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Small-Bowel Bezoar Versus Small-Bowel Feces: CT Evaluation

¹ Service de Radiologie A, CHU Jean Minjoz, 3 Bvd Fleming, 25030 Besançon, France.
² Service de Chirurgie Digestive, CHU Jean Minjoz, Besançon, France.

View larger version (158K): [in this window] [in a new window] [as a PowerPoint slide]   Fig. 1 —52-year-old woman with small-bowel bezoar. Coronal contrast-enhanced CT scan with adapted window setting (level, –50 HU; width, 500 HU) shows well-defined intraluminal mass containing gas and fat-density debris (arrow) floating in bowel lumen proximal to obstructive bezoar.

View larger version (153K): [in this window] [in a new window] [as a PowerPoint slide]   Fig. 2 —75-year-old man with small-bowel feces. Axial contrast-enhanced CT scan with adapted window setting (level, –50 HU; width, 500 HU) shows amorphous intraluminal mass containing gas.

View larger version (170K): [in this window] [in a new window] [as a PowerPoint slide]   Fig. 3 —85-year-old woman with small-bowel bezoar. Axial contrast-enhanced CT scan with adapted window setting (level, –50 HU; width, 500 HU) shows well-defined intraluminal mass containing gas. Note encapsulating wall (arrowheads).

View larger version (115K): [in this window] [in a new window] [as a PowerPoint slide]   Fig. 4 —69-year-old man with small-bowel bezoar. Axial contrast-enhanced CT scan with adapted window setting (level, –50 HU; width, 500 HU) shows well-defined intraluminal mass containing gas in stomach similar to gastric bezoar.

View larger version (175K): [in this window] [in a new window] [as a PowerPoint slide]   Fig. 5 —68-year-old man with small-bowel bezoar. Axial contrast-enhanced CT scan with adapted window setting (level, –50 HU; width, 500 HU) shows well-defined mass containing gas (arrow) at transition zone. Many fat-density debris floating in dilated bowel loops proximal to obstructive small-bowel bezoar (arrowheads) are also visible.

View larger version (155K): [in this window] [in a new window] [as a PowerPoint slide]   Fig. 6 —53-year-old woman with small-bowel bezoar. Axial contrast-enhanced CT scan with adapted window setting (level, –50 HU; width, 500 HU) shows well-defined ovoid mass containing gas (arrowheads) at site of obstruction. Note presence of fat-density debris (arrow) floating in bowel lumen proximal to obstructive bezoar.

View larger version (167K): [in this window] [in a new window] [as a PowerPoint slide]   Fig. 7 —60-year-old man with small-bowel bezoar. Axial contrast-enhanced CT scan with adapted window setting (level, –50 HU; width, 500 HU) shows ovoid mass with mottled gas pattern (arrowheads) at transition zone. Floating fat-density debris sign (arrow) is also seen.

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