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      Ressonância nuclear magnética nos disrafismos espinais Translated title: Magnetic resonance imaging of spinal dysraphism

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          Abstract

          Foi avaliada por ressonância nuclear magnética a incidência de malformações da medula espinal em 38 crianças com espinha bífida. Destas, 22 apresentavam espinha bífida aberta e 16 espinha bífida oculta. Medula presa foi detectada na maioria dos pacientes. Siringomielia foi encontrada em 13 casos. A transição occipitocervical foi estudada em 11 pacientes com meningomielocele e malformação de Chiari foi encontrada em 8. A análise da casuística permitiu comprovar que existe número significativo de malformações assintomáticas detectadas pela RNM.

          Translated abstract

          We studied by magnetic resonance imaging the incidence of associated malformations in a group of 38 patients with diagnosis of spina bifida followed in our outpatient clinic. Twenty-two children were born with spina aperta and 16 with spina bifida occulta. Tethered cord was found in the majority of patients of both groups. Syringomyelia was found in 13 patients. The craniocervical region was studied in 11 patients with diagnosis of spina bifida aperta; Chiari malformation was found in 8. The results point to the fact that asymptomatic malformations detected by MRI techniques are frequent in patients with spina bifida.

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          The filum terminale syndrome (the cord-traction syndrome).

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            Tethered cord syndrome versus low-placed conus medullaris in an over-distended spinal cord following initial repair for myelodysplasia.

            We present findings obtained from a total of 100 patients who had previously undergone surgery for spina bifida and whose progress had been monitored by magnetic resonance imaging (MRI) in our meningomyelocele clinic. Fourteen of these patients (14.0%) developed delayed symptom(s) of progressive spinal neurologic dysfunction. In those with myeloschisis, increase of motor deficit was the most common clinical manifestation during infancy and early childhood (mean age: 6.8 years), whereas pain on back flexion was seen in patients who were over 15 years of age (mean age: 17.3 years). MRI carried out in myeloschisis patients invariably demonstrated that the conus medullaris was in an abnormally low position, suggesting over-distension of the spinal cord. This was irrespective of whether symptom(s) developed or not and did not correlate with the initial surgical procedure (reconstructive or otherwise) used. Patients with symptom(s) were revealed by MRI to have an extremely low conus set at the spinal level of S-1 or below; neurological examinations showed that the motor deficit occurred at high levels in the spine. Results from lipomeningocele patients were more erratic in terms of conus position and delayed development of neurological defects.(ABSTRACT TRUNCATED AT 250 WORDS)
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              Magnetic resonance imaging of dysraphic myelodysplasia

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                Author and article information

                Journal
                anp
                Arquivos de Neuro-Psiquiatria
                Arq. Neuro-Psiquiatr.
                Academia Brasileira de Neurologia - ABNEURO (São Paulo, SP, Brazil )
                0004-282X
                1678-4227
                June 1994
                : 52
                : 2
                : 243-247
                Affiliations
                [01] orgnameUniversidade de São Paulo orgdiv1Faculdade de Medicina orgdiv2Departamento de Neurologia
                Article
                S0004-282X1994000200016 S0004-282X(94)05200216
                10.1590/S0004-282X1994000200016
                caac99b2-2aeb-4ba0-ad8a-95d7bd407946

                This work is licensed under a Creative Commons Attribution 4.0 International License.

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                Figures: 0, Tables: 0, Equations: 0, References: 9, Pages: 5
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                SciELO Brazil


                magnetic resonance imaging,medula espinhal,malformação,espinha bífida,ressonância magnética,spinal cord,malformation,spina bifida

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