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2.
Arq. neuropsiquiatr ; 64(3a): 668-671, set. 2006. ilus
Article in English, Portuguese | LILACS | ID: lil-435610

ABSTRACT

We report on a 48 years-old man with basilar impression without syringohydromyelia, in which the cisterna magna was impacted by the cerebellar tonsils. Six months after posterior fossa decompression there was the disappearance of nuchal rigidity, vertigo, spastic paraparesis and improvement of balance. Nevertheless hyperreflexia and diminished pallesthesia of the lower limbs persisted.


O presente relato descreve um homem de 48 anos com impressão basilar, sem siringo-hidromielia, no qual a cisterna magna se achava impactada pelas tonsilas cerebelares. O quadro clínico era caracterizado, especialmente, por paraparesia espástica. Seis meses após a descompressão da fossa posterior houve regressão da rigidez de nuca, vertigem, paraparesia espástica inicialmente observadas e melhora do equilíbrio. A hiperreflexia e a hipopalestesia persistiram nos membros inferiores.


Subject(s)
Humans , Male , Middle Aged , Arnold-Chiari Malformation/diagnosis , Cisterna Magna , Paraparesis, Spastic/diagnosis , Platybasia/diagnosis , Arnold-Chiari Malformation/complications , Arnold-Chiari Malformation/surgery , Decompression, Surgical , Magnetic Resonance Imaging , Paraparesis, Spastic/etiology , Paraparesis, Spastic/surgery , Platybasia/complications , Platybasia/surgery
3.
Arq. neuropsiquiatr ; 64(3a): 672-675, set. 2006. ilus
Article in English, Portuguese | LILACS | ID: lil-435611

ABSTRACT

We report on a 49 year old man with impacted cisterna magna without the presence of syringohydromyelie (SM). The clinical picture was characterized by spastic paraparesis. Magnetic resonance imaging depicted a cisterna magna filled by the cerebellar tonsils. Six months after osteodural-neural decompression of the posterior fossa there was resolution of neurological symptoms and signs with the exception of hyperactive patellar and Achilles reflexes.


Hans Chiari (1891, 1895) descreveu 4 tipos de anomalias cerebelares que, ulteriormente, foram denominadas de malformação de Chiari (MC). Iskandar et al. (1998) relataram 5 casos de hidrosiringomielia (SM) sem herniação rombencefálica, nos quais as tonsilas cerebelares preenchiam a cisterna magna. Todos os casos melhoraram após a descompressão da fossa posterior com redução do tamanho da cavidade siringomiélica. Relatamos o caso de paciente de 49 anos com cisterna magna impactada sem a presença de siringo-hidromielia (SM). O quadro clínico caracterizava-se por paraparesia espástica. A ressonância magnética evidenciou a cisterna magna preenchida pelas tonsilas cerebelares. Seis meses após a descompressão osteodural-neural da fossa posterior, houve resolução dos sintomas e sinais neurológicos, com exceção da hiperatividade dos reflexos patelares e aquileus.


Subject(s)
Humans , Male , Middle Aged , Arnold-Chiari Malformation/diagnosis , Cisterna Magna , Paraparesis, Spastic/diagnosis , Arnold-Chiari Malformation/complications , Arnold-Chiari Malformation/surgery , Decompression, Surgical , Magnetic Resonance Imaging , Paraparesis, Spastic/etiology , Paraparesis, Spastic/surgery
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