Clinico-pathological Study of the Villous Tumor.

概要

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Thirty patients with villous tumor were clinico-pathologically studied. They were 22 men and 8 women, whode highest incidence was in the 60th decade.<BR>The lesions were predominantly located in the rectum (61.3%) and the most frequent symptoms were rectal bleeding (76.7%) and mucoid diarrhea. All the lesions but one pedunculated were sessile or flat in shape, measuring an average size of 5.6 cm. The incidence of malignant change was as high as 56.7%. Twelve of 14 rectal tumors were locally resected by transsphincteric. traissacral and or anal approach. The remainder underwent appropriate radical bowel and regional lymah node resection.<BR>None of the patients had any lymph node metastasis nor died from the original tumor during the follow up period with a mean of 5.2 years. It is condidered, from our findings, that the villous tumor may be benign in biological behavior and low in malignant quality.
日本大腸肛門病学会の論文