TOMOGRAPHY OF THE BLADDER CONBINED WITH PERIVESICAL GAS INSUFFLATION

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  • Chiba Eiichi
    the Department of Urology, Niigata University School of Medicine

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Other Title
  • 膀胱腫瘍における膀胱周囲気体送入法を併用した断層撮影法の研究
  • ボウコウ シュヨウ ニ オケル ボウコウ シュウイ キタイソウニュウホウ オ ヘイヨウ シタ ダンソウ サツエイホウ ノ ケンキュウ
  • A RADIOLOGICAL STUDY OF BLADDER TUMOR

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Abstract

Tomography of the bladder with combination of perivesical and intravesical gas insufflation was performed on 30 patients (twenty cases of primary bladder tumor, a case of secondary bladder tumor, a case of prostatic carcinoma, three cases of prostatic hypertrophy, two cases of prostatic calculi and three normal cases) with intention to evaluate the usefulness in diagnosing the site and extent of bladder tumors.<br>In eighteen cases of primary bladder tumor, a case of sigmoid colon carcinoma with vesical invasion and a case of prostatic carcinoma with vesical invasion, the radiologic data were investigated in comparison with physical and cystoscopic findings, operative specimens and pathological findings. The results are as follows:<br>(1) When the growth is limited to the mucosa, there is no thickenig of the bladder wall and the outline of the wall is smooth.<br>(2) When the growth is limited to the mucosa and submucosa, the thickening of the bladder wall is slight, but the outline remains smooth.<br>(3) When the growth shows muscle invasion, the thickening of the bladder wall becomes marked and the outline shows an irregularity.<br>(4) When there is perivesical invasion, the bladder thickens irregularly both inwards and outwards, and in most cases the perivesical insufllation cannot be achieved.<br>(5) Tomography of the bladder combined with gas insufflation has a usefulness in preoperative evaluation of the extent of bladder tumors.

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