Abstract
Hereditary polyposis syndromes are significant contributors to colorectal cancer (CRC). These syndromes are characterized by the development of various types and numbers of polyps, distinct inheritance patterns, and extracolonic manifestations. This review explores these syndromes with a focus on their genetic characteristics. Advances in diagnostics, particularly the identification of pathogenic germline variants through massive sequencing technologies, have enhanced our understanding of the genetic alterations associated with polyp formation and CRC risk. Identifying pathogenic variants beyond traditional diagnostic criteria improves the management and surveillance of these syndromes. Genetic diagnosis not only refines patient treatment and surveillance, but also informs relatives of potential risks, enabling appropriate management. However, challenges persist in determining the pathogenicity of newly discovered mutations due to their low prevalence. This review covers hereditary polyposis syndromes, from well-established to newly recognized types, providing insights into their genetic landscapes and highlighting the need for tailored surveillance based on genotype.
Published Version
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