ISSN:
1434-4726
Keywords:
Localized laryngeal amyloidosis
;
Light microscopy
;
Electron microscopy
;
Immunohistochemistry
Source:
Springer Online Journal Archives 1860-2000
Topics:
Medicine
Notes:
Summary We performed light and electron microscopic studies in a case of localized supraglottic laryngeal amyloidosis involving a 55-year-old woman. Tissue specimens were stained with hematoxylin and eosin, and alkaline Congo red with or without permanganate (KMnO4) treatment, and were also examined with peroxidase-antiperoxidase immunohistochemistry. Biopsy specimens from the epiglottis showed diffuse replacement of the subepithelial region by amyloid, which showed a typical green birefringence under polarized light. Tissue affinity for Congo red was persistent after the KMnO4 treatment. However, the tissue sections showed a positive reaction only to the anti-P component antibody. Electron microscopic studies revealed some disorders of the plasma cells, suggesting that these cells play an important role in focal production of amyloid fibrils.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00464264
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