Cytokeratin expression patterns in low-grade papillary urothelial neoplasms of the urinary bladder.


BACKGROUND The differential expression patterns of cytokeratin 20 (CK20) and 34betaE12 antigen in low-grade papillary urothelial tumors of the bladder are discussed. METHODS A retrospective study of 120 patients with low-grade papillary bladder tumors (45 neoplasms of low malignant potential and 75 low-grade WHO G1 carcinomas) was performed. All tumors… (More)


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