Crohn’s disease with infliximab treatment complicated by rapidly progressing colorectal cancer: A case report

Figure 1 Images from abdominal contrast-enhanced computed tomography scan. A: Local dilatation and edema of the intestine and the disappearance of haustra of colon; B: There was no positive finding of rectum.

Figure 2 Images from abdominal positron emission tomography-computed tomography scan. A: There were multiple lesions with increased glucose metabolism in the abdominal cavity; B: The large soft tissue mass adjacent to the transversostomy had high levels of glucose metabolism; C: The ascending colon had high levels of glucose metabolism; D: Multiple nodules were present in the excavatio rectovesicalis with high levels of glucose metabolism.

Figure 3 Endoscopic and pathological findings from the rectum. A: Ten months later, colonoscopy via the anus revealed a mass 5 cm from the rectum; B: Pathological examination of the endoscopic biopsy specimen revealed well-differentiated adenocarcinoma in the rectum.

Figure 4 Pathological findings from the small nodular mass in the mesentery of the small bowel. A: The pathological evaluation revealed adenocarcinoma in fibrofatty tissue; B: Adenocarcinoma infiltration at high magnification.