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  • 1
    ISSN: 1432-0533
    Keywords: Pleomorphic polyglucosan body ; Bielschowsky body ; Lafora body ; Corpora amylacea
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A rare case with pleomorphic intra-neuronal polyglucosan bodies is reported. A 45-year-old man died of gastric carcinoma with extensive visceral involvement. The autopsy showed numerous intra-neural pleomorphic PAs-positive deposits reminiscent of Bielschowsky bodies in the lateral segments of the pallidum, substantia nigra, and brain stem on both sides. Their histochemical properties were consistent with polyglucosan. The bodies were ultrastructurally composed of filamentous structures and seen in perikarya, axons, and dendrites. Occasionally, spotty electron-dense material was seen in the center of the bodies. The filaments were selectively stained with thiocarbohydrazide method after Thiéry, indicating their chief component as glucose polymers. The bodies are compared with Bielschowsky bodies, Lafora bodies, corpora amylacea, and related bodies, and their nature and significance are briefly discussed.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0533
    Keywords: β-Galactosidase and neuraminidase deficiency ; Neuronal inclusion bodies ; Ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary An autopsy case of a Japanese male with familial β-galactosidase and neuraminidase deficiency is reported. The clinical picture was characterized by adult onset, a gargoyle-like face, cerebellar ataxia, myoclonus, convulsions, retinal degeneration and cortical blindness. Histopathologically, most neurons seemed to have become degenerated in the whole cerebral cortex. Moreover, the calcarine cortex appeared spongy with depopulation of nerve cells. Stuffed neurons or neuronal storage changes were found throughout the brain, especially in the motor nuclei of the spinal cord and brain stem. The inclusions in the stuffed neurons revealed various profiles on the electron microscope. They were composed of membranous lamellar and/or multilamellar structures, often accompanying vacuoles and reminiscent of lipofuscin-like profiles.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 67 (1985), S. 103-113 
    ISSN: 1432-0533
    Keywords: Sibling ; Early infancy ; Convulsions ; Demyelination ; Normal long-chain fatty acids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Reported here are two siblings with sudanophilic leukodystrophy occurring in early infancy. Soon after birth, high fever, distension of the abdomen and spasticity of the extremities were noted. Neurologic disorders, frequent convulsive seizures, and malnutrition caused both siblings to die at the age of 3 and 6 months, respectively. Neuropathologic examination of the brain revealed diffuse demyelination in the cerebral and cerebellar white matter as well as a disturbance of the myelination, especially in the descending pathway. Numerous sudanophilic lipids and glial fibers proliferated in the demyelinated areas. neurochemically, there was a marked decrease in all lipid components, cholesterol, phospholipids, and glycolipids and an increase in cholesterol ester. Fatty-acid composition of cerebroside and sulfatide, especially that of long-chain acids, was within normal range, unlike the fatty-acid composition found in connatal Pelizaeus-Merzbacher disease. The brain damage in postnatal infant caused by frequent convulsive seizures and the severe demyelination in the cerebral and cerebellar white matter in both patients are discussed. The cases of sudanophilic leukodystrophy and Pelizaeus-Merzbacher disease occurring in children under 5 years of age are reviewed.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0533
    Keywords: Neuronal ceroid-lipofuscinosis ; Membranous cytoplasmic body ; Ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary An autopsy case of adult neuronal ceroid-lipofuscinosis was examined. The clinical picture was charaterized by gait disturbance, bulbar palsy and dementia. Histopathologically, diffuse neuronal loss was found throughout the central nervous system. The remaining neurons, predominantly in the motor nuclei of the spinal cord and brain stem, were swollen with storage material. Observed under the electron microscope the storage material showed various ultrastructures, such as lipofuscin-like bodies, pleomorphic lipid bodies, curvilinear profiles and finger-print profiles, in different regions of the central nervous system. In the ballooned neurons of the spinal anterior horn, many membranous cytoplasmic bodies and curvilinear profiles were intermingled within the same cell and were continuous with each other. Biochemically,N-acetyl neuraminic acid content was significantly increased in the spinal anterior horn. These findings suggest the localized increase of ganglioside in that region.
    Type of Medium: Electronic Resource
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