Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Cerebral aneurysm classification
Introduction
Classification
Classification
Cerebral aneurysms can be classified either by size or type.
Classifying by size
- Small aneurysms have a diameter of less than 15mm.
- Larger aneurysms include those classified as large (15 to 25mm)
- Giant (25 to 50mm)
- Super giant (over 50mm)
Classifying by type
- Saccular aneurysms are those with a saccular outpouching and are the most common form of cerebral aneurysm.
- Berry aneurysms are saccular aneurysms with necks or stems resembling a berry.
- Fusiform aneurysms are aneurysms without stems.
References
References
1. Pritz MB. Cerebral aneurysm classification based on angioarchitecture. Journal of Stroke and Cerebrovascular Diseases. 2011 Mar 1;20(2):162-7.
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Â ;Associate Editor(s)-in-Chief: Anika Zahoor M.D.[2]