Johanna Köhler, Randolf Hammerl, Daniel M Mayer, Johannes Fessler, Cord Langner
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引用次数: 0
Abstract
Adverse drug reactions frequently involve the gastrointestinal tract. We present two cases of colitis that occurred months to years after chemotherapy and autologous stem cell transplantation for the treatment of lymphoma. Laboratory tests revealed altered immune status with decreased CD4/CD8 ratio and hypogammaglobinemia (in one patient). The patients had no history of inflammatory bowel disease or immunodeficiency. Biopsies showed chronic active colitis with crypt architectural distortion, erosions, and ulcers as well as pyloric gland metaplasia and loss of plasma cells (in one patient, respectively). Colitis appeared to be related to lymphoma therapy, but could not be attributed to a distinct drug or infectious agent, suggesting the concept of persistent immune dysregulation driving mucosal inflammation. Hence, we suggest "immune dysregulation-associated colitis" (ID-colitis) as an umbrella term for cases of chronic colitis, in which immune dysfunction is evident from blood samples or clinical information and inflammatory bowel disease has been ruled out.
期刊介绍：
Manuscripts of original studies reinforcing the evidence base of modern diagnostic pathology, using immunocytochemical, molecular and ultrastructural techniques, will be welcomed. In addition, papers on critical evaluation of diagnostic criteria but also broadsheets and guidelines with a solid evidence base will be considered. Consideration will also be given to reports of work in other fields relevant to the understanding of human pathology as well as manuscripts on the application of new methods and techniques in pathology. Submission of purely experimental articles is discouraged but manuscripts on experimental work applicable to diagnostic pathology are welcomed. Biomarker studies are welcomed but need to abide by strict rules (e.g. REMARK) of adequate sample size and relevant marker choice. Single marker studies on limited patient series without validated application will as a rule not be considered. Case reports will only be considered when they provide substantial new information with an impact on understanding disease or diagnostic practice.
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