کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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4228524 | 1609860 | 2006 | 4 صفحه PDF | دانلود رایگان |
The purpose of this study is to clarify the prevalence, spectrum of associated tumors and the diagnostic value of the linear meningeal thickening and enhancement adjacent to a peripherally located cranial mass “dural tail sign”(DTS) in contrast enhanced magnetic resonance imaging (MRI). In this prospective descriptive cross-sectional study conducted from 2002 to 2005, 110 patients with imaging-proven intracranial lesions and no history of previous intracranial surgery were referred to the neurosurgery clinic of our hospital for surgical resection. All underwent imaging with a 1.5 T MR system with and without contrast injection. Twelve patients were excluded from our study and finally 98 patients were evaluated for the presence of “dural tail sign”. Twenty-two of 98 patients (22.44%) with intracranial masses exhibited the “dural tail sign” (18 meningiomas, 2 pituitary adenomas, 1 primary cerebral lymphoma and 1 fungal brain abscess). Fifty-eight percent of the patients with biopsy-proven meningioma were observed to show “dural tail sign”. In conclusion, we found the “dural tail sign” to have a sensitivity of 58.6% and specificity of 94.02% in diagnosis of meningioma.
Journal: European Journal of Radiology - Volume 60, Issue 1, October 2006, Pages 42–45