Variations in histopathological evaluation of non-neoplastic colonic mucosal abnormalities; assessment and clinical significance.


The variation between three pathologists examining histological features seen in non-neoplastic colonic mucosa from 40 biopsies was analysed. Several procedures to express observer variation were used and compared, with emphasis on kappa statistics. Only five features, the presence of ulceration, villous surface, epithelioid granulomas, severe mucus… (More)


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