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Chromosomal numerical aberration pattern in papillary renal cell carcinoma: Review article

. 2019 Jun ; 40 () : 189-199. [epub] 20171108

Language English Country United States Media print-electronic

Document type Journal Article, Review

Persistent link   https://www.medvik.cz/link/pmid29454759

Traditionally, papillary renal cell carcinomas (PRCCs) have been divided in two subgroups - type 1 and type 2. Based on recent molecular and genetic developments in the understanding of RCCs, it seems that this traditional classification may not be adequate and that the spectrum of PRCCs is much wider than initially proposed. Small series of distinct types of PRCC which do not fit into the above mentioned categories have been described in the literature. Published studies investigating molecular genetic changes in various types of PRCCs have shown that the molecular genetic features are remarkably heterogeneous across the whole spectrum of PRCCs. Of all PRCC subtypes/variants, PRCC type 1 seems to be a genetically uniform group, while other types showed different degrees of heterogeneity. Among different molecular-genetic features, chromosomal numerical aberration status is one of the most frequently studied features so far. It is becoming more evident that tumor type-specific chromosomal numerical aberration status in PRCCs may not exist. In this review, we present the most current knowledge concerning chromosomal numerical aberration status in PRCCs.

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