Adult intussusception secondary to an ileum hamartoma

Figure 1 Plain abdominal film showed dilated bowel loops and air-fluid levels.

Figure 2 Ultrasonographic feature of a “target” sign on a transverse view (A), and a “sausage-shaped image” in a longitudinal view (B).

Figure 3 Distended bowel proximal to the intussusception (A), open surgical specimen showing a 3 cm pedunculated-type polypoid tumor (B).

Figure 4 Histopathologic appearance of the ileal tumor showing an active mesenchymal lesion, with no malignant transformation (Masson’s trichrome stain, × 10).