Powell, A.G., Wallace, R., McKee, R.F., Anderson, J.H., Going, J.J., Edwards, J. and Horgan, P.G. (2012) The relationship between tumour site, clinicopathological characteristics and cancer-specific survival in patients undergoing surgery for colorectal cancer. Colorectal Disease, 14(12), pp. 1493-1499. (doi: 10.1111/j.1463-1318.2012.03048.x)
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Abstract
<b>Aim:</b> It is recognised that colorectal cancer may arise from different genomic instability pathways. There is evidence to suggest that colon and rectal cancers exhibit different clinicopathological features. We examined the relationship between tumour site, clinicopathological characteristics and cancer-specific survival in patients undergoing potentially curative resection for colorectal cancer.<p></p> <b>Method:</b> 411 patients who underwent surgery. Clinicopathological data including components of the Peterson index, Klintrup scores, haemoglobin and the modified Glasgow Prognostic Score (mGPS) were studied.<p></p> <b>Results:</b> There were 134 (33%) right sided, 125 (30%) left sided and 152 (37%) rectal tumours. Emergency presentation (P<0.001), anaemia (P<0.001), higher mGPS (P<0.001), advanced T stage (P<0.001), poor differentiation (P<0.001) and older age (P<0.05) were more commonly observed in right sided cancer. The mean follow-up was 94 months (minimum 36 months) and 114 patients died of cancer. There was no difference between tumour site and survival (P=0.427). On multivariate analysis older age (P=0.015), lymph node ratio (P<0.001), mGPS (P=0.028), Peterson Index (P<0.001) and Klintrup score (P=0.008) were independently related to cancer-specific survival. Klintrup score was only associated with poor cancer-specific survival in rectal cancer (P=0.009).<p></p> <b>Conclusion:</b> The study suggests that colorectal cancer is a group of heterogeneous tumours with different clinicopathological features. Despite this, there was no difference between tumour site and survival. The prognostic role of clinicopathological factors in tumours arising from different genomic instability pathways requires further study.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Horgan, Professor Paul and McKee, Dr Ruth and Edwards, Professor Joanne and Powell, Dr Arfon and Anderson, Mr John and Going, Dr James |
| Authors: | Powell, A.G., Wallace, R., McKee, R.F., Anderson, J.H., Going, J.J., Edwards, J., and Horgan, P.G. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Cancer Sciences College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing > Clinical Specialities |
| Journal Name: | Colorectal Disease |
| ISSN: | 1462-8910 |
| ISSN (Online): | 1463-1318 |
| Published Online: | 15 November 2012 |
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