EURORAD ESR

Case 1308

A rare localisation of a Schwannoma arising in the right thenar eminence

Author(s)
M. Almberger, E. Iannicelli, G.Rossi.
 
Patient
male, 57 year(s)
 
 
  • Figure 1
    Ultrasonogram of the right hand.

    Ultrasonogram of the right hand at the thenar eminence, showing an inhomogeneous solid mass with well-defined borders.

     
    Area of Interest: unknown; Imaging Technique: Ultrasonogram of the right hand.;
     
     
  • Figure 2
    MR imaging of the right hand.
     

    SE T1-weighted image (TR/TE: 720/26 ms) showing a clear-bordered mass with regular edges, with higher signal intensity than muscle.

     
    Area of Interest: unknown; Imaging Technique: MR imaging of the right hand.;

    The lesion shows very high signal intensity on SE T2-weighted image (TR/TE: 2210/90 ms)

     
    Area of Interest: unknown; Imaging Technique: MR imaging of the right hand.;

    The lesion shows very high signal intensity on STIR sequences (TR/TE:1280/16 ms).

     
    Area of Interest: unknown; Imaging Technique: MR imaging of the right hand.;

    Note the marked, slightly inhomogeneous enhancement of the lesion after i.v. gadolinium administration.

     
    Area of Interest: unknown; Imaging Technique: MR imaging of the right hand.;
     
     
  • Figure 3
    Resected specimen.
     

    Intraoperative view of the resected specimen.

     
    Area of Interest: unknown; Imaging Technique: Resected specimen.;

    Macroscopic picture of the resected specimen.

     
    Area of Interest: unknown; Imaging Technique: Resected specimen.;
     
     
Ultrasonogram of the right hand at the thenar eminence, showing an inhomogeneous solid mass with well-defined borders.
 
SE T1-weighted image (TR/TE: 720/26 ms) showing a clear-bordered mass with regular edges, with higher signal intensity than muscle.
 
The lesion shows very high signal intensity on SE T2-weighted image (TR/TE: 2210/90 ms)
 
The lesion shows very high signal intensity on STIR sequences (TR/TE:1280/16 ms).
 
Note the marked, slightly inhomogeneous enhancement of the lesion after i.v. gadolinium administration.
 
Intraoperative view of the resected specimen.
 
Macroscopic picture of the resected specimen.
 
 
 
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