Survival benefit associated with surgical oophorectomy in patients with colorectal cancer metastatic to the ovary

Clin Colorectal Cancer. 2012 Sep;11(3):191-4. doi: 10.1016/j.clcc.2011.12.003. Epub 2012 Jan 26.

Abstract

Background and objectives: The purpose of this study was to determine the outcome of patients with colorectal cancer metastatic to the ovary and the impact of surgical oophorectomy on the outcome.

Methods: We conducted a retrospective evaluation of patients with metastatic colorectal cancer to the ovary. Of 3776 female patients with colorectal cancer seen at MD Anderson from 2001-2008, 110 (2.9%) were identified as having metastases to the ovary. The Kaplan-Meier method and log-rank test were used to examine the survival functions.

Results: Seventy-one patients (64.5%) had disease metastatic to the ovary at the time of initial presentation; in 39 patients (35.5%) the ovaries were a site of relapse after previous curative colorectal surgical resection. Patients who presented with ovarian relapse after previous colorectal surgery and who underwent oophorectomy had a median survival of 50 months compared with 12 months for those who did not (P < .0001). Patients with metastatic disease at the time of presentation who underwent oophorectomy had a median survival of 39.4 months vs. 18.2 months for those who did not.

Conclusions: This retrospective analysis suggests that women with metastatic colorectal cancer metastatic to the ovary may derive a survival benefit from palliative oophorectomy.

MeSH terms

  • Adult
  • Aged
  • Aged, 80 and over
  • Colorectal Neoplasms / genetics
  • Colorectal Neoplasms / pathology*
  • Colorectal Neoplasms / surgery
  • Female
  • Humans
  • Kaplan-Meier Estimate
  • Middle Aged
  • Mutation
  • Ovarian Neoplasms / secondary
  • Ovarian Neoplasms / surgery*
  • Ovariectomy*
  • Palliative Care*
  • Proto-Oncogene Proteins / genetics
  • Proto-Oncogene Proteins B-raf / genetics
  • Proto-Oncogene Proteins p21(ras)
  • Retrospective Studies
  • Time Factors
  • Young Adult
  • ras Proteins / genetics

Substances

  • KRAS protein, human
  • Proto-Oncogene Proteins
  • BRAF protein, human
  • Proto-Oncogene Proteins B-raf
  • Proto-Oncogene Proteins p21(ras)
  • ras Proteins