Fig. 1
From: Outcomes of surgical treatment in patients with anorectal fistula cancer
The findings of [18F]-fluoro-2-deoxy-d-glucose (FDG)-positron emission tomography/computed tomography (PET/CT) (a) and Hematoxylin–eosin staining of resected specimen (b, c, d) in the presented case of mucinous adenocarcinoma (case 7). a PET/CT image shows abnormal accumulation of FDG in the tumor. b Tumor cells are found floating in the abscess derived from the anorectal fistula. c Rich mucinous production is found in the tumor. Infiltration of inflammatory cells was also observed around the tumor. d The infiltration of many inflammatory cells was found around the tumor cells