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Abstract
To avoid an unnecessary radical operation, it is important for surgeons to identify
a clinically benign villous tumor of the rectum, especially in the middle third area,
where a transanal approach may not be feasible. If the high accuracy of this clinical
impression can be achieved, alternative methods such as piecemeal snare excision,
or electrocoagulation, or both are justified. To evaluate the diagnostic accuracy
of a benign rectal villous tumor, 151 patients with totally excised rectal tumors
were reviewed. All of these patients had soft and nonulcerated lesions and were judged
to be benign. Induration and ulceration of the lesions signified malignancy and were
excluded. One hundred and fourteen patients (76%) had benign villous adenomas, 23
patients (15%) had superficial carcinomas, and 14 patients (9%) had invasive carcinomas.
Hence the accuracy of detecting a clinically benign villous tumor of the rectum was
91%. This is high enough to avoid a more radical procedure when the clinical impression
is that of a benign villous tumor of the rectum.
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Article info
Publication history
Accepted:
September 14,
1979
Identification
Copyright
© 1980 Published by Elsevier Inc.
