 20, 2017

Intracranial cavernous angiomas.

Syed Faraz Kazim1, Bhatti, Syed Ather Enam

  • 1Section of Neurosurgery, Department of Surgery, The Aga Khan University Hospital, Karachi.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|November 17, 2010
PubMed
Summary
This summary is machine-generated.

Intracranial cavernous angiomas (CAs) present with seizures and focal deficits, often diagnosed via MRI. Pakistani patients may have a higher frequency of multiple CAs, with surgery indicated for severe symptoms.

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Area of Science:

  • Neurosurgery
  • Neurology
  • Vascular Malformations

Background:

  • Intracranial cavernous angiomas (CAs) are vascular malformations.
  • Understanding their presentation and management is crucial for patient outcomes.

Purpose of the Study:

  • To describe the clinical presentation, diagnosis, and management of intracranial cavernous angiomas (CAs) in Pakistani patients.
  • To evaluate the effectiveness of different diagnostic and treatment modalities.

Main Methods:

  • Retrospective case series of 18 patients diagnosed with intracranial CAs.
  • Data collected included demographics, clinical presentation, family history, diagnostic methods, management, and outcomes.
  • Magnetic Resonance Imaging (MRI) was the primary diagnostic tool.

Main Results:

  • The median age at diagnosis was 28.5 years, with females diagnosed younger than males.
  • Seizures and focal neurologic deficits were the most common clinical manifestations.
  • MRI demonstrated a high detection rate (93.8%) for CAs.

Conclusions:

  • Cavernous angiomas (CAs) in Pakistani patients may present with a higher frequency of multiple lesions.
  • Seizures and focal deficits are key clinical indicators.
  • MRI is the most sensitive imaging modality for diagnosing intracranial CAs.