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. 2015 Aug;28(4):376–384. doi: 10.1177/1971400915604526

Figure 2.

Figure 2.

Imaging of a 32-year-old man with posterior fossa haemorrhage from an AVM (missed on 4D-CTA). (a) Lateral view of 4D-CTA MIP demonstrating a cerebellar AVM with early venous filling (arrow). (b) Magnified lateral view of 4D-CTA MIP displaying the early filling vein (arrow) and the nidus (arrow head). (c) DSA lateral view illustrating the early filling vein (arrow) and the nidus (arrow head). This is an example of a Spetzler–Martin grade 1 AVM with a nidus size of less than 3 cm with superficial venous drainage. AVM: arteriovenous malformation; 4D-CTA: four-dimensional computed tomography angiography; MIP: maximum intensity projection; DSA: digital subtraction angiography.