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Greater saphenous vein evaluation from computed tomography angiography as a potential alternative to conventional ultrasonography  William F. Johnston,

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Presentation on theme: "Greater saphenous vein evaluation from computed tomography angiography as a potential alternative to conventional ultrasonography  William F. Johnston,"— Presentation transcript:

1 Greater saphenous vein evaluation from computed tomography angiography as a potential alternative to conventional ultrasonography  William F. Johnston, MD, Jonathan K. West, MD, Damien J. LaPar, MD, MSc, Kenneth J. Cherry, MD, John A. Kern, MD, Margaret C. Tracci, MD, JD, Gorav Ailawadi, MD, Gilbert R. Upchurch, MD  Journal of Vascular Surgery  Volume 56, Issue 5, Pages e1 (November 2012) DOI: /j.jvs Copyright © 2012 Society for Vascular Surgery Terms and Conditions

2 Fig 1 Greater saphenous vein (GSV) diameter measured by ultrasound (US), computed tomography angiography (CTA)-lateral dimension, and CTA-antero-posterior (AP) dimension at the proximal thigh, mid-thigh, knee, mid-calf, and ankle. GSV diameter decreased from proximal thigh to the mid-calf and then increased to the ankle. GSV measurements by US and CTA were similar at all levels. P values represent comparisons of adjacent anatomic levels within each imaging modality. Journal of Vascular Surgery  , e1DOI: ( /j.jvs ) Copyright © 2012 Society for Vascular Surgery Terms and Conditions

3 Fig 2 Correlation between ultrasound (US) and computed tomography angiography (CTA) measurements of greater saphenous vein (GSV) at the level of the proximal thigh. Lateral measurements of the GSV by CTA are shown by black squares and antero-posterior (AP) measurements of the GSV are shown in white squares. Journal of Vascular Surgery  , e1DOI: ( /j.jvs ) Copyright © 2012 Society for Vascular Surgery Terms and Conditions

4 Fig 3 The usual course of the greater saphenous vein (GSV) with sample ultrasound (US) and computed tomography angiography (CTA) images shown at the proximal thigh, knee, and ankle. On the CTA images, the GSV is clearly visible and surrounding osseous landmarks are easily appreciated. CFV, Common femoral vein; SFJ, saphenofemoral junction. Journal of Vascular Surgery  , e1DOI: ( /j.jvs ) Copyright © 2012 Society for Vascular Surgery Terms and Conditions

5 Fig 4 Receiver operating characteristic (ROC) curve for greater saphenous vein (GSV) diameter measurements on computed tomography angiography (CTA) in the lateral and antero-posterior (AP) dimensions to detect a GSV diameter >2.0 mm. CI, Confidence interval. Journal of Vascular Surgery  , e1DOI: ( /j.jvs ) Copyright © 2012 Society for Vascular Surgery Terms and Conditions

6 Fig 5 Representative axial computed tomography angiography (CTA) images at the level just proximal to the ankle with (A) the typical noncontrast-enhanced greater saphenous vein (GSV) circled. (B) Arterial contrast bolus is starting to appear in the distal GSV (white circle). Journal of Vascular Surgery  , e1DOI: ( /j.jvs ) Copyright © 2012 Society for Vascular Surgery Terms and Conditions

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