Article
Origin of multifocal carcinomas of the bladder and upper urinary tract: Molecular analysis and clinical implications
1 Aug 2005
Abstract excerpt
The simultaneous or metachronous development of multifocal tumors with identical or variable histological features in the urothelial tract in a single patient is a well-known characteristic of urothelial cancer. To explain this phenomenon, two distinct concepts have been proposed: the 'field defect' hypothesis according to which urothelial cells in patients are primed to undergo transformation by previous...
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