Japanese

Imaging Diagnosis of Metastatic Small Intestinal Tumors Ikuko Iwashita 1 , Kyousuke Ushio 1 , Akinori Iwashita 2 1Department of Radiology, National Kyushu Cancer Center 2Department of Pathology, Fukuoka University Chikushi Hospital Keyword: 転移性腫瘍 , 小腸 , 下血 , 腸重積 , 腸閉塞 pp.1799-1813
Published Date 2003/12/25
DOI https://doi.org/10.11477/mf.1403100709
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 A total of 27 cases with metastatic small intestinal tumors were studied. There were 23 males and 4 females, and the age ranged from 26 to 72 years(average 57.2 years old). As for the origin of metastatic tumors, many of the cases had lung cancer and malignant melanoma. The period from detection of the original tumor to that of the metastatic lesion ranged from one month to 74 months(average 13.9 months). As for clinical manifestations, melena was the most frequent, with obstruction(intestinal obstruction and intususception)and perforation ensuing. A relationship between tumor size and symptoms was found. There was a group of cases which manifested obstruction despite smallness of tumor size and there was another group of cases which did not reveal obstruction despite the largeness of tumor size and which were first detected by melena. There was a histopathological distinction between the groups. In the group presenting obstruction there were marked stromal reactions or signs of intususception, but in the group presenting melena those findings were mild. Morphologically, 25.9 % of the cases were elevated type and 74.1 % were ulcerated type. Approximately 40 % of cases with ulcerated type were non-stenotic type. At the time when metastatic lesions of the small intestine were detected, 52 % of cases had metastasis to other organs, and the prognosis was poor(50 % has survival of only 3 months). However 25 % of cases survived for more then two years, and better prognosis may be expected as better treatment strategies are developed.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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