often a good idea to check if a facial “venous malformation” is somehow “connected” to the brain — basically is the malformation receiving brain venous drainage. Especially in the temporalis and nasal bridge / periorbital areas
Typical MRI for right masseter/temporal venous malformation. Atypically large round structure in middle of head…
![](http://www.neuroangio.org/wp-content/uploads/Venous/Venous-SSS-hypoplasia-frontal-convexity-drainage-into-venous-malformation-01.png)
![](http://www.neuroangio.org/wp-content/uploads/Venous/Venous-SSS-hypoplasia-frontal-convexity-drainage-into-venous-malformation-02.png)
![](http://www.neuroangio.org/wp-content/uploads/Venous/Venous-SSS-hypoplasia-frontal-convexity-drainage-into-venous-malformation-03.png)
![](http://www.neuroangio.org/wp-content/uploads/Venous/Venous-SSS-hypoplasia-frontal-convexity-drainage-into-venous-malformation-04.png)
![](http://www.neuroangio.org/wp-content/uploads/Venous/Venous-SSS-hypoplasia-frontal-convexity-drainage-into-venous-malformation-05.png)
![](http://www.neuroangio.org/wp-content/uploads/Venous/Venous-SSS-hypoplasia-frontal-convexity-drainage-into-venous-malformation-07.png)
Question: What normal intracranial venous structure is not sufficiently developed — and what relationship could that have with everything else?