Abstract
Objectives
Susceptibility weighted imaging (SWI) may have the potential to depict the perivenous extent of white matter lesions (WMLs) in multiple sclerosis (MS). We aimed to assess the discriminatory value of the “central vein sign” (CVS).
Methods
In a 3-T magnetic resonance imaging (MRI) study, 28 WMLs in 14 patients with at least one circumscribed lesion >5 mm and not more than eight non-confluent lesions >3 mm were prospectively included. Only WMLs in FLAIR images with a maximum diameter of >5 mm were correlated to their SWI equivalent for CVS evaluation.
Results
Five patients fulfilled the revised McDonald criteria for MS and nine patients were given alternative diagnoses. Nineteen MS-WMLs and nine non-MS-WMLs >5 mm were detected. Consensus reading found a central vein in 16 out of 19 MS-WMLs (84 %) and in one out of nine non-MS-WMLs (11 %), respectively. The CVS proved to be a highly significant discriminator (P < 0.001) between MS-WMLs and non-MS-WMLs with a sensitivity, specificity, positive and negative predictive value and accuracy of 84 %, 89 %, 94 %, 73 % and 86 %, respectively. Inter-rater agreement was good (κ = 0.77).
Conclusions
Even though the CVS is not exclusively found in MS-WMLs, SWI may be a useful adjunct in patients with possible MS.
Key Points
• MRI continues to yield further information concerning MS lesions.
• SWI adds diagnostic information in patients with possible MS.
• The “central vein sign” was predominantly seen in MS lesions.
• The “central vein sign” helps discriminate between MS and non-MS lesions.
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Abbreviations
- AP:
-
Antero-posterior
- CDMS:
-
Clinically definite multiple sclerosis
- CIS:
-
Clinically isolated syndrome
- CV:
-
central vein
- CVS:
-
Central vein sign
- DD:
-
Differential diagnosis
- DIS:
-
Dissemination in space
- DIT:
-
Dissemination in time
- FH:
-
Feet-head
- FLAIR:
-
Fluid-attenuated inversion-recovery
- mIP:
-
Minimum intensity projection
- MS:
-
Multiple sclerosis
- PACS:
-
Picture archiving and communication system
- RIS:
-
Radiologically isolated syndrome
- RL:
-
Right-left
- SOCR:
-
Statistics Online Computational Resource
- SWI:
-
Susceptibility weighted imaging
- WML:
-
white matter lesion
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The abstract of this scientific paper (ctrl no. 2123) has been accepted for oral presentation at ECR 2013.
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Kau, T., Taschwer, M., Deutschmann, H. et al. The “central vein sign”: is there a place for susceptibility weighted imaging in possible multiple sclerosis?. Eur Radiol 23, 1956–1962 (2013). https://doi.org/10.1007/s00330-013-2791-4
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DOI: https://doi.org/10.1007/s00330-013-2791-4