Zhang et al. (6) presented data on the isolation and identification of Campylobacter species other than C. jejuni from biopsy specimens from children with Crohn's disease. Their data indicated that Campylobacter concisus is associated with inflammatory bowel disease in children. We also detected a case of inflammatory bowel disease associated with C. concisus isolated from a gastric biopsy specimen from a 10-year-old boy. The identity of the organism was confirmed as C. concisus by phenotypic and DNA-DNA hybridization studies (4). Retrospective analysis of adult and pediatric patient records indicated that C. concisus had been isolated from the stool specimens of four adults (one male; ages of 25 to 51 years) and two children (both males; ages of 11 and 12 years) diagnosed with Crohn's disease or ulcerative colitis (A. Lastovica, unpublished results).
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