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Avaliação dos critérios de invasão do seio cavernoso nas imagens de ressonância magnética de adenomas hipofisários: utilização da regressão logística na análise estatística e correlação dos exames com os achados cirúrgicos / Evaluation of cavernous sinus invasion criteria in magnetic resonance imaging (MRI) of pituitary adenomas: utilization of the logistic regression in the statistical analysis and correlation of the images with of the surgical findings
São Paulo; s.n; 2004. [195] p. ilus, mapas, tab.
Thesis in Portuguese | LILACS | ID: lil-397936
RESUMO
Para definir critérios de invasão do seio cavernoso em imagens de ressonância magnética de adenomas hipofisários, os autores revisaram os exames de 103 pacientes tratados cirurgicamente e compararam 8 sinais de imagem com os achados cirúrgicos. Na análise estatística utilizou-se a regressão logística para o cálculo das “odds ratio” dos critérios. A invasão do seio cavernoso era certa quando a porcentagem de envolvimento carotídeo era > 45 por cento / To define preoperative MRI criteria of cavernous sinus invasion by pituitary adenoma, the author reviewed the MR images of 103 patients treated surgically and 8 groups of signs were compared with the surgical findings. Statistical analysis was performed using a qui-square test and the odds ratio of the criteria was obtained by logistic regression. Invasion of the cavernous sinus was certain when the percentage of encasement of the intracavernous carotid artery (ICA) was >45 per cent,,,
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Index: LILACS (Americas) Main subject: Pituitary Neoplasms / Magnetic Resonance Imaging / Cavernous Sinus Type of study: Diagnostic study / Observational study / Prognostic study / Risk factors Limits: Adolescent / Adult / Female / Humans / Male Language: Portuguese Year: 2004 Type: Thesis

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Index: LILACS (Americas) Main subject: Pituitary Neoplasms / Magnetic Resonance Imaging / Cavernous Sinus Type of study: Diagnostic study / Observational study / Prognostic study / Risk factors Limits: Adolescent / Adult / Female / Humans / Male Language: Portuguese Year: 2004 Type: Thesis