Opinion statement
Pathogenic germline variants in the setting of several associated cancer predisposition syndromes (CPS) may lead to the development of sarcoma. We would consider testing for a CPS in patients with a strong family history of cancer, multiple primary malignancies, and/or pediatric/adolescent/young adult patients diagnosed with other malignancies strongly associated with CPS. When a CPS is diagnosed in a patient with sarcoma, additional treatment considerations and imaging options for those patients are required. This applies particularly to the use of radiation therapy, ionizing radiation with diagnostic imaging, and the use of alkylating chemotherapy. As data and guidelines are currently lacking for many of these scenarios, we have adopted a shared decision-making process with patients and their families. If the best chance for cure in a patient with CPS requires utilization of radiation therapy or alkylating chemotherapy, we discuss the risks with the patient but do not omit these modalities. However, if there are treatment options that yield equivalent survival rates, yet avoid these modalities, we elect for those options. Considering staging imaging and post-therapy evaluation for sarcoma recurrence, we avoid surveillance techniques that utilize ionizing radiation when possible but do not completely omit them when their use is indicated.
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Jennie Vagher declares she has received payment or honoraria for participation in the National Society of Genetic Counselors AC.2022 and AAMDS Foundation 2023. Casey Mehrhoff declares she has no conflict of interest. Vaia Florou declares she has received consulting fees from Deciphera and Incyte. Luke Maese declares he has served as a consultant, received payment or honoraria for involvement with, and has participated on the Data Safety Monitoring or Advisory Board for Jazz Pharmaceuticals. Luke Maese also declares he has participated on the Data Safety Monitoring or Advisory Board for Servier Pharmaceuticals.
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Vagher, J., Mehrhoff, C.J., Florou, V. et al. Genetic Predisposition to Sarcoma: What Should Clinicians Know?. Curr. Treat. Options in Oncol. (2024). https://doi.org/10.1007/s11864-024-01192-6
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DOI: https://doi.org/10.1007/s11864-024-01192-6