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Trovó-Marqui,A.B.; Goloni-Bertollo,E.M.; Valério,N.I.; Pavarino-Bertelli,E.C.; Muniz,M.P.; Teixeira,M.F.; Antonio,J.R.; Tajara,E.H.. |
A clinical study of Brazilian patients with neurofibromatosis type 1 (NF1) was performed in a multidisciplinary Neurofibromatosis Program called CEPAN (Center of Research and Service in Neurofibromatosis). Among 55 patients (60% females, 40% males) who met the NIH criteria for the diagnosis of NF1, 98% had more than six café-au-lait patches, 94.5% had axillary freckling, 45% had inguinal freckling, and 87.5% had Lisch nodules. Cutaneous neurofibromas were observed in 96%, and 40% presented plexiform neurofibromas. A positive family history of NF1 was found in 60%, and mental retardation occurred in 35%. Some degree of scoliosis was noted in 49%, 51% had macrocephaly, 40% had short stature, 76% had learning difficulties, and 2% had optic gliomas.... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Neurofibromatosis type I; Plexiform neurofibroma; Mental retardation; Learning difficulties; Scoliosis. |
Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2005000900020 |
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Galbiatti,A.L.S.; Ruiz,M.T.; Biselli-Chicote,P.M.; Raposo,L.S.; Maniglia,J.V.; Pavarino-Bertelli,E.C.; Goloni-Bertollo,E.M.. |
The functional effect of the A>G transition at position 2756 on the MTR gene (5-methyltetrahydrofolate-homocysteine methyltransferase), involved in folate metabolism, may be a risk factor for head and neck squamous cell carcinoma (HNSCC). The frequency of MTR A2756G (rs1805087) polymorphism was compared between HNSCC patients and individuals without history of neoplasias. The association of this polymorphism with clinical histopathological parameters was evaluated. A total of 705 individuals were included in the study. The polymerase chain reaction-restriction fragment length polymorphism technique was used to genotype the polymorphism. For statistical analysis, the chi-square test (univariate analysis) was used for comparisons between groups and... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Head and neck cancer; Polymorphism; Folate metabolism; MTR gene. |
Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2010000500005 |
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