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Two Babinski signs in seropositive (HAM) and seronegative tropical spastic paraparesis / Dos signos de Babinski en pacientes con paraparesia espástica tropical seropositiva (HAM) y seronegativa
Leon-Sarmiento, Fidias E; Calderon, Andres; Hernandez, Hernan G.
  • Leon-Sarmiento, Fidias E; Fundacion Santa Fe. Neurology Section. Unit of Movement Disorders and Neuromagnetismo. Bogota. CO
  • Calderon, Andres; Universidad Nacional. Uni.ciencias Research Group. Bogota. CO
  • Hernandez, Hernan G; Universidad Nacional. Uni.ciencias Research Group. Bogota. CO
Arq. neuropsiquiatr ; 66(3b): 695-697, set. 2008. ilus, tab
Article in English | LILACS | ID: lil-495535
ABSTRACT
Tropical spastic paraparesis (TSP) may or may not be associated to HTLV-I antibodies and is usually characterized by clinical and pathological spinal cord abnormalities at thoracic levels. We present here five Brazilian patients who had typical chronic idiopatic spastic paraparesis; two of them were HTLV-I seropositive (HAM) and three HTLV-I seronegative (TSP) - associated-myelopathy. Three out of these five patients also displayed clinical supraspinal involvement, indeed, platysma muscle hypotrophy or atrophy (the Babinski plus sign). These findings support the view that clinical involvement in HAM and TSP is wider than the spinal cord abnormalities usually considered. Possible non-infectious co-factors (e.g., mycotoxins) may be involved in disease pathogenesis in a multistep process of viruses, toxins and environment which may account for serological differences found in this group of patients.
RESUMEN
La paraparesia espástica tropical (PET), puede o no estar asociada con anticuerpos contra el HTLV-I y se caracteriza, usualmente, por alteraciones clínicas y patológicas a nivel de region dorso-lumbar de la medula espinal. Presentamos cinco pacientes brasileros, quienes tuvieron hallazgos típicos de paraparesia espástica crónica idiopática; dos de ellos tuvieron (HAM) y tres no tuvieron (TSP) anticuerpos, en el suero, contra el HTLV-I. En tres pacientes se encontró hipotrofia o atrofia del músculo platisma (signo de Babinski plus), demostrando que el compromiso clínico en pacientes con HAM y TSP se extiende más allá de la médula espinal torácica. Cofactores (por ejemplo, micotoxinas) podrían estar involucrados en la patogénesis de esta enfermedad, en una interacción compleja de virus, toxinas y medio ambiente, lo cual explicaría las diferencias serológicas encontradas en este grupo de pacientes.
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Full text: Available Index: LILACS (Americas) Main subject: Paraparesis, Tropical Spastic / Reflex, Babinski / Paraparesis, Spastic Type of study: Diagnostic study Limits: Adult / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2008 Type: Article Affiliation country: Colombia Institution/Affiliation country: Fundacion Santa Fe/CO / Universidad Nacional/CO

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Full text: Available Index: LILACS (Americas) Main subject: Paraparesis, Tropical Spastic / Reflex, Babinski / Paraparesis, Spastic Type of study: Diagnostic study Limits: Adult / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2008 Type: Article Affiliation country: Colombia Institution/Affiliation country: Fundacion Santa Fe/CO / Universidad Nacional/CO