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KMID : 1037420170120020070
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Journal of Korean Skull Base Society
2017 Volume.12 No. 2 p.70 ~ p.73
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Intraventricular aneurysm radiologically simulating ventricular tumor
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Kim Myeong-Cheol
Yang Na-Rae
Seo Eui-Kyo
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Abstract
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Ventricular aneurysms are very rare. Most ventricular aneurysms are developed at the choroidal artery or a major branch of the circle of Willis. However, in the present study, we will introduce a special case of an intraventricular aneurysm that does not have the parent artery. Previously, a healthy 55 year-old man was admitted to our outpatient clinic with the complaints of headache of 3-month duration and gait disturbance of 2-month duration. On Brain computed tomography and magnetic resonance imaging, he had an intraventricular mass with a cyst. Furthermore, he did not have any aneurysm on magnetic resonance angiography. We used the endoscopic approach and the tumor was successfully removed. Pathological examination revealed that it was not a tumor, but an aneurysm. We experienced a special case that was suspected intraventricular tumor radiologically, but it was identified as an aneurysm. We found that ventricular system is a possible location of aneurysms which have no parent artery.
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KEYWORD
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Intraventricular neoplasm, Intracranial aneurysm
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