The clinical response to oral polymeric diet CT3211 is associated with mucosal healing and a down regulation of mucosal pro-inflammatory cytokine mRNA in both the terminal ileum and colon. In the ileum there was also an increase in transforming growth factor beta1 mRNA.

Aim-To determine interobserver and intra-observer agreement in the assessment of cytological grade and intraduct necrosis in pure duct carcinoma in situ (DCIS) of the breast. Methods-Sixty unselected cases with illustrated diagnostic criteria were circulated to 19 practising histopathologists. Results-Overall agreement was moderate for cytological grade in three categories: 71% agreement; weighted ( w), 0.36; intraduct necrosis in three categories (absent, present, extensive): 76% agreement; w, 0.57; and the Van Nuys classification system: 73% agreement; w, 0.48. Agreement was no better among observers participating in the National External Quality Assurance Programme. Intraobserver agreement for cytological assessment (69.6% agreement; w, 0.52) and intraduct necrosis (68.3% agreement; w, 0.48) was moderate, suggesting that individual variation rather than precision of criteria contributes to the lack of agreement. Conclusions-Moderate agreement on observations can be achieved by nonspecialist pathologists, with better agreement on necrosis than cytological grade. There was evidence of consistent individual bias towards over or under scoring cytological grade, which could be corrected with adequate and prompt feedback. (J Clin Pathol 2000;53:596-602)

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Endoscopic grasp biopsies are perfectly adequate for the assessment of small intestinal histology. In addition, endoscopy affords advantage in diagnosis of other upper gastrointestinal disease with avoidance of radiologic screening involved with the suction capsule technique.

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