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World J Radiol. May 28, 2010; 2(5): 188-192
Published online May 28, 2010. doi: 10.4329/wjr.v2.i5.188
Published online May 28, 2010. doi: 10.4329/wjr.v2.i5.188
A review on dural tail sign
Houman Sotoudeh, Department of Radiology, Vali Asr Hospital, Arak University of Medical Sciences, Vali Asr Sq, 38137, Arak, Iran
Hadi Rokni Yazdi, Department of Radiology, Imam Khomeini Hospital, Tehran University of Medical Sciences, Keshavarz Blvd, 1419733141 Tehran, Iran
Author contributions: Sotoudeh H wrote the article; Rokni HR got supervision on the manuscript.
Correspondence to: Hadi Rokni Yazdi, Associated Professor, Department of Radiology, Imam Khomeini Hospital, Tehran University of Medical Sciences, Keshavarz Blvd, 1419733141 Tehran, Iran. hadirokni@yahoo.com
Telephone: +98-21-88953001 Fax: +98-21-66404377
Received: March 17, 2010
Revised: May 3, 2010
Accepted: May 10, 2010
Published online: May 28, 2010
Revised: May 3, 2010
Accepted: May 10, 2010
Published online: May 28, 2010
Abstract
“Dural tail sign” (DTS) which is a thickening of the dura adjacent to an intracranial pathology on contrast-enhanced T1 MR Images, was first thought to be pathognomonic of meningioma, however, many subsequent studies demonstrated this sign adjacent to various intra- and extra-cranial pathologies and in spinal lesions. In this paper we outline the history, accompanying pathologies and the differentiation and probable pathophysiology of DTS. We also discuss whether we can predict tumoral involvement of the dural tail before surgery and whether the dural tail adjacent to a tumor should be resected.