Abstract
A 5-year-old girl was operated upon after a huge mass had been found on the left side of her neck. Preoperatively the anatomy was studied using MRI, including 3D-reconstruction of the tumor. The left vertebral artery was seen to cross the tumor, and during the operation the vessel was preserved. Postoperatively it thrombosed and a permanent cortical blindness developed. One year later MRI angiography of the intracerebral vessels was performed and a pre-existing anomaly of the circle of Willis was demonstrated, which had contributed to the development of the cortical blindness.
MeSH terms
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Blindness, Cortical / diagnosis
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Blindness, Cortical / etiology*
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Child, Preschool
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Circle of Willis / abnormalities
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Circle of Willis / pathology
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Female
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Follow-Up Studies
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Ganglioneuroma / diagnosis
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Ganglioneuroma / surgery*
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Head and Neck Neoplasms / diagnosis
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Head and Neck Neoplasms / surgery*
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Humans
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Image Processing, Computer-Assisted
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Imaging, Three-Dimensional
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Magnetic Resonance Angiography
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Postoperative Complications / diagnosis
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Postoperative Complications / etiology*
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Thrombosis / diagnosis
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Thrombosis / etiology*
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Tomography, X-Ray Computed
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Vertebrobasilar Insufficiency / diagnosis
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Vertebrobasilar Insufficiency / etiology*