EURORAD ESR

Case 1694

Large bowel obstruction caused by carcinoma of the sigmoid colon: CT features

Author(s)
JC Le Van An, E. Maissiat, R. Jelassi, F. Réty
 
Patient
female, 81 year(s)
 
 
  • Figure 1
    Abdominal plain films
     

    Supine abdominal plain film showing dilated loop.

     
    Area of Interest: unknown; Imaging Technique: Abdominal plain films;

    Left lateral decubitus position show bowel air-fluid levels.

     
    Area of Interest: unknown; Imaging Technique: Abdominal plain films;
     
     
  • Figure 2
    CT scans above the obstruction site
     

    Axial contrast-enhanced CT scan demonstrating dilated small bowel loops, and caecum, right colon, transverse colon and left colon, which are fluid filled.

     
    Area of Interest: unknown; Imaging Technique: CT scans above the obstruction site;

    Annotated image.

     
    Area of Interest: unknown; Imaging Technique: CT scans above the obstruction site;
     
     
  • Figure 3
    CT scans below the obstruction site
     

    Axial contrast-enhanced CT scan demonstrating collapsed sigmoid colon below the obstruction site.

     
    Area of Interest: unknown; Imaging Technique: CT scans below the obstruction site;

    Annotated image.

     
    Area of Interest: unknown; Imaging Technique: CT scans below the obstruction site;
     
     
  • Figure 4
    CT scans, transition zone
     

    Axial contrast-enhanced CT scan demonstrating stricturing sigmoid colon with shouldering.

     
    Area of Interest: unknown; Imaging Technique: CT scans, transition zone;

    Annotated image.

     
    Area of Interest: unknown; Imaging Technique: CT scans, transition zone;
     
     
  • Figure 5
    CT scans with reconstruction
     

    CT scan with coronal reconstruction showing a stricture of sigmoid colon with shouldering, with dilated bowel above the stricture and collapsed sigmoid colon below.

     
    Area of Interest: unknown; Imaging Technique: CT scans with reconstruction;

    CT scan with sagittal reconstruction showing a stricture of sigmoid colon with shouldering, with dilated bowel above the stricture and collapsed sigmoid colon below.

     
    Area of Interest: unknown; Imaging Technique: CT scans with reconstruction;
     
     
Supine abdominal plain film showing dilated loop.
 
Left lateral decubitus position show bowel air-fluid levels.
 
Axial contrast-enhanced CT scan demonstrating dilated small bowel loops, and caecum, right colon, transverse colon and left colon, which are fluid filled.
 
Annotated image.
 
Axial contrast-enhanced CT scan demonstrating collapsed sigmoid colon below the obstruction site.
 
Annotated image.
 
Axial contrast-enhanced CT scan demonstrating stricturing sigmoid colon with shouldering.
 
Annotated image.
 
CT scan with coronal reconstruction showing a stricture of sigmoid colon with shouldering, with dilated bowel above the stricture and collapsed sigmoid colon below.
 
CT scan with sagittal reconstruction showing a stricture of sigmoid colon with shouldering, with dilated bowel above the stricture and collapsed sigmoid colon below.
 
 
 
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