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Related Concept Videos

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,...
Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...
Viral Meningitis01:18

Viral Meningitis

Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
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...
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...

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Related Experiment Video

Updated: May 11, 2026

Deciphering and Imaging Pathogenesis and Cording of Mycobacterium abscessus in Zebrafish Embryos
10:38

Deciphering and Imaging Pathogenesis and Cording of Mycobacterium abscessus in Zebrafish Embryos

Published on: September 9, 2015

Brain abscess.

Xavier Sáez-Llorens1, Javier Nieto-Guevara

  • 1Pediatric Infectious Diseases Department, Hospital del Niño, Panama, Republic of Panama.

Handbook of Clinical Neurology
|April 30, 2013
PubMed
Summary
This summary is machine-generated.

Pediatric brain abscesses remain a critical threat, with improving survival but persistent neurological deficits. Current treatment guidelines, often based on adult data, require further research for optimal pediatric care.

Related Experiment Videos

Last Updated: May 11, 2026

Deciphering and Imaging Pathogenesis and Cording of Mycobacterium abscessus in Zebrafish Embryos
10:38

Deciphering and Imaging Pathogenesis and Cording of Mycobacterium abscessus in Zebrafish Embryos

Published on: September 9, 2015

Area of Science:

  • Pediatric Neurology
  • Infectious Diseases
  • Neurosurgery

Background:

  • Brain abscess in children is a severe, potentially fatal condition.
  • Epidemiology is shifting due to changes in patient populations and causative organisms.
  • Despite improved diagnosis and treatment, significant neurological deficits persist in survivors.

Purpose of the Study:

  • To review the current understanding of pediatric brain abscess.
  • To highlight challenges in diagnosis, treatment, and outcomes.
  • To identify gaps in evidence-based guidelines for pediatric management.

Main Methods:

  • Review of existing literature on pediatric brain abscess.
  • Analysis of epidemiological trends and causative pathogens.
  • Discussion of current diagnostic and therapeutic strategies, including surgical and medical interventions.

Main Results:

  • Mortality rates are decreasing, but long-term neurological sequelae (epilepsy, motor/sensory deficits, visual impairment) are common.
  • Common origins include middle ear, paranasal sinus, and dental infections.
  • Lack of pediatric-specific prospective clinical trials complicates treatment guideline development.

Conclusions:

  • Pediatric brain abscess management requires specialized approaches.
  • Evidence-based guidelines are needed, as current protocols are largely derived from adult studies.
  • Individualized treatment, including anticonvulsant therapy guided by electroencephalographic (EEG) studies, is crucial for managing seizures and long-term outcomes.