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. 2013:2013:875607.
doi: 10.1155/2013/875607. Epub 2013 Feb 14.

Extracranial Intraluminal Extension of Atypical Meningioma within the Internal Jugular Vein

Nizar Taki  1 , Richard O Wein, Harprit Bedi, Carl B Heilman
Affiliations

Extracranial Intraluminal Extension of Atypical Meningioma within the Internal Jugular Vein

Nizar Taki et al. Case Rep Otolaryngol. 2013.

Abstract

Meningiomas represent the most common benign intracranial neoplasms, and may spread by direct extension into nearby venous sinuses, but gross spread to the extracranial venous system is uncommon. We report the case of a patient with extracranial intraluminal spread of meningioma within the internal jugular vein to level III of the neck. Review of the preoperative assessment and management is also presented.

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Figures

Figure 1
Figure 1
Pre- and postcontrast axial T1 weighted images show an enhancing mass in the region of the right sigmoid plate and sinus. There is an enhancing component involving and enlarging the right internal jugular vein.
Figure 2
Figure 2
Axial T2 weighted image shows the lack of the normal flow void in the right internal jugular vein secondary to extension of the meningioma. Compare this finding to the normal appearing internal jugular flow void on the left side.
Figure 3
Figure 3
Axial and coronal postcontrast T1 weighted images show the extent of supratentorial and infratentorial enhancement. The coronal image clearly shows the invasion of the right sigmoid sinus (arrow).
Figure 4
Figure 4
Intraoperative photo demonstrating extension of meningioma within the internal jugular vein to the midneck (arrow).
Figure 5
Figure 5
Medium power (100x) H&E stain of internal jugular vein wall with luminal tumor. Inset (400x) demonstrating atypical features of meningioma.
See this image and copyright information in PMC

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