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Surgical Case Reports
Fig. 1 | Surgical Case Reports

Fig. 1

From: A case report of anal fistula-associated mucinous adenocarcinoma developing 3 years after treatment of perianal abscess

Fig. 1

Imaging studies. a Transanal ultrasonography revealed a fistula-like structure with unclear boundaries in the intersphincteric layer at the time of the perianal abscess 3 years previously (arrow). b Anal fistula was expanded with hypoechoic content at the time FAMC was diagnosed. c [18F]-Fluoro-2-deoxy-d-glucose (FDG)–positron emission tomography/computed tomography showed lymphadenopathy in the right internal iliac and inguinal regions with abnormal FDG accumulation (arrows)

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