Molecular genetics & genomic medicine · 2019
Family still matters: Counseling patients with complex family histories of colon and endometrial cancers.
Клиническое исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Gemmell Amber P, Mauer Caitlin B, Reys Brian D, Pirzadeh-Miller Sara, Ross Theodora S
Аннотация
BACKGROUND: There are no national guidelines for the management of patients with a family history consistent with Lynch syndrome (LS) but a negative genetic test. To determine current management practices, genetic counselors' (GCs) recommendations were assessed.
METHODS: A survey of GCs using five hypothetical pedigrees was posted to National Society of Genetic Counselors (NSGC) discussion forums. Descriptive statistics were used.
RESULTS: One-hundred and fifteen surveys were completed. A pedigree with a first-degree relative (FDR) with early-onset colorectal cancer (CRC) and a family history of CRC and endometrial cancer (EC) prompted 83% (n = 95) of respondents to recommend early and frequent colonoscopies, based on family history. When the CRCs and ECs occurred in family members removed from the proband, 96% (n = 110) of GCs said they would screen based on family history. However, only 52% (n = 60) suggested CRC screening should begin earlier and occur more often, and 43% (n = 50) suggested CRC screening should follow standard age and frequency guidelines.
CONCLUSION: Concordance of opinion among GCs for the management of patients with negative genetic test results exists when FDRs are affected. However, when affected relatives are more distant, GCs disagreed on screening recommendations. These data suggest a need for guidelines for patients with a family history of cancer and a negative genetic test.
METHODS: A survey of GCs using five hypothetical pedigrees was posted to National Society of Genetic Counselors (NSGC) discussion forums. Descriptive statistics were used.
RESULTS: One-hundred and fifteen surveys were completed. A pedigree with a first-degree relative (FDR) with early-onset colorectal cancer (CRC) and a family history of CRC and endometrial cancer (EC) prompted 83% (n = 95) of respondents to recommend early and frequent colonoscopies, based on family history. When the CRCs and ECs occurred in family members removed from the proband, 96% (n = 110) of GCs said they would screen based on family history. However, only 52% (n = 60) suggested CRC screening should begin earlier and occur more often, and 43% (n = 50) suggested CRC screening should follow standard age and frequency guidelines.
CONCLUSION: Concordance of opinion among GCs for the management of patients with negative genetic test results exists when FDRs are affected. However, when affected relatives are more distant, GCs disagreed on screening recommendations. These data suggest a need for guidelines for patients with a family history of cancer and a negative genetic test.