Imaging in children presenting with acute neurological deficit: stroke

Darshana D Rasalkar1, Winnie C W Chu

  • 1Department of Imaging and Interventional Radiology, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, New Territories, Hong Kong, China.

Insights

Pediatric neurological deficits, though rare, require prompt imaging diagnosis. This review details imaging findings for stroke, infection, inflammation, metabolic disorders, neoplasms, and poisoning in children.

Area of Science:

  • Pediatric Neurology
  • Neuroradiology
  • Medical Imaging

Background:

  • Neurological deficits in children are uncommon but critical, necessitating rapid and accurate diagnosis.
  • Imaging plays a pivotal role in diagnosing pediatric neurological deficits and differentiating stroke from stroke mimics.
  • A comprehensive pictorial review of pediatric neurological deficit imaging is lacking.

Observation:

  • This series reviews the causes and imaging appearances of neurological deficits in childhood.
  • The review categorizes deficits into stroke, infection, inflammation, metabolic disorders, cerebral neoplasms, and drug poisoning.
  • Specific imaging findings for various pediatric stroke types, including arterial ischemic stroke, sino-venous stroke, hemorrhagic stroke, and hypoxic-ischemic encephalopathy, are discussed.

Findings:

  • The study provides a systematic overview of imaging findings for diverse pediatric neurological conditions.
  • It highlights key imaging features differentiating various causes of neurological deficits in children.
  • The review emphasizes the importance of recognizing specific imaging patterns for accurate diagnosis and management.

Implications:

  • This resource aids clinicians in diagnosing and managing pediatric neurological deficits using imaging.
  • It serves as a valuable reference for radiologists and neurologists specializing in pediatric care.
  • Improved diagnostic accuracy through imaging can lead to timely interventions and better patient outcomes in pediatric neurology.

Related Concept Videos

Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).
Ischemic Stroke ll: Pathophysiology01:15

Ischemic Stroke ll: Pathophysiology

An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...
Stroke: Introduction and Types01:29

Stroke: Introduction and Types

A stroke is an acute neurological event caused by the sudden disruption of cerebral blood flow, leading to rapid loss of neuronal function. Neurons depend on continuous oxygen and glucose supply, so even brief interruptions can cause irreversible injury within minutes. Strokes are classified into ischemic and hemorrhagic types.Ischemic StrokeIschemic strokes are most common and occur due to arterial occlusion, depriving brain tissue of oxygen and nutrients. This leads to energy failure, ionic...
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...