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Nosaiba T. Al-Ryalat, MD (Doctor of Medicine), Saif Aldeen S

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1 Factors Affecting Attenuation of Dural Sinuses on Noncontrasted Computed Tomography Scan 
Nosaiba T. Al-Ryalat, MD (Doctor of Medicine), Saif Aldeen S. AlRyalat, MS (Medical Student), Lna W. Malkawi, MS, Ethar F. Al-Zeena, MD, Mahasen S. Al Najar, MD, Azmy M. Hadidy, MD, FRCR (Fellow of the Royal Collage of Radiologists)  Journal of Stroke and Cerebrovascular Diseases  Volume 25, Issue 10, Pages (October 2016) DOI: /j.jstrokecerebrovasdis Copyright © 2016 National Stroke Association Terms and Conditions

2 Figure 1 (A) NCCT axial section of an elderly polycythemic man showing superior sagittal sinus with a mean density of 58.2 HU. (B) NCCT axial section of an elderly polycythemic man showing right and left sigmoid sinuses with a mean density of HU and 50 HU, respectively. (C) NCCT axial section of a young anemic woman showing superior sagittal sinus with a mean density of 49 HU. (D) NCCT axial section of a young anemic woman showing right and left sigmoid sinuses with a mean density of 33 HU and 45 HU, respectively. Abbreviations: HU, Hounsfield units; NCCT, noncontrasted computed tomography. Journal of Stroke and Cerebrovascular Diseases  , DOI: ( /j.jstrokecerebrovasdis ) Copyright © 2016 National Stroke Association Terms and Conditions

3 Figure 2 (A) NCCT axial section for patient with meningitis showing hyperdense superior sagittal sinus with an extended falx cerebri thickening. (B) NCCT axial section for patient with cerebrovenous sinus thrombosis showing hyperdense superior sagittal sinus. Abbreviation: NCCT, noncontrasted computed tomography. Journal of Stroke and Cerebrovascular Diseases  , DOI: ( /j.jstrokecerebrovasdis ) Copyright © 2016 National Stroke Association Terms and Conditions

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