The new proposed serological markers are significantly associated with Crohn's disease, with low sensitivity but good specificity. About one third of anti-Saccharomyces-negative patients may be positive for at least 1 of those markers. Antiglycan antibodies appear to be associated with characteristic localization and phenotype of the disease.

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These findings suggest that PCT is not a useful predictive marker of infection in oncohematologic neutropenic patients, even though higher serum PCT concentrations are associated with hematological tumors as well as in-hospital admission.

No abstract