Is colonoscopy a suitable investigation in the preoperative staging of ovarian cancer patients?

D. Ravizza, G. Fiori, C. Trovato, P. Maisonneuve, L. Bocciolone, C. Crosta

Research output: Contribution to journalArticlepeer-review


Background. During ovarian cancer surgery, colorectal resection may be required. In our institution, preoperative colonoscopy is performed in order to assess visceral involvement. Aims. The aim of this study was to evaluate the utility of preoperative colonoscopy in ovarian cancer patients and the prevalence of adenomas in this population. Patients. This retrospective study involved 144 consecutive patients with a supposed primary ovarian cancer. Methods. Mucosal infiltration, bowel wall elasticity and bowel fixation were used to predict colorectal infiltration. Endoscopic and pathological findings were compared. All the polyps observed were removed. Results. Six patients (4.2%) were excluded because of a misdia gnosed colorectal cancer metastatic to the ovary. Eight (6%) patients were considered, at endoscopy, to have a bowel infiltration and eight (6%), an uncertain infiltration. In 116 (88%), no signs of bowel infiltration were observed. The pathological analysis showed that colonoscopy had a low sensitivity (44%) in identifying bowel infiltration. Specificity was 100%, positive predictive value 100% and negative predictive value 92%. The overall accuracy was about 90%. Thirty-six adenomas were removed in 26 (20%) women. Conclusions. Colonoscopy identifies a not insignificant number of ovarian cancer patients requiring colorectal surgery. An increased prevalence of adenomas was not observed in this population.

Original languageEnglish
Pages (from-to)57-61
Number of pages5
JournalDigestive and Liver Disease
Issue number1
Publication statusPublished - Jan 2005


  • Colonoscopy
  • Colorectal cancer
  • Ovarian cancer
  • Preoperative assessment

ASJC Scopus subject areas

  • Gastroenterology


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