PMC10437060_01
(A) Fused positron emission tomography-computed tomography (PET-CT) images using 18F-2-deoxy-2-fluoro-D-glucose (18. F-FDG). Increased 18F-fluorodeoxyglucose uptake in the peripheral region of the abdominal mass (yellow arrow) is observed in dorsal plane. (B) Representative computed tomography image of postcontrast. The yellow arrow indicates the peripheral region that is hyperattenuating. The dotted line indicates the central region that is hypoattenuating. (C) Region of the interest (ROI) was drawn in the transverse plane for the abdominal mass. Maximal standardized uptake value (SUV) is 4.747 and mean SUV is 2.590. Contrast enhancement is seen in the peripheral region of the abdominal mass.
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F1
The peripheral region of the suspected abdominal mass showed a high level of 18F-FDG uptake (Figure 1).
Yellow arrows indicate an ovoid, well-defined, soft tissue opque mass on (A) left lateral and (B) ventrodorsal radiographs of the caudal portion of the abdomen.
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F2
Radiographs of the abdomen showed a 2.76 x 3.76 cm radiopaque mass at the left caudoventral region of the abdominal cavity (Figure 2).
Transverse ultrasonographic view of the mass-like structure at the medial part of the descending colon. Yellow arrow indicates no evidence of continuity to the gastrointestinal tract with echogenic stripes associated with strong acoustic shadowing. On a color Doppler scan, no vascularization or twinkling artifacts were discovered.
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F3
No obvious continuity to the gastrointestinal tract was observed (Figure 3).
Intraoperative photograph during exploratory laparotomy (A) and retained gauze photograph (B) after sectioning of the mass. The mass was proved to contain a surgical sponge consistent with a diagnosis of gossypiboma.
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F4
Its composition and structure conformed as surgical sponges, which was consistent with gossypiboma (Figure 4).