Abstract
Complete spontaneous thrombosis of an unruptured cerebral aneurysm is a rare event that can be discovered incidentally on advanced neuroradiologic studies. Occasionally, this phenomenon may be symptomatic and can present as an ischemic stroke. The presumed mechanism is probably due to extension of the thrombi to the parent vessel, embolization of intra-aneurysmatic thrombi to distal arteries or arterial compression due to increased aneurysm mass effect. We present documented cases of this unusual entity and review the literature.
MeSH terms
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Adult
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Aged
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Brain / blood supply
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Brain / pathology
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Brain / physiopathology*
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Brain Ischemia / etiology*
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Brain Ischemia / pathology
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Brain Ischemia / physiopathology
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Cerebral Angiography
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Cerebral Arteries / diagnostic imaging
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Cerebral Arteries / pathology
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Cerebral Arteries / physiopathology*
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Disease Progression
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Female
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Humans
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Intracranial Aneurysm / complications*
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Intracranial Aneurysm / pathology
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Intracranial Aneurysm / physiopathology
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Intracranial Thrombosis / complications*
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Intracranial Thrombosis / pathology
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Intracranial Thrombosis / physiopathology
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Magnetic Resonance Imaging
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Male
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Middle Aged
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Predictive Value of Tests
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Recurrence
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Stroke / etiology*
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Stroke / pathology
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Stroke / physiopathology