Extravasation of intracranial aneurysm during computed tomography angiography: mimicking a blood vessel |
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| Authors: | Ryu Chang Woo Kim Sang Joon Lee Deok Hee Suh Dae Chul Kwun Byung Duk |
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| Institution: | Department of Radiology, Inha University Hospital, Inha University College of Medicine, Incheon, Korea. |
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| Abstract: | Two cases of contrast media extravasation of a ruptured aneurysm during computed tomography angiography (CTA) are described. The contrast media extravasation appeared as a highly attenuated twisted ribbon-like structure originating from the aneurysmal dome, and this mimicked a vascular structure. Because rebleeding of an aneurysm is accompanied by disastrous consequences, it is important to understand the imaging feature of active bleeding on CTA. |
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