Lower GI 2017

CASE

Colonoscopy: polipoid lesion of 1cm at the level of the linea dentata Pathology: squamous cell carcinoma, invasion cannot be assessed

DW-MRI: Diffusion restrictive lesion 37mm cranial from the anal verge, anteriorly and laterally located (right side). Not clearly visible on T1/T2-weighted images

18 F-FDG PET/CT: Moderate to strong hypermetabolism at the level of the anal canal No lymph nodes or hematogenous metastases