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Assessment of the Cardiff nephrectomy cut-up protocol with total blocking of the renal sinus: effect on tumour staging and practical issues
  1. E J Soilleux,
  2. I S D Roberts
  1. Department of Cellular Pathology, John Radcliffe Hospital, Headington, Oxford, UK
  1. Correspondence to:
    I S D Roberts
    Department of Cellular Pathology, John Radcliffe Hospital, Headley Way, Headington, Oxford OX3 9DU, UK; ian.roberts{at}orh.nhs.uk

Abstract

Aim: To evaluate the effects on detection of vascular invasion and workload of a new standard dissection protocol for examining nephrectomy specimens for renal cell carcinoma.

Methods: Using 192 consecutive renal cell carcinoma nephrectomy specimens, the incidence of vascular invasion and number of tissue blocks per tumour were compared before and after introduction of the new protocol.

Results: The Cardiff protocol increased the percentage of tumours staged as T3b (renal sinus or hilar vein invasion) from 37.7% to 55.7% cases (p<0.001), with an increase from 9.1% to 21.7% of those staged as T3b due to renal sinus vein invasion alone (p<0.01). A small, but significant, permanent increase in workload was observed from an average of 11.7 to 13.4 blocks per case (p<0.001).

Conclusions: This protocol is suitable for use in routine practice to evaluate pathological prognostic determinants important for clinical management, while causing only a small increase in workload.

  • RCC, renal cell carcinoma
  • RSVI, renal sinus vein invasion

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Footnotes

  • Competing interests: None declared.

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