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A 54 year old man was treated with pegylated interferon alpha 2a 180 μg weekly and ribavirin 1000 mg daily for chronic hepatitis C genotype 3a (>5×105 IU/ml). There was no history of gastrointestinal disease or morbidity.
At week 12, hepatitis C virus-polymerase chain reaction (HCV-PCR) was negative and alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels remained elevated at 2–3 times above the upper limit. Continuation of this well tolerated therapy was planned until week 24.
However, at week 14, the patient reported a sudden onset of watery and sometimes bloody diarrhoea. Colonoscopy showed continuous pancolitis, macroscopically suggestive of inflammatory bowel disease (IBD). Histology revealed a severe highly active pancolitis with basal plasmocytosis, crypt abscesses, and crypt distortion, as seen in ulcerative colitis.
The antiviral treatment was stopped and treatment with prednisone and mesalazine (5-ASA) was initiated. Steroids were tapered over four weeks, which had been ongoing with clinical remission. 5-ASA was …
Footnotes
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Conflict of interest: None declared.
Footnotes
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Conflict of interest: None declared.