Endovascular Treatment of Unruptured Intracranial Aneurysms
Isabel Wankea,
Arnd Doerflera,
Uwe Dietrichc,
Thomas Egelhofa,
Beate Schochb,
Dietmar Stolkeb and
Michael Forstinga
a Department of Neuroradiology, University Hospital of Essen, Essen
b Department of Neurosurgery, University Hospital of Essen, Essen
c the Department of Neuroradiology, Hospital Gilead, Bielefeld, Germany
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FIG 1. Case 2. Images of a 9-year-old male patient with a giant left vertebral aneurysm.
A, Towne projection.
B, Lateral projection.
C, After placing a coil at the neck of the aneurysm, complete elimination was achieved.
D, No retrograde filling was observed during injection into the right vertebral artery.
E and F, Cross-sectional images show complete regression of brain stem compression.
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FIG 2. Case 3. Images of a 61-year-old male patient with a medium anterior communicating artery aneurysm.
A, Before intervention.
B, After intervention, complete obliteration is achieved.
C, Two hours after intervention, thrombus is revealed in the proximal A2 segment. Intra-arterial lysis was performed with 20 mg of recombinant tissue type plasminogen activator.
D, Control angiogram shows partial recanalization, with marked improvement of anterior perfusion.
E and F, MR images reveal partial infarction in the anterior territory.
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FIG 3. Case 1. Images of a 62-year-old female patient with headache.
A, T2-weighted MR image shows possible left middle cerebral artery aneurysm.
B, Digital subtraction angiogram confirms left middle cerebral artery aneurysm.
C, Immediately after endovascular embolization, aneurysmal flow in the center is still observed.
D, Follow-up angiogram obtained 6 months later shows complete obliteration of the aneurysm.
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