Observer variability in histopathological reporting of non-small cell lung carcinoma on bronchial biopsy specimens

被引:27
作者
Burnett, RA
Howatson, SR
Lang, S
Lee, FD
Lessells, AM
McLaren, KM
Nairn, ER
Ogston, S
Robertson, AJ
Simpson, JG
Smith, GD
Tavadia, HB
Walker, F
机构
[1] University of Glasgow, Department of Pathology, Western Infirmary
关键词
histopathology audit; lung cancer; non-small cell carcinoma;
D O I
10.1136/jcp.49.2.130
中图分类号
R36 [病理学];
学科分类号
100104 ;
摘要
Aims-To evaluate the ability of histopathologists to sub-classify non-small cell lung carcinomas on bronchial biopsy material using the current World Health Organisation (WHO) classification. Methods-Twelve histopathologists each reviewed 100 randomly selected bronchial biopsy specimens which had originally been reported as showing non-small cell lung carcinoma. For each case, two sections were circulated, one stained by haematoxylin and eosin and the other by a standard method for mucin (alcian blue/periodic acid Schiff). The participants were allowed to indicate their degree of confidence in their classification of each case. A standard proforma was completed and the results were analysed using kappa statistics. Results-Where the participants were confident in their classification, they were actually quite good at sub-classifying the non-small cell carcinoma sections (kappa=0.71, standard error=0.058). Overall, however, the results were only fair (kappa=0.39, standard error=0.034). Conclusions-The majority of non-small cell lung carcinomas can be correctly categorised on adequate bronchial biopsy material. Where a confident diagnosis was made, both squamous carcinoma (kappa=0.73) and adenocarcinoma (kappa=0.83) were well recognised.
引用
收藏
页码:130 / 133
页数:4
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