Caput Medusa

Neuroimaging Presentation

A 35-year-old woman underwent MRI of the head (Figure 1). No further information regarding presenting symptoms is available.


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Figure 1.

Noncontrast axial T1-weighted and T2-weighted brain MRI scans. (From: Bakshi R, Ketonen L. Brain MRI in clinical neurology. In: Joynt RJ, Griggs RC, eds. Baker's Clinical Neurology on CD-ROM. Philadelphia: Lippincott, Williams & Wilkins; 2001. Published with permission.)

The finding shown by the arrows is most likely:

1. 
   Normal
   
2. 
   Neoplastic
   
3. 
   Infectious
   
4. 
   Stroke
   
5. 
   Vascular malformation
   

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True or false? The lesion contains CSF.

1. 
   True
   
2. 
   False
   

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