PMC4900436_01
Ultrasonographic image in transverse section: hypoechoic outer layer of edematous bowel wall with echogenic layers, known as the "bulls-eye" or "target" signs, which are characteristic images in intussusception.
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He was investigated with an abdominal ultrasound which revealed an image of ileocecal intussusception (Fig. 1).
Axial CT of the abdomen: shows the edematous wall of the intussuscipiens, the "target" sign, suggesting ileocecal intussusception.
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The computed tomography (CT) scan revealed an image of intussusception at the cecum, the intussusceptum being a 12 mm hypodense, tubular image that seemed to be the appendix (Fig. 2).
Endoscopic examination revealed a pediculated lesion, with the base near ileocecal valve, occupying most of ascending colic lumen.
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He underwent colonoscopy which demonstrated a pediculated tubular lesion, with the base near ileocecal valve, occupying most of ascending colic lumen (Fig. 3).
Bowel wall is cut away, revealing the mass emanating near the base of the appendix.
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Laparotomy confirmed an ileocecal intussusception with the lead point at a cecal neoplasm that reached the base of the enlarged appendix; a right hemicolectomy was performed (Fig. 4).