Images obtained in a 41-year-old woman with headache.
A, 3D volume-rendered image (posteroanterior) shows aneurysm at the origin of the left superior cerebellar artery (arrow). S, superior; I, inferior; R, right; L, left.
B, Maximum intensity projection image (anteroposterior) shows aneurysm at the origin of the left superior cerebellar artery (arrow). S, superior; I, inferior; R, right; L, left.
C, Left vertebral artery digital subtraction angiogram (anteroposterior projection) shows aneurysm at the origin of the left superior cerebellar artery. This patient underwent attempted treatment by GDC embolization. However, the aneurysm was thrombosed during the procedure before coil embolization. The patient was followed up and did not have any significant complaint as of the time of this writing.