Diagnostic value of magnetic resonance tomographic angiography in idiopathic trigeminal neuralgia
10.3969/j.issn.1002-1671.2016.07.005
- VernacularTitle:磁共振断层血管成像对原发性三叉神经痛的诊断价值
- Author:
Lei ZHANG
;
Liuqing YANG
;
Dong ZHANG
;
Li WEN
- Publication Type:Journal Article
- Keywords:
trigeminal neuralgia;
magnetic resonance imaging;
angiography;
vascular compression
- From:
Journal of Practical Radiology
2016;32(7):1012-1015,1032
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the diagnostic value and the efficacy of magnetic resonance tomographic angiography(MRTA) in identifying the relationship between nerves and blood vessels of the patients with idiopathic trigeminal neuralgia.Methods Clinical and MR data of 280 ITN patients were analyzed retrospectively,and then were compared with operation results by using blind con-trol trials.Results Of the 280 ITN patients,there were a total of 267 patients with neurovascular contact,dubious contact or com-pression in affected sides (positive rate:95.3%),and 66 patients in normal sides (false positive rate:23.6%).And of 120 surgical patients,1 18 were found to have neurovascular contact or compression during the operation.There was significant statistical differ-ence between the neurovascular contact or compression in affected sides and that in normal sides (P <0.05).Using operation results as the gold standard,the specificity,sensitivity and the diagnostic accordance rate of MRTA in diagnosing neurovascular contact or compression were 100%,96.6% and 96.7% respectively.Conclusion MRTA can reliably display the relationship between nerves and blood vessels with higher diagnostic sensitivity and accuracy,thus providing the objective basis for the etiological diagnosis of and surgical treatment for ITN.
