Colorectal carcinoma and the relationship of peritoneal cytology

Mark C. Horattas, Maria R. Evasovich, Neal Topham

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

BACKGROUND: This study was designed to investigate the frequency of the association between colorectal cancer and peritoneal cytology as well as the impact of surgical resection on conversion of cytology from benign to malignant cells being present. Furthermore, increasingly frequent reports of port site recurrences with laparoscopic colectomy for limited stage colon carcinoma prompted us to evaluate the incidence of tumor cell spillage with traditional 'open' colonic surgery. METHODS: Fifty random patients undergoing surgery for colorectal carcinoma were prospectively evaluated with peritoneal washings prior to and following colon resection. RESULTS: Five patients (10%) were found to have malignant cytology, with no patients converting from negative to positive cytology. All five positive cytologies were associated with stage IV disease and poorly differentiated colon cancer. CONCLUSION: Intraoperative peritoneal cancer dissemination could not be demonstrated by cytologic washings of the abdominal cavity before and after colorectal resection utilizing standard cytomorphological criteria.

Original languageEnglish (US)
Pages (from-to)334-338
Number of pages5
JournalAmerican Journal of Surgery
Volume174
Issue number3
DOIs
StatePublished - Sep 1 1997

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