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Intraluminal debris containing air bubbles (red arrow, mottled appearance) at the site of the obstruction, in the hypogastrium.
Note the dilated small bowel loops (yellow arrow) before the previously described intraluminal debris as well as the normal bowel loops after them (green arrow).
The length of the feces-like material is the key for differentiating faeces-sign from bezoar. Up to 5 cm in length may be regarded as an obstructing phytobezoar (blue arrow).