PMC9891157_01
(A) Scout image of abdomen showing linear low density streaking along the wall of bowel loops (arrow) indicating pneumatosis of small bowel. (B-E) Axial CT of the upper abdomen with soft tissue and lung windows showing long segment small bowel intussusception of proximal small bowel loops, jejunal loops (white arrows) with intramural air (black arrows). The wall of intussusceptum is imperceptible with faint contrast enhancement (White arrow head). The transition point of the intussusception is seen collapsed without lead point (Black arrow head). Proximal small bowel loops are dilated.
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Intraoperative picture of the intussusception.
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See Figures 2 and 3 There was a marked lumen discrepancy between the proximal and distal segments.
The resected Intussusceptum.
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See Figures 2 and 3 There was a marked lumen discrepancy between the proximal and distal segments.
(A) The arrow shows the constricted segment, about 5cm proximal to the distal end. (B) The arrow shows the constricted segment, about 5cm proximal to the distal end (the same picture with a closer view).
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See Figures 4A and B The patient had an uneventful post-operative course, and she was discharged on the sixth post-operative day.
Section shows mucosal ulceration, hemorrhage and necrosis which are features of transmural hemorrhagic infarction.
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Section taken from narrowed segment shows ulcerated mucosa and transmural neutrophilic infiltration.
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-Section from the constricted segment see Figure 6, shows ulcerated mucosa, transmural intense neutrophilic infiltrates and thick collagen bundles in the lamina propria and submucosal layer.