Abstract:
:The distribution of synchronous neoplasms was retrospectively analyzed in 220 patients undergoing initial colonoscopic evaluation for colorectal neoplasms. In 159 of the 220 patients, an index neoplasm was present in the rectosigmoid region. Of these 159 patients, 32 had an index rectosigmoid adenoma less than 5 mm in diameter (diminutive), 105 had an index rectosigmoid adenoma greater than or equal to 5 mm in diameter and 22 had an index rectosigmoid adenocarcinoma. Among these patients with different index neoplasms the frequency of synchronous neoplasms was 34%, 53%, and 73%, respectively. The synchronous neoplasm was an adenoma greater than or equal to 5 mm in diameter in 13%, 40%, and 64%, respectively. The synchronous neoplasm was a carcinoma in 0%, 7%, and 5%, respectively. Two or more synchronous neoplasms occurred in 9%, 34%, and 41% of the index neoplasm groups, respectively. Finally, symptoms providing an indication for colonoscopy were present in 31%, 75%, and 86%, respectively. It is concluded that patients with diminutive index adenomas had fewer and smaller synchronous neoplasms (P less than 0.025) than patients with larger adenomas or invasive carcinoma as the index lesion. Thus, total colonoscopy does not appear to be necessary in asymptomatic patients with only diminutive adenomas found at flexible sigmoidoscopy.
journal_name
Cancerjournal_title
Cancerauthors
Tripp MR,Morgan TR,Sampliner RE,Kogan FJ,Protell RL,Earnest DLdoi
10.1002/1097-0142(19871001)60:7<1599::aid-cncr2820subject
Has Abstractpub_date
1987-10-01 00:00:00pages
1599-603issue
7eissn
0008-543Xissn
1097-0142journal_volume
60pub_type
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