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(a, b) Contrast-enhanced computed tomography scan of the lower abdomen showing a large tumor (dotted line) bearing a thick and enhanced wall with an internal air-fluid level (arrow).
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CEA and CA19-9 were within normal ranges. Contrast-enhanced computed tomography (CT) scan showed an irregularly shaped tumor in the lower abdomen measuring approximately 9.5 cm x 9 cm x 5.5 cm (Fig. 1a, b).
Intraoperative photograph showing a tumor arising from the jejunal wall (arrow).
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The laparotomy revealed that the tumor arose from the jejunum wall, and was located 20 cm from the ligament of Treitz (Fig. 2).
Macroscopic findings of the tumor. (a) Gross appearance of the tumor. (b) A cavity surrounded by a thick tumor wall (arrow). (c, d) A small fistula between the cavity and intestinal lumen was observed.
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At macroscopic observation, the excised tumor, measuring 9 cm in diameter, was irregularly shaped with a soft tumor wall, and had a central cavity containing a large amount of pus (Fig. 3a, b). There was a small fistula between the cavity and the intestinal lumen (Fig. 3c, d).