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Unenhanced CT scan of head at time of second infarction

Unenhanced CT scan of head at the time of the second infarction. A hemorrhage involves the left inferior colliculus. Some secondary hydrocephalus (not shown), indicated obstruction of the cerebral aqueduct. (Cope TE, Baguley DM, Griffiths TD. The functional anatomy of central auditory processing. Pract Neurol 2015;15(4):302-8. Creative Commons Attribution, CC BY 4.0 license.)

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