Ultradense Middle Cerebral Artery: Specific Sign of Cerebral Lipiodol Embolization

Publication date: April 2018
Source:World Neurosurgery, Volume 112
Author(s): Mougnyan Cox, Robert Hurst, Arastoo Vossough
Cerebral lipiodol embolization is a rare but known complication of lymphatic embolization for plastic bronchitis. The classic imaging finding on a noncontrast head computed tomography is multiple small areas of hyperdensity within the cerebral hemispheres, which represent lipiodol deposition in the brain. We report a case of lipiodol deposition in the middle cerebral artery following lymphatic embolization, producing an "ultradense" vessel sign on noncontrast computed tomography.



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