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緒言
Computed tomography(CT)は腎疾患の診断に広く用いられるようになり,とくに腎細胞癌をはじめとする腎実質腫瘍の診断には,その高い有用性が認められている。一方,腎盂腫瘍のCTによる所見,診断的意義についての評価は少なく,まとまつた報告はみられていない。
今回われわれは,最近の2年間に経験した腎盂腫瘍7例について,CTによる検討を行なつたので,その所見および診断的価値について報告する。
Computed tomography (CT) was performed in 7 cases of renal pelvic tumor at Jikei University Hospital during the 2 years period of 1979 and 1980. All of these 7 cases underwent operation and histologically transitional cell carcinoma was demonstrated in 6 cases and squamous cell carcinoma in the remaining one case.
CT scanning was made with Somatom, with scanning time of 4.5 or 5 sec, the matrix of 256×256, and section thickness of 7 or 8mm. As a rule, the scanning covered the region from the ensiform process to the iliac crest at intervals of 1cm. It was carried out before and after the injecion of contrast medium.
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