PMID: 11919228Mar 29, 2002Paper

Macroscopic evaluation of rectal cancer resection specimen: clinical significance of the pathologist in quality control

Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology
Iris D NagtegaalCooperative Clinical Investigators of the Dutch Colorectal Cancer Group

Abstract

Quality assessment and assurance are important issues in modern health care. For the evaluation of surgical procedures, there are indirect parameters such as complication, recurrence, and survival rates. These parameters are of limited value for the individual surgeon, and there is an obvious need for direct parameters. We have evaluated criteria by which pathologists can judge the quality or completeness of the resection specimen in a randomized trial for rectal cancer. The pathology reports of all patients entered onto a Dutch multicenter randomized trial were reviewed. All participating pathologists had been instructed by workshops and videos in order to obtain standardized pathology work-up. A three-tiered classification was applied to assess completeness of the total mesorectal excision (TME). Prognostic value of this classification was tested using log-rank analysis of Kaplan-Meier survival curves using the data of all patients who did not receive any adjuvant treatment. Included were 180 patients. In 24% (n = 43), the mesorectum was incomplete. Patients in this group had an increased risk for local and distant recurrence, 36.1% v. 20.3% recurrence in the group with a complete mesorectum (P =.02). Follow-up is too short t...Continue Reading

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