Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Extravasation from the Distal Anterior Choroidal Artery Aneurysm in Moyamoya Patient during Computed Tomographic Angiography

  • Chong, Jong-Yun (Departments of Neurosurgery, Hanyang University Medical Center) ;
  • Yi, Hyeong-Joong (Departments of Neurosurgery, Hanyang University Medical Center) ;
  • Kim, Kwang-Myung (Departments of Neurosurgery, Hanyang University Medical Center) ;
  • Lee, Seung-Ro (Departments of Neuroradiology, Hanyang University Medical Center)
  • Published : 2007.05.30
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Abstract

Three-dimensional computed tomographic angiography [CTA], a representative noninvasive radiologic technique, is being widely used for detecting vascular lesions in specific intracranial bleeding under a certain circumstance [acute nontraumatic subarachnoid hemorrhage]. We encountered a case of extravasation of the contrast medium on CTA images that appeared as ribbon-like high-attenuation lesion from an aneurysm at the distal anterior choroidal artery in a young adult moyamoya patient. As CTA is used more frequently, it is imperative to understand such unusual but, potentially lethal image findings to conduct a prompt intervention.

Keywords

References

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