The effects of transurethral resection and cystoprostatectomy on dissemination of epithelial cells in the circulation of patients with bladder cancer

被引:18
作者
Desgrandchamps, F
Teren, M
Dal Cortivo, L
Marolleau, JP
Bertheau, P
Villette, JM
Cortesse, A
Teillac, P
Le Duc, A
Hamdy, FC
机构
[1] Univ Sheffield, Royal Hallamshire Hosp, Sch Med, Urol Sect, Sheffield S10 2JF, S Yorkshire, England
[2] Hop St Louis, Dept Urol, Paris, France
[3] Hop St Louis, ETS AP HP, Paris, France
[4] Hop St Louis, Dept Hormonal Biochem, Paris, France
[5] Hop St Louis, Dept Pathol, Paris, France
关键词
bladder cancer; circulating epithelial cells; transurethral resection; cystoprostatectomy; metastasis;
D O I
10.1038/sj.bjc.6690771
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
This study was undertaken to evaluate the risk of haematogenous dissemination of epithelial cells induced by endoscopic resection and/or cystoprostatectomy for transitional cell carcinoma of the bladder. Thirty-three patients were studied. Thirty-one had different stages end grades of bladder cancer and two patients had benign bladder conditions. Twenty-five cancer patients required transurethral resection of their bladder tumour. Of those, 20 had superficial disease (pTaG1-G2: n = 19; pT1G2: n = 1) and five had muscle invasive tumours (pT2G3: n = 2; pT3aG3: n = 1; pT4G3: n = 2). Five patients underwent radical cystoprostatectomy for muscle invasive cancers (pT2G3: n = 3; pT3bG3: n = 1; pT4G3: n = 1) and one man received chemotherapy for metastatic disease. Venous blood (10 ml) was obtained from the antecubital fossa in each patient, before and 1-2 h after completion of surgery, and prior to treatment in the metastatic patient. An indirect immunocytochemical technique was used to detect circulating epithelial cells after centrifugation on Ficoll gradient and fixation of mononuclear cells on slides, using a monoclonal antibody directed against three cytokeratins: CK8, CK18 and CK19. Circulating epithelial cells were detected only in the patient with metastatic disease. None of the other patients had evidence of epithelial circulating cells before or after surgery. The results suggest that irrespective of disease stage and grade, neither endoscopic nor open bladder surgery leads to detectable dissemination of urothelial cells in the peripheral circulation. These procedures are therefore unlikely to increase the risk of progression and metastasis in transitional cell carcinoma of the bladder. (C) 1999 Cancer Research Campaign.
引用
收藏
页码:832 / 834
页数:3
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