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The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
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Each cerebral hemisphere can be divided into three main regions. The outermost region, the cerebral cortex, is a thin layer (2 to 4 millimeters thick) made up of gray matter, consisting of neuron cell bodies, dendrites, glial cells, and blood vessels. The middle region, or white matter, is primarily composed of myelinated nerve fibers organized into three types of large tracts: association fibers, commissures, and projection fibers. Association fibers connect different areas within the same...
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The main and largest component of the human brain is the cerebrum. The cerebrum consists of two main parts: the cerebral cortex, an outer layer with wrinkles or folds known as gyri and shallow grooves called sulci, and a deeper region beneath it. The cerebrum divides into two distinct hemispheres and contains five different lobes: the frontal, parietal, temporal, occipital, and insula. The central sulcus separates the frontal and parietal lobes and two functionally important gyri — the...
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Corpus callosum agenesis.

A Chacko1, R Koul, D K Sankhla

  • 1Division of Pediatric Neurology, Department of Child Health, Sultan Qaboos University Hospital, Oman.

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|November 5, 2013
PubMed
Summary
This summary is machine-generated.

Corpus callosum agenesis, a brain malformation, affects 1% of children with neurological issues. This condition is often linked to epilepsy and neurodevelopmental challenges.

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Area of Science:

  • Neuroimaging
  • Pediatric Neurology
  • Developmental Neuroscience

Background:

  • Corpus callosum agenesis is a congenital anomaly affecting brain development.
  • It is associated with a wide spectrum of neurological deficits in children.
  • Early detection and characterization are crucial for management.

Purpose of the Study:

  • To analyze the prevalence of corpus callosum agenesis in children with neurological problems.
  • To investigate associated neurological and systemic abnormalities.
  • To understand the clinical significance of this anomaly in a hospital setting.

Main Methods:

  • Retrospective analysis of computerized tomography (CT) brain scans.
  • Inclusion criteria: children with neurological problems and confirmed agenesis of the corpus callosum (1993-1997).
  • Assessment for syndromic associations, congenital infections, and metabolic defects.

Main Results:

  • Corpus callosum agenesis identified in 22 out of 2164 children (1% prevalence).
  • The majority of cases were not syndromic, with a male predominance (64%).
  • Epileptic disorders were present in approximately one-third of affected children.

Conclusions:

  • Corpus callosum agenesis is a significant finding in pediatric neurodevelopmental handicaps.
  • Neuroradiology, particularly CT scans, plays a key role in its detection.
  • Further research into associated abnormalities can guide clinical management.