Molecular Pathology of Prostate Cancer.

Molecular profiling studies have shed new light on the complex biology of prostate cancer. Genomic studies have highlighted that structural rearrangements are among the most common recurrent alterations. In addition, both germline and somatic mutations in DNA repair genes are enriched in patients with advanced disease. Primary prostate cancer has long been known to be multifocal, but recent studies demonstrate that a large fraction of prostate cancer shows evidence of multiclonality, suggesting that genetically distinct, independently arising tumor clones coexist. Metastatic prostate cancer shows a high level of morphologic and molecular diversity, which is associated with resistance to systemic therapies. The resulting high level of intratumoral heterogeneity has important implications for diagnosis and poses major challenges for the implementation of molecular studies. Here we provide a concise review of the molecular pathology of prostate cancer, highlight clinically relevant alterations, and discuss opportunities for molecular testing.

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Déclaration de conflit d'intérêts

Conflicts of interest and sources of funding The authors have no significant relationships with, or financial interest in, any commercial companies pertaining to this article. Research reported in this publication was supported in part by the NIH/NCI (P50CA097186), the U.S. Department of Defense Prostate Cancer Research Program (W81XWH-20-1-0111), and the Safeway Foundation.