PMC6556855_01
Abdominal ultrasound, transverse view, revealed doughnut or bull s' sign, a pattern of intussusception. The patient gave his written consent to report this case and his clinical images.
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Abdominal ultrasound revealed distended small bowel loops and a doughnut sign in the ileo-cecal area (Fig. 1).
Coronal CT Scan with intravenous contrast demonstrating the intussusception of the small bowel into the ascending colon with the characteristic of double configuration of the intestinal wall (yellow arrow).
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Abdominal computed tomography scan with intravenous and oral contrast was suggestive of mechanical small bowel obstruction due to ileo-colic intussusception (Fig. 2).
Surgeon performed right hemicolectomy for ileocolic intussusception due to polypoidal tumor in the terminal ileum measuring 59 x 35 x 30 mm (black arrow). C = caecum.
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The excised ileo-colic segment showed a single, large polyp in the terminal ileum, which triggered the ileal invagination into the cecum (Fig. 3).
A. Representative section from the mass showing focal ulceration of colonic mucosa (arrowhead) with lightly cellular tumor involving the submucosa (thin arrow). B. Showing haphazardly arranged thin-walled capillaries and venules (thin arrow) surrounded by myxoid stroma (arrowhead). C-E. Showing thin-walled capillaries and venules (thin arrow) surrounded by myxoid stroma consisting of scattered spindle and star- shaped cells (arrowhead). F. Showing myxoid stroma with scattered star-shaped cells (arrowhead).
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This was consistent with a benign angiomyxoma (Fig. 4).