Breakpoint characterization of a novel large intragenic deletion of MUTYH detected in a MAP patient: Case report

Abstract excerpt

BACKGROUND: MUTYH-associated polyposis (MAP) is a recessive, hereditary, colorectal cancer-predisposing syndrome caused by biallelic mutations in the MUTYH gene. Most MUTYH pathogenic variants are missense mutations, and until recently no gross genomic deletions had been described. CASE PRESENTATION: We have identified a large deletion in the MUTYH gene: a > 4.2 kb deletion encompassing exons 4-16. This is the...

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