Review
doi: 10.1007/s00330-008-0882-4.
Epub 2008 Feb 13.
Skull base: pseudolesion or true lesion?
Affiliations
- PMID: 18270709
- DOI: 10.1007/s00330-008-0882-4
Item in Clipboard
Review
Skull base: pseudolesion or true lesion?
Eur Radiol.
2008 Jun.
Abstract
The skull base is a complex anatomical structure. Therefore, radiologists often use "side-to-side" comparison for detection of abnormalities. This approach is compromised by the high frequency of anatomical variations involving the skull base and the common presence of flow-related artifacts within vessels at the skull base that might mimic true lesions. The spectrum of "pseudolesions" ranging from different anatomical variations, such as unusual arachnoid granulations, asymmetric pneumatization and/or appearance of neurovascular foramina, to flow-related artifacts will be discussed in this review article, and tips for their distinction from a true lesion in a similar location will be given.