Digestive tract segmentation on CT

Along the digestive tract on a CT scan, MOOSE outlines the esophagus, duodenum, small bowel, and colon as four separate structures. Researchers use them to compare bowel volumes between groups, relate colon volume to diet, and estimate colon length corrected for height. On PET or SPECT, uptake can be read per segment, with the liver as a reference region.

Find answers to research questions like: How do colon and small bowel volumes differ between groups? How do digestive tract volumes vary with age and sex? How does uptake differ between the esophagus, duodenum, small bowel, and colon?

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Axial slice of neck to thigh CT, outlined: Colon, Duodenum, Small bowel
Axial
Sagittal slice of neck to thigh CT, outlined: Colon, Duodenum, Esophagus, Small bowel
Sagittal
Coronal slice of neck to thigh CT, outlined: Colon, Duodenum, Esophagus, Small bowel
Coronal

Found in this example

  • Colon
  • Duodenum
  • Esophagus
  • Small bowel

Example scan: neck to thigh CT, TotalSegmentator dataset