A case of a ruptured saccular aneurysm arising from the proximal portion of a partially duplicated basilar artery in a 36-year-old woman is reported. CT and lumbar puncture confirmed subarachnoid haemorrhage. Cerebral angiography detected a vertebrobasilar junction aneurysm associated with basilar artery fenestration. The patient underwent successful clipping and coating of the aneurysm by a right lateral suboccipital osteoclastic approach. Embryological development, pathogenesis, diagnostic and therapeutic difficulties of this vascular malformation are discussed in this report.
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Nakamura Mem Hosp, Dept Neurosurg, South 1,West 14,Chuo Ku, Sapporo, Hokkaido 0608570, JapanNakamura Mem Hosp, Dept Neurosurg, South 1,West 14,Chuo Ku, Sapporo, Hokkaido 0608570, Japan
Endo, Hideki
Ono, Hidetoshi
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Nakamura Mem Hosp, Dept Radiol, Sapporo, Hokkaido, JapanNakamura Mem Hosp, Dept Neurosurg, South 1,West 14,Chuo Ku, Sapporo, Hokkaido 0608570, Japan
Ono, Hidetoshi
Nakamura, Hirohiko
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Nakamura Mem Hosp, Dept Neurosurg, South 1,West 14,Chuo Ku, Sapporo, Hokkaido 0608570, JapanNakamura Mem Hosp, Dept Neurosurg, South 1,West 14,Chuo Ku, Sapporo, Hokkaido 0608570, Japan