<a href="https://en.wikipedia.org/wiki/Computer_tomography" class="extiw" title="en:Computer tomography">Computer tomography</a> of human <a href="//commons.wikimedia.org/wiki/Brain" title="Brain">brain</a>, from <a href="https://en.wikipedia.org/wiki/base_of_the_skull" class="extiw" title="en:base of the skull">base of the skull</a> to top. Taken with intravenous contrast medium.
It was taken Mars 23, 2007 on the uploader, after a 20 minute episode of <a href="https://en.wikipedia.org/wiki/homonymous_hemianopsia" class="extiw" title="en:homonymous hemianopsia">homonymous hemianopsia</a> with loss of the left visual field, but nothing strange was found. Three episodes of <a href="https://en.wikipedia.org/wiki/scotoma" class="extiw" title="en:scotoma">scotoma</a> occurred in the following years, whereof the last one was scintillating (<a href="//commons.wikimedia.org/wiki/File:Scintillating_scotoma.gif" title="File:Scintillating scotoma.gif">depiction</a>). Otherwise, there were no further neurological symptoms.
Department of Radiology, Uppsala University Hospital. Uploaded by <a href="https://en.wikipedia.org/wiki/User:Mikael_H%C3%A4ggstr%C3%B6m" class="extiw" title="en:User:Mikael Häggström">Mikael Häggström</a>.
Radiology, <a href="https://en.wikipedia.org/wiki/Uppsala_University_Hospital" class="extiw" title="en:Uppsala University Hospital">Uppsala University Hospital</a>. Uploaded by Mikael Häggström.