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J. coloproctol. (Rio J., Impr.) ; 35(4): 193-197, Oct.-Dec. 2015. tab, graf
Article in English | LILACS | ID: lil-770459

ABSTRACT

Objectives: To compare the interobserver variability in the diagnostic of serrated and non- serrated adenomatous lesions and hyperplastic polyps of colon between two groups of pathologists. Methods: 310 colorectal polyps were studied, with histological diagnoses established by a group of pathologists comprising three general pathologists for initial diagnosis, and two gastrointestinal pathologists for expert diagnosis. Results: High interobserver variability was observed in the diagnosis of serrated polyps, when comparing the initial diagnosis with the expert diagnosis (kappa = 0.102). For the majority of both traditional serrated adenomas and sessile serrated adenomas (27/31), a diagnosis of hyperplastic polyps was established at the initial diagnosis. Conclusions: Poor agreement was observed in the diagnosis of serrated polyps between the two groups of pathologists. The accuracy in the diagnosis of these lesions is essential for the prevention of colorectal cancer. (AU)


RESUMO Objetivo: Comparar a variabilidade interobservador dos diagnósticos das lesões adenomatosas serrilhadas e não serrilhadas e pólipos hiperplásicos do cólon entre dois comitê de patologistas. Métodos: Foram estudados 310 pólipos colorretais, diagnosticados histologicamente por um comitê de patologia, composto por três patologistas gerais para o diagnóstico inicial e por dois patologistas gastrointestinais para o diagnóstico dos especialistas. Resultados: Houve alta variabilidade interobservador no diagnóstico dos pólipos serrilhados, ao serem comparados o diagnóstico inicial com o diagnóstico dos especialistas (kappa = 0,102). A maioria das lesões adenomatosas serrilhadas sésseis e tradicionais (27/31) foi diagnosticada pelo diagnóstico inicial como pólipos hiperplásicos. Conclusões: Houve baixa concordância no diagnóstico dos pólipos serrilhados colorretais entre os dois comitês de patologistas. A acurácia desses diagnósticos é fundamental para a prevenção do carcinoma colorretal. (AU)


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Aged, 80 and over , Colonic Polyps/diagnosis , Colonic Polyps/pathology , Diagnostic Errors , Data Interpretation, Statistical
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