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目的:探讨5-氨基乙酰丙酸(5-ALA)荧光膀胱镜的应用对非肌层浸润性膀胱癌术后早期复发率的影响。方法:将90例非肌层浸润性膀胱癌患者随机分为两组,每组45例,分别在白光膀胱镜和5-ALA荧光膀胱镜下行TURBt,术后6周所有患者均行5-ALA荧光膀胱镜检查以观察肿瘤复发情况,并对复发肿瘤行二次TURBt。结果:行二次TURBt后,90例患者中,25例(27.7%)发现有肿瘤发生,其中白光膀胱镜组18例(40%),荧光膀胱镜组7例(15.5%),两组间比较差异有统计学意义(P=0.05)。结论:5-ALA荧光膀胱镜对膀胱肿瘤的诊断和治疗具有较高价值,可以显著降低非肌层浸润性膀胱癌术后早期复发率。
Objective: To investigate the effect of 5-aminolevulinic acid (5-ALA) cystoscopy on the early recurrence rate of non-muscle invasive bladder cancer. Methods: Ninety patients with non-muscle invasive bladder cancer were randomly divided into two groups (n = 45 each). TURBt was performed under white cystoscopy and 5-ALA cystoscopy. All patients underwent 6-week follow-up with 5-ALA Fluorescent cystoscopy was performed to observe the recurrence of the tumor and to perform secondary TURBt on the recurrent tumor. Results: Tumors were found in 25 (27.7%) of 90 patients after secondary TURBt, of which 18 (40%) were in cystoscope group and 7 (15.5%) in cystoscope group, The difference was statistically significant (P = 0.05). Conclusions: 5-ALA cystoscopy has high value in the diagnosis and treatment of bladder cancer, which can significantly reduce the early postoperative recurrence rate of non-muscle invasive bladder cancer.