Case of the Month: November, 2011, Page 2

Diagnosis: E. Epidermoid.

Additional Imaging:

( Click here for larger image. )

( Click here for larger image. )

( Click here for larger image. )

Discussion:

  • Congenital Inclusions cysts.
  • 90% are intradural, primarily in the Basal Cisterns
  • 40-50 % in the CP angle
  • T1WI: slightly hyperintense to CSF
  • T2WI: isointense to slightly hyperintense to CSF
  • FLAIR: does not completely null
  • DWI: high signal
  • ADC: brain parenchyma

 

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