Disorder of cerebellar foliation in walker’s lissencephaly and neu-laxova syndrome

Gilles Lyon, Gerald Raymond, Kimiyo Mogami, Jean François Gadisseux, Elvio Della Giustina

Research output: Contribution to journalArticle

Abstract

A diffuse disorder of cerebellar foliation was found in eight infants and one fetus with Walker’s lissencephaly. Th cerebellar cortex consisted of fused and irregularly distorted folia. In the white matter, trilaminated rings of cortex wei concentrically arranged around blood vessels and mesenchymal tissue. The normal relative position of the different classc of cortical nerve cells was preserved. Cells of the external granular layer invaded the meninges and migrated along penetratin blood vessels. We believe that this foliation disorder is caused by a defect in the external basal lamina that allows adjacer folia to be fused and sulci obliterated by intrameningeal ectopias of external granule layer cells. Physical forces applied durir development probably contribute to the distortion of the gyral pattern. There was a volumetric reduction of the neocerebellun which might also be a consequence of the basal lamina defect. The cerebellum of a fetus with the Neu-Laxova syndrom showed the same abnormalities as in Walker’s lissencephaly. It is postulated that these two conditions belong to a class c prenatal developmental disorders that involves a defect of the extracellular matrix.

Original languageEnglish (US)
Pages (from-to)633-639
Number of pages7
JournalJournal of Neuropathology and Experimental Neurology
Volume52
Issue number6
StatePublished - 1993
Externally publishedYes

Fingerprint

Lissencephaly
Walkers
Cerebellar Diseases
Basement Membrane
Blood Vessels
Fetus
Meninges
Cerebellar Cortex
Neocortex
Cerebellum
Extracellular Matrix
Neurons
Neu Laxova syndrome
White Matter
penetratin

Keywords

  • Brain development
  • Cerebellar granule cells
  • Cerebellar malformation
  • External basal lamina
  • Extracellul: matrix
  • Neu-Laxova syndrome
  • Walker’s lissencephaly

ASJC Scopus subject areas

  • Clinical Neurology
  • Pathology and Forensic Medicine
  • Cellular and Molecular Neuroscience
  • Neurology
  • Neuroscience(all)

Cite this

Disorder of cerebellar foliation in walker’s lissencephaly and neu-laxova syndrome. / Lyon, Gilles; Raymond, Gerald; Mogami, Kimiyo; Gadisseux, Jean François; Giustina, Elvio Della.

In: Journal of Neuropathology and Experimental Neurology, Vol. 52, No. 6, 1993, p. 633-639.

Research output: Contribution to journalArticle

Lyon, Gilles ; Raymond, Gerald ; Mogami, Kimiyo ; Gadisseux, Jean François ; Giustina, Elvio Della. / Disorder of cerebellar foliation in walker’s lissencephaly and neu-laxova syndrome. In: Journal of Neuropathology and Experimental Neurology. 1993 ; Vol. 52, No. 6. pp. 633-639.
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