case_images: PMC6763665_01
case_images: (a) Magnetic resonance angiography (MRA) shows a 1-mm right middle cerebral artery aneurysm in case 1 (arrow). (b) MRA shows growth of the aneurysm to 2 mm. (c) MRA shows growth of the aneurysm to 3.3 mm. (d) MRA shows rapid growth of the aneurysm just before rupture.
case_images: SNI-10-164-g001.jpg
case_images: PMC6763665_01_SNI-10-164-g001.jpg
case_images: F1
case_images: A 1-mm right middle cerebral artery aneurysm was incidentally revealed in a 63-year-old woman on MRI [Figure 1].
case_images: PMC6763665_02
case_images: (a) Magnetic resonance angiography (MRA) shows small left internal carotid-posterior communicating artery aneurysm in case 2 (4 mm; arrow). (b) MRA shows growth of the aneurysm to 5 mm. (c) MRA shows rapid growth of the aneurysm just before rupture.
case_images: SNI-10-164-g002.jpg
case_images: PMC6763665_02_SNI-10-164-g002.jpg
case_images: F2
case_images: Subsequent MRIs performed every 6 or 12 months revealed no significant changes in the aneurysm size [Figure 2].