EURORAD ESR

Case 464

Epidermoid tumor of the cerebellopontine angle

Author(s)
T. Hagen, G. Schröter, J. Wellnitz, T. Würstle
 
Patient
male, 51 year(s)
 
 
  • Published 11.12.2000
  • DOI 10.1594/EURORAD/CASE.464
  • Section Neuroradiology
  • Case Type Clinical Cases
  • Difficulty Resident
  • Views 3471
  • Language(s)
  • Figure 1
    Turbo spin echo, T2-weighted, transversal

    Cystic mass in the left cerebellopontine angle with compression of the pons.

     
    Area of Interest: unknown; Imaging Technique: Turbo spin echo, T2-weighted, transversal;
     
     
  • Figure 2
    FLAIR, coronal (a) and transversal (b)
     

    Flow artifacts in the cerebellopontine angle. The mass cannot be distinguished from cerebrospinal fluid.

     
    Area of Interest: unknown; Imaging Technique: FLAIR, coronal (a) and transversal (b);

    No annotation

     
    Area of Interest: unknown; Imaging Technique: FLAIR, coronal (a) and transversal (b);
     
     
  • Figure 3
    Spin echo, T1-weighted with Gd, transversal

    The mass shows no enhancement.

     
    Area of Interest: unknown; Imaging Technique: Spin echo, T1-weighted with Gd, transversal;
     
     
  • Figure 4
    Diffusion-weighted MRI b=1000s/mm2)

    The mass presents with high signal due to restricted diffusion, compared to brain and cerebrospinal fluid. In case of an arachnoid cyst signal intensity would be equivalent to cerebrospinal fluid.

     
    Area of Interest: unknown; Imaging Technique: Diffusion-weighted MRI b=1000s/mm2);
     
     
Cystic mass in the left cerebellopontine angle with compression of the pons.
 
Flow artifacts in the cerebellopontine angle. The mass cannot be distinguished from cerebrospinal fluid.
 
 
The mass shows no enhancement.
 
The mass presents with high signal due to restricted diffusion, compared to brain and cerebrospinal fluid. In case of an arachnoid cyst signal intensity would be equivalent to cerebrospinal fluid.
 
 
 
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