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KMID : 1005420230250030347
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Journal of Cerebrovascular and Endovascular Neurosurgery
2023 Volume.25 No. 3 p.347 ~ p.351
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De-novo formation of neighboring intracranial aneurysm after spontaneous thrombosis of a ruptured distal anterior cerebral artery aneurysm: A case report and review of the literature
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Jorge Rios-Zermeno
Leoncio Alberto Tovar-Romero
Gerardo Cano-Velazquez
Ricardo Marian-Magana
Marcos Sangrador-Deitos
Juan Luis Gomez-Amador
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Abstract
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Intracranial aneurysms arise in 1-2% of the population and usually present as hemorrhagic strokes. Spontaneous thrombosis of a ruptured intracranial aneurysm occurs in 1-3% and most commonly in giant aneurysms, with complete thrombosis in just 13-20% of the cases. Thrombosis of smaller aneurysms is rare. Here we present a case of a patient who presented with a ruptured intracranial aneurysm that subsequently thrombosed, discovering a neighboring de-novo aneurysm during follow-up. We hypothesized that after thrombosis, the hemodynamic characteristics that contributed to the formation of the first aneurysm were replicated.
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KEYWORD
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Intracranial aneurysm, Thrombosis, De-novo formation, Distal anterior cerebral artery aneurysm, Ruptured aneurysm, Subarachnoid hemorrhage
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