Patient understanding of genetic information influences reproductive decision making in retinoblastoma. - PubMed - NCBI
Clin Genet. 2017 Apr 11. doi: 10.1111/cge.13035. [Epub ahead of print]
Patient understanding of genetic information influences reproductive decision making in retinoblastoma.
Foster A1,
Boyes L1,
Burgess L1,
Carless S1,
Bowyer V1,
Jenkinson H2,
Parulekar M2,
Ainsworth J2,
Hungerford J3,4,
Onadim Z5,
Sagoo M3,4,6,
Rosser E3,
Reddy MA3,4,
Cole T1.
Abstract
Retinoblastoma is the most common malignant tumour of the eye in childhood, with nearly all bilateral tumours and around 17-18% of unilateral tumours due to an oncogenic mutation in the RB1 gene in the germline. Genetic testing in all cases enables accurate risk assessment and optimal clinical management for the affected individual, siblings, and future offspring. We carried out the first UK-wide audit of understanding of genetic testing in individuals with retinoblastoma. A total of 292 individuals aged 16-45 years were included. Patients with bilateral disease were significantly more likely to understand the implications of retinoblastoma for siblings and children. There was a significant association between not knowing the results of genetic testing or not understanding the implications and not having children, particularly in women. Surprisingly, this was also true for individuals treated for unilateral disease with a low risk of retinoblastoma for their offspring. We are concerned that individuals may be making life choices based on insufficient information regarding risks of retinoblastoma and reproductive options. We suggest that improvement in transition care is needed to enable individuals to make informed reproductive decisions and to ensure optimal care for children born at risk of retinoblastoma. This article is protected by copyright. All rights reserved.
KEYWORDS:
genetic screening/counselling; paediatric oncology; RB1; retinoblastoma; transition care
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