NF1 and neurofibromatosis type 1: Neurofibromatosis type 1 (NF1), also known as von Recklinghausen syndrome (ICD-10: Q85.0; ICD-11: LD2D.10; OMIM: 162200, 162210, 613675; UMLS: C0027831; MeSH: D009456), is a rare, complex, and multisystem neurocutaneous disorder caused by mutations in the NF1 tumour suppressor gene located on chromosome 17q11.2 (Garcia et al., 2022).