EURORAD ESR

Case 1636

Epiploic appendagitis: grey-scale and colour Doppler sonographic findings

Author(s)
A. Hollerweger
 
Patient
male, 30 year(s)
 
 
  • Figure 1
    Abdominal ultrasonography
     

    A transverse sonogram in the left lower quadrant at the point of maximum tenderness shows a moderately hyperechoic ovoid mass (arrows) adjacent to the colon (arrowheads). The mass is partially surrounded by a...

     
    Area of Interest: unknown; Imaging Technique: Abdominal ultrasonography;

    This sonogram also shows the non-compressible hyperechoic lesion (arrows) and a slight mass effect of the lesion on the abdominal wall when compression is applied.

     
    Area of Interest: unknown; Imaging Technique: Abdominal ultrasonography;

    Tissue-harmonic imaging better delineates the hyperechoic infarcted appendage (arrows) from adjacent tissue.

     
    Area of Interest: unknown; Imaging Technique: Abdominal ultrasonography;

    A colour-Doppler sonogram does not reveal any colour flow in the infarcted appendage (arrows). In contrast, moderately increased colour flow is visible in the adjacent tissue because of inflammatory reactions.

     
    Area of Interest: unknown; Imaging Technique: Abdominal ultrasonography;
     
     
  • Figure 2
    Abdominal CT

    This CT scan shows the typical biconvex lesion (short arrows) with a central hyperdense line (long arrow). Only slight perilesional fat stranding is visible. The colonic wall appears normal.

     
    Area of Interest: unknown; Imaging Technique: Abdominal CT;
     
     
A transverse sonogram in the left lower quadrant at the point of maximum tenderness shows a moderately hyperechoic ovoid mass (arrows) adjacent to the colon (arrowheads). The mass is partially surrounded by a hypoechoic rim. There is no thickening of the colonic wall.
 
This sonogram also shows the non-compressible hyperechoic lesion (arrows) and a slight mass effect of the lesion on the abdominal wall when compression is applied.
 
Tissue-harmonic imaging better delineates the hyperechoic infarcted appendage (arrows) from adjacent tissue.
 
A colour-Doppler sonogram does not reveal any colour flow in the infarcted appendage (arrows). In contrast, moderately increased colour flow is visible in the adjacent tissue because of inflammatory reactions.
 
This CT scan shows the typical biconvex lesion (short arrows) with a central hyperdense line (long arrow). Only slight perilesional fat stranding is visible. The colonic wall appears normal.
 
 
 
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