Author Affiliations: Departments of Obstetrics and Gynecology (Dr Swisher) (firstname.lastname@example.org) and Medicine (Dr Walsh), University of Washington, Seattle.
To the Editor: Dr Yang and colleagues reported genomic and clinical data from The Cancer Genome Atlas (TCGA) project on 316 serous ovarian carcinomas.1 We wish to point out a possible error.
The authors listed BRCA2 K3326X, identified in the germline of 3 women, among the deleterious mutations, as was also reported in the first study from TCGA project.2 However, K3326X is actually a polymorphic stop in BRCA2 that is listed as a clinically benign variant on the Breast Cancer Information Core database3 and by the International Agency for Research on Cancer Unclassified Genetic Variants Working Group.4 As expected for a benign variant, all 3 paired carcinomas had retention of heterozygosity for BRCA2.2
Swisher E, Walsh T. BRCA1 and BRCA2 Mutations in Ovarian Cancer. JAMA. 2012;307(4):359–361. doi:https://doi.org/10.1001/jama.2012.9
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