16 year-old male is "mugged". He is unconscious for 30 minutes and has both antegrade and retrograde memory loss. Initially he is confused and 4 hours later he becomes obtunded.

Neuro findings

obtundation
left hemiparesis
left homonymous hemianopsia
right dilated and non-reactive pupil
right medial rectus paresis

Images

Questions:

1. Explain sequence of events.

2. Explain neurological findings.

3. What does CT show? Explain all the abnormalities.
   
4. Does this patient have post-concussive syndrome?
   
5. How should this patient be managed?

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 Films CT15 - Revised 6/21/2005