hrp0098fc10.2 | Multisystem Endocrine Disorders | ESPE2024

Characterising the natural history of Multiple Endocrine Neoplasia 2B caused by M918T RET pathogenic variants in children and young people

McGlacken-Byrne Sinead , Butler Colin , Abdel Aziz Tarek , Izatt Louise , Brain Caroline , Kurzawinski Tom

Aim: We describe the natural history, treatment, and clinical outcomes of Multiple Endocrine Neoplasia type 2B (MEN2B) caused by the M918T RET pathogenic variant.Methods: Retrospective case notes review of all young people <18 years presenting to a quaternary paediatric endocrinology referral centre in the UK between 2005-2023 who have MEN2B caused by the M918T pathogenic variant in the RET proto-onc...