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Leukoencephalopathy with brainstem and spinal cord involvement and high brain lactate: report of three brazilian patients
Távora, Daniel Gurgel Fernandes; Nakayama, Mauro; Gama, Rômulo Lopes; Alvim, Thereza Cristina de Lara; Portugal, Dalton; Comerlato, Enio Alberto.
  • Távora, Daniel Gurgel Fernandes; The Sarah Network of Hospitals for Rehabilitation. Departments Radiology. Fortaleza. BR
  • Nakayama, Mauro; The Sarah Network of Hospitals for Rehabilitation. Departments Radiology. Fortaleza. BR
  • Gama, Rômulo Lopes; The Sarah Network of Hospitals for Rehabilitation. Departments Radiology. Fortaleza. BR
  • Alvim, Thereza Cristina de Lara; The Sarah Network of Hospitals for Rehabilitation. Departments Radiology. Fortaleza. BR
  • Portugal, Dalton; The Sarah Network of Hospitals for Rehabilitation. Departments Clinical Neurology. Fortaleza. BR
  • Comerlato, Enio Alberto; The Sarah Network of Hospitals for Rehabilitation. Departments Clinical Neurophysiology. Fortaleza. BR
Arq. neuropsiquiatr ; 65(2b): 506-511, jun. 2007. tab, ilus
Article in English | LILACS | ID: lil-456862
ABSTRACT
A novel leukoencephalopathy was recently identified based on magnetic resonance imaging (MRI) and proton magnetic resonance spectroscopy (¹H-MRS) findings. Leukoencephalopathy with brainstem and spinal cord involvement and high lactate (LBSL) is an autosomal recessive disorder characterized by early onset of symptoms and slowly progressive cerebellar, pyramidal and spinal cord dorsal column dysfunction. MRI and ¹H-MRS typically show abnormalities within cerebral and cerebellar white matter, a characteristic involvement of brainstem and spinal cord tracts and elevated lactate in the abnormal white matter. We present three cases with characteristic clinical and neuroimaging findings of this disorder. Some additional unique findings of our patients are discussed, like distal motor neuropathy and elevated creatine kinase in the serum.
RESUMO
Uma nova leucoencefalopatia foi recentemente descrita com base em achados característicos de ressonância magnética e espectroscopia de prótons por ressonância magnética. Leucoencefalopatia com envolvimento do tronco cerebral e da medula espinal e elevação do lactato cerebral é uma doença autossômica recessiva de aparecimento precoce e evolução lenta, caracterizada por disfunção cerebelar, piramidal e das colunas dorsais da medula. Ressonância magnética e espectroscopia de prótons tipicamente demonstram anormalidades na substância branca cerebral e cerebelar, com envolvimento característico de tratos no tronco encefálico e na medula espinhal e aumento de lactato na substância branca cerebral anormal. Relatamos três casos com achados clínicos e de neuroimagem característicos. Achados adicionais peculiares aos nossos pacientes são discutidos, como a elevação da creatina-quinase sérica e a presença de neuropatia motora distal.
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Spinal Cord / Brain Stem / Leukoencephalopathy, Progressive Multifocal / Lactic Acid Type of study: Prognostic study Limits: Adolescent / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: The Sarah Network of Hospitals for Rehabilitation/BR

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Full text: Available Index: LILACS (Americas) Main subject: Spinal Cord / Brain Stem / Leukoencephalopathy, Progressive Multifocal / Lactic Acid Type of study: Prognostic study Limits: Adolescent / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: The Sarah Network of Hospitals for Rehabilitation/BR