PMC201033_01
Computerized tomography appearance of a retained intraabdominal towel (yellow arrow). Note the air bubbles (red arrow) within the foreign body which absorbed the contrast agent.
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F1
However, contrast enhanced abdominal computerized tomography revealed a round well-defined soft-tissue mass with a dense, enhanced wall containing an internal high-density area with air-bubbles in the mid-abdomen (Figure 1).
Upper gastrointestinal contrast study showed a fistula (red interrupted ring) between the cavity containing the foreign body (yellow arrows) and the jejunum (green arrow).
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F2
Fistulization between the abscess cavity containing the suspicious mass and gastrointestinal tract at the level of proximal jejunum was identified by upper gastrointestinal series (Figure 2).
Retained laparotomy towel, 30 x 30 cm in size.
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F3
The jejunum was opened and one third of the towel was removed from the lumen. The rest was completely retrieved from the cavity (Figure 3).