EURORAD ESR

Case 3328

Extensor digitorum brevis manus: US and MRI findings

Author(s)
Reus M, Martínez F, Abellán D, Alonso J, Vázquez V
 
Patient
male, 38 year(s)
 
 
  • Figure 1
    Sonography of dorsum of the hand
     

    A transverse gray-scale sonograph of the dorsum of the hand showing anomalous muscle with a typical echo texture (straight arrow), located between the extensor tendons of the third and fourth digits (curved arrows).

     
    Area of Interest: unknown; Imaging Technique: Songraphy of dorsum of hand;

    A transverse gray-scale sonograph of the dorsum of the hand obtained during active finger extension, showing a muscle protruding dorsally between the third and fourth digits.

     
    Area of Interest: unknown; Imaging Technique: Songraphy of dorsum of hand;
     
     
  • Figure 2
    MRI of dorsum of the hand
     

    A T1-weighted axial MRI of the hand showing an ovoid mass of an intermediate signal intensity, similar to normal muscle, surrounding the extensor digitorum communis tendons (arrow).

     

    A T2-weighted axial MRI of the hand showing, just as in T1, an ovoid mass of an intermediate signal intensity (arrow).

     
     
     
A transverse gray-scale sonograph of the dorsum of the hand showing anomalous muscle with a typical echo texture (straight arrow), located between the extensor tendons of the third and fourth digits (curved arrows).
 
A transverse gray-scale sonograph of the dorsum of the hand obtained during active finger extension, showing a muscle protruding dorsally between the third and fourth digits.
 
A T1-weighted axial MRI of the hand showing an ovoid mass of an intermediate signal intensity, similar to normal muscle, surrounding the extensor digitorum communis tendons (arrow).
 
A T2-weighted axial MRI of the hand showing, just as in T1, an ovoid mass of an intermediate signal intensity (arrow).
 
 
 
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