Pediatric Intracranial Arterial Aneurysms

An overview of intracranial arterial aneurysms found in the pediatric population.

Course ID: Q00348 Category:


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Targeted CE per ARRT’s Discipline, Category, and Subcategory classification:

Computed Tomography: 2.75
Procedures: 2.75
Head, Spine, and Musculoskeletal: 2.75

Magnetic Resonance Imaging: 2.75
Procedures: 2.75
Neurological: 2.75

Registered Radiologist Assistant: 2.75
Procedures: 2.75
Neurological, Vascular, and Lymphatic Sections: 2.75

Vascular-Interventional Radiography: 2.75
Procedures: 2.75
Vascular Diagnostic Procedures: 1.50
Vascular Interventional Procedures: 1.25


  1. Introduction
  2. Features of Pediatric IAAs
    1. Idiopathic Aneurysms
    2. Traumatic Aneurysms
    3. Aneurysms Due to Excessive Hemodynamic Stress
    4. Vasculopathic Aneurysms
    5. Infectious Aneurysms
    6. Noninfectious Inflammatory Aneurysms
    7. Oncotic Aneurysms
    8. Familial Aneurysms
  3. Imaging Diagnosis of IAAs in the Pediatric Population
  4. Summary


Upon completion of this course, students will:

  1. understand the two types of hemorrhagic strokes
  2. know the likelihood of hemorrhagic strokes in patients up to 20 years of age
  3. know where intracranial hemorrhages occur
  4. be familiar with the seven traits associated with IAAs in children
  5. understand the size of giant aneurysms
  6. understand which arteries comprise posterior cerebral circulation
  7. know which IAAs are unusual in the pediatric population
  8. understand what a de novo aneurysm is
  9. understand the definition of an idiopathic IAA
  10. know the meaning of mycotic
  11. know the location of the circle of Willis
  12. be aware of where traumatic IAAs occur
  13. know what the suffix “peri” means
  14. understand the most common cause of aneurysm due to excessive hemodynamic stress
  15. know if arteriovenous malformations are congenital or inherited
  16. understand what vasculopathic means
  17. know the mean age at which pediatric IAAs associated with congenital aneurysmal arteriopathies are normally noted
  18. know the dominant gender associated with congenital arteriopathies
  19. know what percentage of the pediatric population is affected by infectious aneurysms
  20. understand what a protozoan infection is
  21. describe the characteristics of noninfectious inflammatory aneurysms
  22. understand what a fusiform aneurysm is
  23. understand what an oncotic aneurysm is
  24. name two contiguously spreading tumors
  25. list first-degree relatives in regard to familial aneurysms
  26. list the five most common types of pediatric IAAs
  27. know which neuroimaging findings favor certain pathogenic subtypes
  28. list the imaging modalities used for aneurysm management
  29. understand how the diagnostic tools for the management of aneurysms are chosen
  30. understand which non-imaging tests help with diagnosing aneurysms
  31. know which imaging modality uses radio waves and magnetic fields to create images
  32. understand which diagnostic procedure used to diagnose aneurysm is the most invasive
  33. be familiar with the reason digital subtraction angiography is no longer routinely utilized
  34. know the treatment options for pediatric IAAs
  35. understand the three most common types of IAAs that occur in the first two decades of life