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Arq. neuropsiquiatr ; 67(4): 1054-1056, Dec. 2009. ilus
Article in English | LILACS | ID: lil-536015

ABSTRACT

In two siblings with clinical diagnosis of horizontal gaze palsy associated with progressive scoliosis (HGPPS) we could demonstrate by diffusion tensor imaging: (1) An anterior displacement of the transverse pontine fibers; (2) Posterior clumping of the corticospinal, medial lemniscus and central tegmental tracts and of the medial and dorsal longitudinal fasciculi complex; (3) Absent decussation of superior cerebellar peduncle. Those findings can contribute as surrogate markers for the diagnosis.


Em dois irmãos com diagnóstico clínico de paralisia do olhar conjugado horizontal associada a escoliose progressiva, foi possível determinar através de imagens por tensores de difusão: (1) Deslocamento anterior das fibras pontinas transversas; (2) Agrupamento posterior do trato córtico-espinhal, lemnisco medial e trato tegmentar central e complexos dos fascículos longitudinais medial e dorsal; (3) Ausência da decussação dos pedúnculos cerebelares superiores. Tais achados podem contribuir como marcadores para o diagnóstico.


Subject(s)
Child , Child, Preschool , Female , Humans , Male , Diffusion Magnetic Resonance Imaging/methods , Nerve Fibers, Myelinated , Ocular Motility Disorders/diagnosis , Pons , Scoliosis/diagnosis , Nerve Fibers, Myelinated/pathology , Ocular Motility Disorders/complications , Ocular Motility Disorders/pathology , Pons/pathology , Scoliosis/complications
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