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  • Title: [Comparative study of the expression of p53, Ki-67, bcl-2 and CK20 in superficial transitional carcinoma of the bladder: correlation with recurrence, histological grade, and clinical stage].
    Author: San Miguel Fraile P, Antón Badiola I, Ortiz Rey JA, Alvarez Alvarez C, Fernández Costas A, Lago Fernández M, Pelaez Boismorand E, Zungri Telo E, De La Fuente Buceta A.
    Journal: Actas Urol Esp; 2003 Sep; 27(8):587-93. PubMed ID: 14587233.
    Abstract:
    OBJECTIVE: We examined the presence of p53, Ki-67, bcl-2 and CK20, as detected by immunohistochemistry, and correlated with the classic variables (grade, stage and recurrence). MATERIAL AND METHOD: The authors evaluated 57 superficial transitional cell carcinomas. Biopsy specimens examined included non recurrent transitional cell carcinomas (n = 36) and recurrent transitional cell carcinomas (n = 21). Association of bcl-2, p53, Ki-67 y CK20 index immunoreactivity with tumor grade, clinical stage and tumor recurrence was examined. RESULTS: Ki-67 and p53 expression were related to the degree of differentiation and recurrence of the disease. bcl-2 and CK20 were not correlated with grade, stage and recurrence of the disease. CONCLUSIONS: Positivity for Ki-67 and p53 increase with grade of the disease. P53 and Ki-67 are predictors of tumor recurrence for patients with superficial transitional cell carcinoma.
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