Between December 1982 and November 1983, stool specimens from 15 children with acute lymphoblastic leukemia, who were on maintenance cancer chemotherapy, were examined weekly for the presence of Clostridium difficile and its toxin. Four out of 15 patients were positive for C. difficile: three patients had stool specimens that did not contain toxin, but cultures yielded growth of toxigenic C. difficile on only one occasion. The fourth patient, who had a recent history of hospitalization, particularly aggressive cancer chemotherapy, neutropenia, and antibiotic therapy, excreted both C. difficile and its toxin for at least 1 month. All children were asymptomatic at the time of positive cultures. This preliminary study reveals a low rate of C. difficile colonization in leukemic children on maintenance cancer chemotherapy.
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