File:Cervical dural CSF leak on MRI and CT treated by blood patch (Radiopaedia 49748-54995 G 36).jpg

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Description	Radiopaedia case ID: 49748 Image ID: 26781257 Image stack position: 36/113 Plane projection: Axial Aux modality: T1 C+ Study description: MRI upon presentation Modality: MRI System: Spine Findings: There is an extensive extradural fluid collection separating the dura from the bony spinal canal (curtain sign). The extradural fluid collection shows a T2 hyperintense signal compared to CSF (which shows a slightly lower signal due to flow/pulsation artifacts). The fluid collection shows a T1 hyperintense signal to CSF, probably due to proteinaceous content. The differential diagnosis of an epidural hemorrhage is excluded by a sagittal haemosensitive sequence which shows no blood products. We therefore suspect a spontaneous cerebrospinal fluid leak (CSF leak) with intracranial hypotension as a cause for the patients postural symptoms. The cranial T1 C+ sequence demonstrates diffuse smooth enhancing pachymeningeal thickening as well as the venous distension sign (rounding of the dominant dural venous sinus in sagittal imaging) fortifying the diagnosis of intracranial hypotension.
Date	Published: 3rd Dec 2016
Source	https://radiopaedia.org/cases/cervical-dural-csf-leak-on-mri-and-ct-treated-by-blood-patch
Author	Yves Leonard Voss
Permission (Permission-reusing-text)	http://creativecommons.org/licenses/by-nc-sa/3.0/

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current	19:03, 2 August 2021		1,024 × 1,024 (333 KB)	Fæ (talk \| contribs)	Radiopaedia project rID:49748 (batch #7179-163 G36)

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