Iatrogenic rectal perforation due to application of topical treatment in a patient with ulcerative colitis: a rare complication.

Rectal perforations due to topical treatments (enemas or foams) are unusual complications and they have been mostly reported in the use of barium enemas or in elderly patients with constipation. Very little has been reported about perforations secondary to topical treatment in patients with ulcerative colitis. We present the case of a patient with ulcerative colitis who suffered a rectal perforation complicated with a superinfected collection after the application of topical mesalazine foam.

Abdominal ultrasound and its significant role in colon cancer. The advantage of its dynamic nature: using respiratory movements to assess neoplasia relations to adjacent organs.

A 58-year-old, otherwise healthy male presented to the Emergency Room due to a 24-hour-long bloody diarrhea and constitutional syndrome. Colonoscopy confirmed the presence of a colonic neoplasia. A CT scan revealed an irregular surface and poorly delimited hypodensity of liver segment 5, next to the neoplasia, with malignant infiltration being impossible to rule out.