Distal infantile neuroaxonal dystrophy – a new familial variant with perineuronal argyrophilic bodies
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ID: 118406
1970
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Abstract
We report on two sisters with an infantile onset of dyskinetic movements, tonic spasms, seizures and apneic spells. The condition deteriorated to a hypotonic "burnt out" stage by the age of 3 years in the older sister and to a stable dyskinetic condition by the age of 2.5 years in the younger one. A skin biopsy from the older sister revealed myelinated nerve fibers crowded with neurofilaments. The extensive investigation for neurometabolic disorder, magnetic resonance imaging of the brain, and ophthalmological and neurophysiological examinations were not especially revealing. The older sister died at the age of 3 years. The autopsy revealed no apparent loss of nerve cells in the brain and no sign of storage disease. However, silver-stained coarse granules, immunopositive for neurofilament polypeptide, were found around nerve cell bodies in the cortex and in the basal ganglia. Electron microscopy revealed perineuronal membrane-bound profiles filled with filaments. Silver-stained axonal torpedoes were found in the cerebellum, but there were no spheroids. The substantia nigra, the locus ceruleus and the nucleus basalis of Meynert showed extensive perineuronal and perivascular swelling. Homovanillic acid was severely reduced, while 5-hydroxyindoleacetic acid and hydroxymethylphenyl glycol were normal in the cerebrospinal fluid of the severely affected, autopsied case. The two cases are considered to represent a new form of infantile neuroaxonal dystrophy, characterized by the degeneration of perineuronal terminals in the cerebral cortex and in the basal ganglia, as well as by axonal degeneration in the cerebellum and peripheral nerves.
| Reference Key |
kyllerman1970actadistal
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| Authors | M. Kyllerman;J.-E. Månsson;M. Lichtenstein;A. Percy;C. Nordborg;M. Kyllerman;J.-E. Månsson;M. Lichtenstein;A. Percy;C. Nordborg; |
| Journal | acta neuropathologica |
| Year | 1970 |
| DOI |
doi:10.1007/s004010000358
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