case_images: PMC6423680_01
case_images: Right-sided neck swelling during Valsalva maneuver.
case_images: 10.1177_2050313X19836351-fig1.jpg
case_images: PMC6423680_01_10.1177_2050313X19836351-fig1.jpg
case_images: fig1-2050313X19836351
case_images: The mass increased in size with Valsalva (Figure 1).
case_images: Sagittal contrast-enhanced CT image of the neck showing a well-defined large
  saccular internal jugular vein.
case_images: 10.1177_2050313X19836351-fig2.jpg
case_images: PMC6423680_01_10.1177_2050313X19836351-fig2.jpg
case_images: fig2-2050313X19836351
case_images: Computerized tomography (CT) scan of head and neck with contrast was done (Figures 2-4).
case_images: Contrast-enhanced coronal CT image is showing the extent of the dilatation of
  the right internal jugular vein.
case_images: 10.1177_2050313X19836351-fig3.jpg
case_images: PMC6423680_01_10.1177_2050313X19836351-fig3.jpg
case_images: fig3-2050313X19836351
case_images: Computerized tomography (CT) scan of head and neck with contrast was done (Figures 2-4).
case_images: Contrast-enhanced axial CT image showing dilated right internal jugular vein
  with heterogeneous contrast filling.
case_images: 10.1177_2050313X19836351-fig4.jpg
case_images: PMC6423680_01_10.1177_2050313X19836351-fig4.jpg
case_images: fig4-2050313X19836351
case_images: Computerized tomography (CT) scan of head and neck with contrast was done (Figures 2-4).
case_images: Doppler ultrasound of the right internal jugular vein on 1-year follow-up
  showing patent vein with the same diameter compared to previous CT and no
  thrombus formation.
case_images: 10.1177_2050313X19836351-fig5.jpg
case_images: PMC6423680_01_10.1177_2050313X19836351-fig5.jpg
case_images: fig5-2050313X19836351
case_images: On patient follow-up after 1 year with US Doppler, the internal jugular vein was patent within size compared to previous CT image and no thrombus formation (Figure 5).