A case of small bowel adenocarcinoma in a patient with Crohn’s disease detected by PET/CT and double-balloon enteroscopy

Figure 1 CT findings. A: Abdominal CT showed the multiple hepatic tumors with ring enhancement; B: Wall thickening of a part of the small bowel (arrow).

Figure 2 PET/CT findings. A: Wall thickening of a part of ileum (arrow). B: PET/CT showed ¹⁸F-FDG accumulation in the site of wall thickening of ileum (arrow).

Figure 3 DBE findings. A: DBE showed ulcerative mass located in the ileum at about 100 cm away from ileocecal valve; B: Some longitudinal ulcer scars near the tumor.

Figure 4 Histopathological findings of the biopsy specimen showed poorly differentiated adenocarcinoma. A: HE (× 100), B: HE (× 400), C: Immunohistochemical staining using β-catenin antibody (× 100), D: Immunohistochemical staining using p53 antibody (× 100).