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Intracranial aneurysms in infants and children
J W Allison1, P C Davis, Y Sato
1University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA.
Pediatric Radiology
|June 20, 1998
Summary
Pediatric aneurysms vary in type, location, and size, often appearing in the posterior fossa. Advanced imaging like CT, MR, and MRA aids diagnosis, with angiography crucial for surgical planning.
Area of Science:
- Pediatric Neurology
- Neuroradiology
- Vascular Surgery
Background:
- Pediatric aneurysm diagnosis and imaging have evolved with Magnetic Resonance (MR) and MR Angiography (MRA).
- Understanding current diagnostic approaches is vital for effective management.
Purpose of the Study:
- To provide an updated literature review on pediatric aneurysms.
- To define optimal diagnostic work-up strategies for childhood aneurysms.
Main Methods:
- Retrospective review of 25 aneurysms in 21 children across three institutions over 20 years.
- Utilized various imaging modalities including CT, MR, MRA, and conventional angiography.
Main Results:
- Aneurysms were predominantly congenital saccular (18/25), with a significant proportion in the posterior circulation (44%).
- Many aneurysms were large (40%) or giant (16%), often arising from distal arteries.
- CT and MR detected hemorrhage and visualized aneurysms; MRA identified aneurysms in 4 out of 6 patients.
Conclusions:
- Pediatric aneurysms exhibit diverse characteristics, including posterior fossa prevalence, peripheral location, and large size.
- CT, MR, and MRA are valuable diagnostic tools.
- Conventional angiography remains essential for preoperative planning.