case_images: PMC5757098_01
case_images: Axial CT image with bone window settings shows enlargement of left jugular foramen (*).
case_images: CRIRA2017-7047696.001.jpg
case_images: PMC5757098_01_CRIRA2017-7047696.001.jpg
case_images: fig1
case_images: The lesion had caused expansion in the adjacent bones (Figure 1).
case_images: Axial CT image with the soft tissue window settings shows a low-density pouch herniated to the jugular foramen (*).
case_images: CRIRA2017-7047696.002.jpg
case_images: PMC5757098_01_CRIRA2017-7047696.002.jpg
case_images: fig2
case_images: Its density was similar to that of cerebrospinal fluid (CSF) (Figure 2).
case_images: Axial T2 weighted image shows CSF and meninges herniated to the left jugular foramen (*).
case_images: CRIRA2017-7047696.003.jpg
case_images: PMC5757098_01_CRIRA2017-7047696.003.jpg
case_images: fig3
case_images: An enlarged left jugular foramen with a pouch was observed, extending from the left cerebellopontine angle cistern (Figure 3).
case_images: Axial postcontrast T1 weighted image shows CSF and meninges herniated to the left jugular foramen without enhancement (*).
case_images: CRIRA2017-7047696.004.jpg
case_images: PMC5757098_01_CRIRA2017-7047696.004.jpg
case_images: fig4
case_images: Enhancement and diffusion restriction were not found following the administration of a gadolinium-based contrast agent (Figure 4), nor obvious herniations of brain parenchyma.