Medical

Dukes' classification

Dukes' classification

 [do̳ks]
a system of staging colorectal tumors based on evaluation of the depth of invasion of the carcinoma and the presence or absence of metastasis. The four stages are: A, confined to the mucosa and submucosa; B, invasion through the muscularis without lymph node involvement; C, invasion through the muscularis with regional node metastasis; and D, tumor metastasis to distant sites. See illustration.
 Modified Dukes' staging system for colorectal cancer. From Aspinall and Taylor-Robinson, 2001.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
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References in periodicals archive
On comparing the distribution of cases by Dukes' classification, they found a preponderance of Dukes' C tumors in patients undergoing APR and a relatively higher proportion of Dukes' A and B lesions in those undergoing AR.
A study of the recurrence rates in patients with carcinoma anorectum undergoing abdominoperineal resection
Study design and validity Patients were stratified by site of cancer and Dukes' classification. They were then randomized to intensive or standard follow-up; both groups were similar in age, sex, and tumor differentiation.
The type of follow-up was also not a predictor of survival in any subgroup analysis, as when controlling for adherence of tumor, Dukes' classification, or the tumor site (P = .19).
Appropriate follow-up of patients with colon cancer
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