Twenty experts, members of a French medical network devoted to neurofibromatosis 1 have elaborated recommendations for the management of the disease. Bibliography was obtained through a Medline of articles from 1966 to 1999 for the terms neurofibromatosis, NF1, neurofibroma and from textbooks. A consensual document was written taking into account extracted data. An annual careful clinical examination is recommended except in cases with complications. Screening investigations are not recommended due to the rarity of complications, generally symptomatic and easily detected during the clinical follow-up. The only controversial exception might be magnetic resonance imaging for early detection of optic pathway gliomas in young children. A co-ordinated follow-up in specialised multidisciplinary centres, providing patients with a rational management, is recommended.
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http://dx.doi.org/10.1016/s0929-693x(01)00695-9 | DOI Listing |
Sci Rep
January 2025
Department of Neurosurgery, University Hospital Tübingen, Tübingen, Germany.
To compare 1D (linear) tumor volume calculations and classification systems with 3D-segmented volumetric analysis (SVA), focusing specifically on their effectiveness in the evaluation and management of NF2-associated vestibular schwannomas (VS). VS were clinically followed every 6 months with cranial, thin-sliced (< 3 mm) MRI. We retrospectively reviewed and used T1-weighted post-contrast enhanced (gadolinium) images for both SVA and linear measurements.
View Article and Find Full Text PDFNeuroradiol J
January 2025
Department of Neuroradiology, Mayo Clinic, USA.
Despite their similar nomenclature, Neurofibromatosis type 1 (NF1) and "Neurofibromatosis type 2" are discrete and clinically distinguishable entities. The name of "neurofibromatosis type 2" has been changed to NF2-related schwannomatosis, to reflect the fact that neurofibromas do not occur in this syndrome and therefore the name "Neurofibromatosis" is factually incorrect. Furthermore, multiple schwannomas, a hallmark feature of NF2, can also occur in patients with mutations in genes including SMARCB1 and LZTR1, all exhibiting overlapping clinical features.
View Article and Find Full Text PDFBackground: Neurofibromatosis type 1 (NF1) is a rare genetic disorder affecting multiple bodily systems that predisposes to the development of tumors. It affects approximately 1 in 3000 newborns in Germany. Its clinical manifestations are diverse and complex, and its diagnostic and therapeutic management call for specialized knowledge and experience.
View Article and Find Full Text PDFZhonghua Yi Xue Za Zhi
December 2024
Neurofibromatosis type 1 (NF1) is an autosomal dominant genetic disorder caused by mutations in the NF1 gene, affecting approximately 1 in 3 000 newborns worldwide. Plexiform neurofibroma (PNF) is one of the common clinical manifestations of NF1. PNF can lead to a range of clinical symptoms, with a high rate of disability and teratogenesis; furthermore, there is a risk for malignant transformation that poses significant threats to the life and health of patients.
View Article and Find Full Text PDFEur J Pediatr
December 2024
Department of Medical Genetics, Dr. Behçet Uz Children's Hospital, Izmir, Turkey.
Unlabelled: The RASopathies are a group of disorders resulting from a germline variant in the genes encoding the Ras/mitogen-activated protein kinase pathway. These disorders include Noonan syndrome (NS), cardiofaciocutaneous syndrome (CFC), Costello syndrome (CS), Legius syndrome (LS), and neurofibromatosis type 1 (NF1), and have overlapping clinical features due to RAS/MAPK dysfunction. In this study, we aimed to describe the clinical and molecular features of patients exhibiting phenotypic manifestations consistent with RASopathies.
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