Article Figures & Data
Figures
- Fig 1.
A 37-year-old woman who presented with severe headache. A, Left ICA angiography shows a saccular aneurysm (1.44 × 1.65 cm) at the left MCA bifurcation. B, Repeat angiography 5 years later reveals marked enlargement of the aneurysm (5 × 4 × 4 cm) with incorporation of the upper MCA trunk into the serpentine aneurysm lumen. C and D, Endovascular occlusion of the serpentine aneurysm and the parent artery by coiling and Onyx injection was performed.
- Fig 2.
A 32-year-old man who presented with headache and diaphoresis. A, Cerebral angiography shows fusiform enlargement of the right PCA (P2 and P3 segments). B, Six years later, postcontrast MR imaging reveals an enhancing vascular channel on the postgadolinium T1-weighted image surrounded by nonenhancing thrombus. Note the associated mass effect and midline shift. C–E, Cerebral angiography demonstrates marked enlargement of the aneurysm with a tortuous vascular channel.
- Fig 3.
A 39-year-old woman who presented with headache. A, Cerebral angiography shows a fusiform aneurysm involving the left MCA M1 and M2 segments. B and C, DSA 1 year later demonstrates marked enlargement of the fusiform aneurysm with sluggish intra-aneurysmal blood flow. D, Six days later, angiography before endovascular treatment reveals partial intra-aneurysmal thrombosis with the classic doughnut shape evident.
- Fig 4.
A 39-year-old woman who presented with headache and diplopia. A and B, Initial cerebral angiography shows a giant serpentine aneurysm in the cavernous segment of the right ICA. C and D, Repeat angiogram at the 2-year follow-up demonstrates that the aneurysm has lost its serpentine formation and acquired a fusiform morphology.
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