Family history of colorectal cancer as a risk factor for benign and malignant tumours of the large bowel. A case-control study

L. Bonelli, H. Martines, M. Conio, P. Bruzzi, H. Aste

Research output: Contribution to journalArticle

Abstract

The relationship between first degree family history of colorectal cancer and the risk of benign or malignant tumours of the large bowel was investigated in a case-control study. Two groups of cases (283 patients with adenomatous polyps and 414 patients with adenocarcinoma of the large bowel) and 2 groups of controls (399 polyp-free subjects and 456 hospitalized patients) were interviewed. Since no difference in the frequency of family history between the 2 control groups was detected, these were lumped together. A 3-fold increase in risk of adenomatous polyps in relatives of patients with colon cancer was observed (OR = 3.18, 95% CI 2.06-4.89). The relative risk of colorectal cancer among relatives of patients with adenocarcinoma was 2.36 (95% CI 1.54-3.60). No significant difference in the frequency of first degree relatives with a history of cancer of the large bowel was detected between patients with colorectal cancer and those with adenomatous polyps. When only history of colorectal cancer among parents was considered, the results closely paralleled those of the previous analysis.

Original languageEnglish
Pages (from-to)513-517
Number of pages5
JournalInternational Journal of Cancer
Volume41
Issue number4
Publication statusPublished - 1988

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Case-Control Studies
Colorectal Neoplasms
Adenomatous Polyps
Neoplasms
Colonic Neoplasms
Adenocarcinoma
Control Groups
Polyps
Parents

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

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Family history of colorectal cancer as a risk factor for benign and malignant tumours of the large bowel. A case-control study. / Bonelli, L.; Martines, H.; Conio, M.; Bruzzi, P.; Aste, H.

In: International Journal of Cancer, Vol. 41, No. 4, 1988, p. 513-517.

Research output: Contribution to journalArticle

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AU - Aste, H.

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