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Related Concept Videos

Increased Intracranial Pressure l: Introduction01:14

Increased Intracranial Pressure l: Introduction

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...
Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
Increased Intracranial Pressure ll: Pathophysiology01:29

Increased Intracranial Pressure ll: Pathophysiology

Increased intracranial pressure (ICP) refers to a potentially life-threatening rise in pressure inside the skull. This usually happens when there is a major change in the volume of brain tissue, blood, or cerebrospinal fluid (CSF) — the three components inside the skull. According to the Monro-Kellie doctrine, if the volume of one component increases, the volumes of the other components must decrease to maintain normal pressure. If this does not happen, ICP rises.The process often begins with...
Cranial Bones: Superior and Posterior View01:14

Cranial Bones: Superior and Posterior View

The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...

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Related Experiment Video

Updated: Jun 9, 2026

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
07:43

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas

Published on: January 17, 2018

Sinus pericranii: case report.

Yolanda Aburto-Murrieta1, Dulce Bonifacio-Delgadillo, Jorge Balderrama Bañares

  • 1National Institute of Neurology and Neurosurgery, Manuel Velasco Suárez, Mexico City, Mexico. yola_aburto@yahoo.com.mx

Vascular and Endovascular Surgery
|September 3, 2010
PubMed
Summary

Sinus pericranii (SP) involves abnormal connections between brain and scalp veins. This study explores conservative management for potentially fatal SP complications, moving beyond typical cosmetic or hemorrhage prevention treatments.

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Last Updated: Jun 9, 2026

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
07:43

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas

Published on: January 17, 2018

Area of Science:

  • Neurology
  • Vascular Surgery
  • Medical Imaging

Background:

  • Sinus pericranii (SP) is a rare congenital anomaly characterized by abnormal communication between intracranial dural sinuses and extracranial superficial scalp veins.
  • Traditionally, treatment indications for SP include cosmetic concerns and prevention of intracranial hemorrhage.
  • The potential for serious complications necessitates a thorough understanding of management options.

Observation:

  • This report details a conservative treatment approach for sinus pericranii.
  • The focus is on managing potentially lethal complications associated with this venous anomaly.
  • The authors present their experience with non-surgical interventions.

Findings:

  • Conservative management can be effective in addressing severe complications of sinus pericranii.
  • This approach may offer an alternative to surgical intervention in select cases.
  • The study highlights the importance of vigilant monitoring and tailored treatment strategies.

Implications:

  • Conservative treatment strategies may be viable for managing sinus pericranii complications.
  • This approach could reduce risks associated with surgical interventions.
  • Further research is warranted to establish the long-term efficacy and safety of conservative management for SP.