ArticleDermatology practical & conceptual2024
Prevalence of CDKN2A, CDK4, POT1, BAP1, MITF, ATM, and TERT Pathogenic Variants in a Single-Center Retrospective Series of Patients With Melanoma and Personal or Family History Suggestive of Genetic Predisposition.
Article in Dermatology practical & conceptual, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Multiple primary and familial melanoma as distinct high-risk phenotypes: a retrospective cohort study.Frontiers in genetics · 2026Article
- Whole-exome sequencing identifies new pathogenic germline variants in patients with colorectal polyposis.World journal of gastroenterology · 2025Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionApproximately 20%-45% of familial melanoma (FM) cases are associated with genetic predisposition.
objectivesThis single-center retrospective study aimed to assess the frequency of pathogenic variants (PV) in the main melanoma-predisposing genes in patients with cutaneous melanoma and investigate the clinical predictors of genetic predisposition.
methodsPatients included were those diagnosed with cutaneous melanoma at the Dermatology Unit of the University Hospital of Verona, Italy, from 2000 to 2022, presenting at least one of the followings: multiple melanomas (≥ 3); personal/family history of pancreatic cancer (PC) (up to 2
resultsDuring the study period, 35 out of 1320 patients (2.7%) underwent genetic testing. Four patients (11.4%) harbored a PV in a melanoma-predisposing gene, three in CDKN2A (8.6%), and one in MITF (2.9%). Variants currently classified as being of unknown clinical significance (VUS) were detected in CDKN2A (N = 1), MITF (N = 1), and ATM (N = 2). Family history of PC and ≥5 melanomas, personal history of ≥50 nevi, and ≥4 melanomas were significantly associated with PV in tested genes (P < 0.05).
conclusionsThe prevalence of PV in predisposing genes in FM was lower than previously reported in Italian registries. Possible reasons include deleterious variants in untested intermediate/low-penetrance genes or yet-to-be-discovered high-penetrance genes and environmental risk factors. A family history of PC, a high number of nevi and melanomas predict a monogenic predisposition to melanoma.
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