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Editorial
. 2021 Jun;79(6):559-561.
doi: 10.1590/0004-282X-ANP-2020-0341. Epub 2021 Jun 11.

Value of 3D-TOF MR angiography and 4D-dynamic contrast-enhanced MRI in the assessment of spontaneous posterior cavernous sinus dural arteriovenous fistula

Francisco Bermal Caparroz Neto  1 , Lucas Giansante Abud  1   2 , Rafael Gouveia Gomes de Oliveira  2 , Daniel Giansante Abud  3 , Soraia Ramos Cabete Fabio  4
Affiliations
Editorial

Value of 3D-TOF MR angiography and 4D-dynamic contrast-enhanced MRI in the assessment of spontaneous posterior cavernous sinus dural arteriovenous fistula

Francisco Bermal Caparroz Neto et al. Arq Neuropsiquiatr. 2021 Jun.
No abstract available

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Conflict of interest statement

Conflict of interest: There is no conflict of interest to declare.

Figures

Figure 1.
Figure 1.. T1-weighted spin-eco (A and B), T2-weighted fat-saturated (A), and post-contrast T1-weighted (B) images from the orbital MR imaging showed no abnormalities. Of note, there are no signs of ocular proptosis or superior ophthalmic vein dilatation.
Figure 2.
Figure 2.. 3D time-of-flight MR angiography (A) and the inverted window of this sequence (B) showed a subtle enlargement of the right cavernous sinus and parasellar high signals (arrowhead).
Figure 3.
Figure 3.. 4D-dynamic contrast-enhanced MR angiography in early arterial phase (A) disclosed a slight asymmetric enhancement of bilateral cavernous sinus (arrows), mainly on the right (arrows), in the subsequent phases (B). This cavernous sinus dural arteriovenous fistula is draining downward through the inferior petrous sinus (A: arrowhead) and not upward through the superior ophthalmic vein, which is present in 9-12% of all cavernous sinus dural arteriovenous fistulas.
Figure 4.
Figure 4.. Digital subtraction angiography revealed a bilateral slow-flow posterior cavernous sinus dural arteriovenous fistula, mainly on the right (A and B). Cavernous sinus dural arteriovenous fistula was successfully treated by venous approach (C). Post-embolization of the cavernous sinus was performed through the inferior petrous sinus, using coils and liquid embolic agents (Phil®️) (D).
See this image and copyright information in PMC

References

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