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Infectious diarrhea is common in cases of ulcerative colitis (UC), caused by resistance to treatment. In particular, it has been associated with cytomegalovirus or infection has rarely been observed in human beings, but has never been seen in immunocompetent patients. We report a case of intestinal infection presenting as acute diarrhea in a patient with a 10-year history of UC who was never treated with immunosuppressants.

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The persistence of contrast agent signal in the wash-out phase of CEUS appears to reflect a disturbance of perfusion in glomerular capillaries in the early stages of GN. We found that the histological element directly correlated with the prolonged wash-out was mesangial hyperplasia.