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Outcome after multiple colorectal tumours

B Bekdash1, S Harris, C I Broughton

  • 1Department of Surgery, Royal Surrey County Hospital, Guildford, UK.

The British Journal of Surgery
|November 15, 1997
PubMed
Summary
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Patients with multiple colorectal cancers face different outcomes. Metachronous tumors (occurring later) had a 75% survival rate, while synchronous tumors (occurring at the same time) had only an 18% survival rate.

Area of Science:

  • Oncology
  • Gastroenterology
  • Cancer Research

Background:

  • Patients with primary colorectal cancer have an increased risk of developing secondary tumors, either synchronously or metachronously.
  • Understanding the characteristics and outcomes of patients with multiple colorectal tumors is crucial.

Purpose of the Study:

  • To investigate the differences in characteristics and outcomes between patients with synchronous and metachronous colorectal tumors.
  • To identify potential factors influencing the prognosis of patients with multiple colorectal cancers.

Main Methods:

  • Retrospective analysis of 1009 patients with colorectal cancer.
  • Identification of patients with multiple primary tumors (synchronous and metachronous).
  • Review of perioperative investigations, follow-up patterns, pathological variables, and patient outcomes.

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Main Results:

  • 39 patients had synchronous tumors and 22 had metachronous tumors.
  • No significant difference in Dukes classification between synchronous and metachronous groups.
  • Five-year survival was 75% for metachronous tumors versus 18% for synchronous tumors.

Conclusions:

  • Patients with metachronous colorectal tumors demonstrated significantly better outcomes compared to those with synchronous tumors.
  • No identifiable demographic or clinical factors explained the difference in outcomes.
  • Further research is needed to explore factors like tumor biology and host resistance in patients with multiple colorectal cancers.