An unusual cause of colonic stricture with polyps

A 70-year-old man with no history of IBD was admitted to our department with right-sided abdominal pain and bloating. He was a non-smoker and a non-alcoholic drinker. Vital signs on initial examination were within normal range. Abdominal examination revealed a palpable tender mass (5×5 cm) in the right abdomen. Laboratory results were as follows: white cell count, 13.4×109/L; haemoglobin, 13.5 g/dL; platelet count, 311×109/L; erythrocyte sedimentation rate, 64 mm/hour; albumin, 3.62 g/dL; and C-reactive protein, 3.97 mg/dL. Abdominal CT revealed a thickening of the wall (localised high-density mass-forming lesion) in the ascending colon (figure 1A). …