RESUMO
INTRODUCTION: The brainstem is a vital structure. Imaging and electrophysiological studies are important aids to clinical diagnosis. OBJECTIVE: To define the clinical, imaging and electrophysiological correlation in 28 patients with chronic brainstem lesions. PATIENTS AND METHODS: We analyzed the results of physical examination, imaging studies (CAT and MR) and brainstem auditory evoked potentials (BEAP) in each patient. RESULTS: There was a predominance of males in the group studied. The commonest age groups were between 25 34 and 35 44 years old. Involvement of the cranial nerves was the commonest neurological finding, and the XII cranial nerve was the one most commonly involved. The condition had persisted for 1 to 4 years in 60.8% of the patients. There was a predominance of lesions of the pons in 28.6%. In five patients classical syndromes were seen. The commonest aetiology was ischaemic cerebrovascular disease in 53.6% of the patients. The lesions were detected on MR in 86.6% of the cases and on CAT scans in only 27.3%. The BEAP was abnormal in 75% of the patients. There was close correlation between the clinical topography and results of MR (p<0.05) but little correlation with the CAT scans or PEATC. CONCLUSION: We consider that MR is the investigation of choice in these patients.
Assuntos
Isquemia Encefálica/diagnóstico , Isquemia Encefálica/fisiopatologia , Tronco Encefálico , Adulto , Isquemia Encefálica/complicações , Tronco Encefálico/irrigação sanguínea , Tronco Encefálico/diagnóstico por imagem , Tronco Encefálico/patologia , Doença Crônica , Potenciais Evocados Auditivos do Tronco Encefálico , Feminino , Humanos , Doenças do Nervo Hipoglosso/diagnóstico , Doenças do Nervo Hipoglosso/etiologia , Doenças do Nervo Hipoglosso/fisiopatologia , Imageamento por Ressonância Magnética , Masculino , Estudos Retrospectivos , Índice de Gravidade de Doença , Tomografia Computadorizada por Raios X , Doenças do Nervo Vestibulococlear/diagnóstico , Doenças do Nervo Vestibulococlear/etiologia , Doenças do Nervo Vestibulococlear/fisiopatologiaRESUMO
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Assuntos
Gravidez , Criança , Adolescente , Adulto , Masculino , Feminino , Humanos , Traqueostomia , Dor Abdominal , Evolução Fatal , Porfiria Aguda Intermitente , Hipotonia Muscular , Porfobilinogênio , Paraplegia , Transtornos Puerperais , Complicações na Gravidez , Insuficiência Respiratória , Reflexo Anormal , Bloqueadores dos Canais de Cálcio , Coma , Diagnóstico Diferencial , Convulsões , Coproporfirinas , Hipertensão , Eclampsia , Hemiatrofia Facial , Flunarizina , Febre , Traço Falciforme , Transtornos de Enxaqueca , Edema Encefálico , Ácido AminolevulínicoRESUMO
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