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  1. A clinical study of type 1 neurofibromatosis in north west England.

    Article - En anglais

    A clinical study of patients on the North West Regional Genetic Register with neurofibromatosis type 1 (NF1) identified 523 affected cases from 304 families.

    In those for whom relevant information was available, 86.7% (383 of 442) had more than six café au lait patches, 83.8% (310 of 370) had axillary freckling, 42.3% (151 of 357) had inguinal freckling, and 63% (157 of 249) had Lisch nodules.

    Cutaneous neurofibromas were present in 59.4% (217 of 365) and 45.5% (150 of 330) were noted to have subcutaneous tumours.

    Plexiform neurofibromas were present in 15.3% (80 of 523).

    A positive family history of NF1 was found in 71.2% (327 of 459) and 28.8% (132 of 459) of affected patients were considered to be the result of a new mutation.

    Learning difficulties of varying severity occurred in 62% (186 of 300).

    CNS tumours associated with NF1 were reported in 9.4% (49) of patients, optic gliomas occurring in 25 of these, 4.8% of patients.

    Some degree of scoliosis was reported for 11.7% (61), 1.9% (10) had pseudoarthrosis, 4.3% (23) had epilepsy, and 2.1% (11) had spinal neurofibromas.

    Actuarial analyses were carried out for both optic glioma and malignant nerve sheath tumours and the data are presented.

    Mots-clés Pascal : Neurofibromatose Recklinghausen, Angleterre, Grande Bretagne, Royaume Uni, Europe, Homme, Phénotype, Epidémiologie, Morbidité, Exploration, Système nerveux pathologie, Tumeur bénigne, Phacomatose, Peau pathologie, Maladie héréditaire

    Mots-clés Pascal anglais : Neurofibromatosis Recklinghausen, England, Great Britain, United Kingdom, Europe, Human, Phenotype, Epidemiology, Morbidity, Exploration, Nervous system diseases, Benign neoplasm, Phacomatosis, Skin disease, Genetic disease

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 99-0202910

    Code Inist : 002B17E. Création : 16/11/1999.