Abstract
Background & Aims : To assess the effectiveness of CT during arteriography (CTA) in superselective transarterial chemoembolization (TACE) for invasive bladder cancer, and to report preliminary results of superselective TACE. Methods : Angiography was performed in 20 patients with invasive bladder cancer, using a combined CT-Angiography system. Of the 20 tumors, 19 were T3, one was T2. The vesical arteries were selected using a 3F microcatheter, and perfusion was confirmed using CTA. TACE was performed after administrating 40 to 100 mg of cisplatin, with and without gelatin sponge particles. The effects of TACE were assessed by surgery or a combination of cystoscopy and CT in 15 cases. Results : The vesical arteries were successfully selected in 18 of 20 patients. In 16 small tumors, the tumor stain was clearly depicted on CTA. In two large tumors, the vascular supply was identified as involving multiple arteries. One case showed complete remission, six showed partial remission, and eight showed no change. Complications included mild local pain around the perineum during TACE, and transient nausea in some patients. Conclusion : CTA may be useful in superselective TACE for invasive bladder cancer, and may contribute to effective treatment of bladder tumors.
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