Sarah G Mitchell1,2, Bojana Pencheva1,2, Christopher C Porter3,4. 1. Aflac Cancer & Blood Disorders Center, Children's Healthcare of Atlanta, 1760 Haygood Drive, E370, Atlanta, GA, 30322, USA. 2. Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA. 3. Aflac Cancer & Blood Disorders Center, Children's Healthcare of Atlanta, 1760 Haygood Drive, E370, Atlanta, GA, 30322, USA. chris.porter@emory.edu. 4. Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA. chris.porter@emory.edu.
Abstract
PURPOSE OF REVIEW: Germline genetic variants contribute to a substantial proportion of cases of cancer in childhood. The purpose of this review is to describe two emerging pediatric cancer predisposition syndromes, including published surveillance protocols, as well as the psychological impacts related to childhood cancer predisposition. RECENT FINDINGS: DICER1 syndrome is pleotropic, predisposing to a variety of tumors and likely phenotypically broader than currently realized. Rhabdoid tumor predisposition syndrome carries a risk for development of aggressive malignancies occurring in nearly any tissue. New pediatric hereditary cancer syndromes are likely to be identified as genetic evaluation evolves. Advantages and disadvantages of genetic testing and surveillance protocols need to be discussed with patients and families in a team-based approach, with the input of a genetic counselor holding expertise in pediatric cancer predisposition. Finally, literature on psychosocial impacts of hereditary cancer syndromes in pediatric patients is sparse, necessitating further research.
PURPOSE OF REVIEW: Germline genetic variants contribute to a substantial proportion of cases of cancer in childhood. The purpose of this review is to describe two emerging pediatric cancer predisposition syndromes, including published surveillance protocols, as well as the psychological impacts related to childhood cancer predisposition. RECENT FINDINGS:DICER1 syndrome is pleotropic, predisposing to a variety of tumors and likely phenotypically broader than currently realized. Rhabdoid tumor predisposition syndrome carries a risk for development of aggressive malignancies occurring in nearly any tissue. New pediatric hereditary cancer syndromes are likely to be identified as genetic evaluation evolves. Advantages and disadvantages of genetic testing and surveillance protocols need to be discussed with patients and families in a team-based approach, with the input of a genetic counselor holding expertise in pediatric cancer predisposition. Finally, literature on psychosocial impacts of hereditary cancer syndromes in pediatric patients is sparse, necessitating further research.
Entities:
Keywords:
Cancer predisposition; DICER1; Rhabdoid tumor predisposition; SMARCA4; SMARCB1; Surveillance
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