PMC7467618_01
axial view of a CT scan of the abdomen showing a lipoma of 6cm of diameter filling the rectum and being the lead point to a colorectal intussusception (yellow arrow)
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F1
C/ml) and C-reactive protein (CRP = 170 mg/l). Computed tomography scan (CT) of the abdomen showed a 6cm soft-tissue mass with fat density within the rectum likely to be the lead point for a colorectal intussusception (Figure 1).
axial view of a CT scan of the abdomen showing the colo-rectal intussusception (A) with invaginated mesenteric fat and parietal pneumatosis (redarrow) (B)
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F2
Large bowel loops were dilated with the presence of parietal pneumatosis (Figure 2).
intraoperative view of the colo-rectal intussusception
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F3
Given the presence of signs of occlusion and bowel wall compromise, an emergency laparotomy was performed revealing a large bowel distension preceding a colo-rectal intussusception (Figure 3).
(A) gross examination showing a round pedunculated colonic lipoma measuring 6cm; (B) microscopic examination revealing fat cells proliferating in the submucosal layer, with inflammatory and ischemic changes
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F4
Gross examination of the resected specimen showed the presence of a round pedunculated colonic lipoma measuring 6cm (Figure 4). Microscopic examination revealed fat cells proliferating in the submucosal layer, with inflammatory and ischemic changes and without any evidence of malignancy (Figure 4).