EURORAD ESR

Case 14471

Sigmoid Colon Endometriosis: Mimicking Sigmoid Colon Carcinoma with Extra-serosal Involvement

Author(s)
YEO Junjie, HAJA MOHIDEEN Salahudeen Mohd

Singapore General Hospital, Outram Road, Singapore; Email:hmdsal@gmail.com
 
Patient
female, 48 year(s)
 
 
  • Figure 1
    Axial Pelvic Section of IV contrast enhanced CT

    The sigmoid lumen was opacified with rectal contrast. This demonstrates eccentric mural thickening and stenosis of the sigmoid colon (blue arrow). Mild adjacent fat stranding noted.

     
    Area of Interest: Abdomen; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Inflammation;
     
     
  • Figure 2
    Coronal contrast enhanced CT of pelvis

    Coronal Section of contrast enhanced CT (with rectal contrast) shows eccentric mural thickening (blue arrow) at the mesenteric aspect of the proximal sigmoid colon.

     
    Area of Interest: Abdomen; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Inflammation;
     
     
  • Figure 3
    Axial Section of contrast enhanced CT

    This image demonstrates significant narrowing of the sigmoid colon by the eccentrically located mass lesion (blue arrow). No significant proximal bowel dilation observed.

     
    Area of Interest: Abdomen; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Inflammation;
     
     
  • Figure 4
    Axial Section of contrast enhanced CT

    This section demonstrates multiple small hypodense/cystic foci at the Pouch of Douglas (blue arrowheads) suggestive of endometriotic deposits.

     
    Area of Interest: Abdomen; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Inflammation;
     
     
The sigmoid lumen was opacified with rectal contrast. This demonstrates eccentric mural thickening and stenosis of the sigmoid colon (blue arrow). Mild adjacent fat stranding noted.
 
Coronal Section of contrast enhanced CT (with rectal contrast) shows eccentric mural thickening (blue arrow) at the mesenteric aspect of the proximal sigmoid colon.
 
This image demonstrates significant narrowing of the sigmoid colon by the eccentrically located mass lesion (blue arrow). No significant proximal bowel dilation observed.
 
This section demonstrates multiple small hypodense/cystic foci at the Pouch of Douglas (blue arrowheads) suggestive of endometriotic deposits.
 
 
 
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