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Interpretation of Sialogram in Sjögren's Disease Takayuki Katoh 1 1Department of Otolaryngology, School of Medicine Chiba University pp.127-131
Published Date 1983/2/20
DOI https://doi.org/10.11477/mf.1492209566
  • Abstract
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 Sialography is one of the useful procedures for the diagnosis of Sjögren's disease, because it reflects faithfully the histopathological processes of this disease.

 The sialogram of Sjögren's disease is characterrized by punctate, globular, cavitary sialectasis due to acinar atrophy, fragmentation and disintegration of these structures, and thin or few ductulus due to myoepithelial hyperplasia which obliterates the lumen. In addition, the extravasation of contrast media from the larger ducts into surrounding tissue is another principal feature. To analyse the mechanism of extravasation of contrast media, the histological examination was undertaken in some cases to investigate elastic fiber around the larger ducts. In the end stage of Sjögren's disease, the disappearance or interruption of the elastic fiber were strikingly observed. This fact means that one of the causes of extravasation of contrast media is due to fragility of the ductal walls.


Copyright © 1983, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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