HISTOPATHOLOGY AND PROGNOSIS OF MALIGNANT COLORECTAL POLYPS TREATED BY ENDOSCOPIC POLYPECTOMY
HISTOPATHOLOGY AND PROGNOSIS OF MALIGNANT COLORECTAL POLYPS TREATED BY ENDOSCOPIC POLYPECTOMY
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DOI:
10.1136/gut.25.5.437
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发表时间:
1984-01-01
期刊:
影响因子:
24.5
通讯作者:
WILLIAMS, CB
中科院分区:
文献类型:
--
作者:
MORSON, BC;WHITEWAY, JE;WILLIAMS, CB
The histopathological features and results of treatment of malignant polyps removed by endoscopic polypectomy from 60 patients are presented. The patients were followed for a minimum of 5 yr. Forty-six patients were treated by polypectomy alone as local excision was judged complete and the invasive carcinoma was well or moderately well differentiated. Thirty-seven of these patients are alive and well after 5 yr; the remaining 9 have died of other causes up to 4 yr later. There was no evidence of recurrence in any of these cases. Fourteen patients underwent a subsequent major surgical resection; residual tumor was found at the site of polypectomy in 2 cases, but regional lymph nodes were not involved. Only 1 patient from this group with a high grade tumor developed metastases although the operative specimen was free of tumor. Malignant polyps can be successfully treated by polypectomy alone provided both the laboratory techniques of examination and the histopathological criteria are strictly applied.