白质水肿中异常的角膜透明蛋白样形态。

C W Van Wyk, S C Ambrosio, P C van der Vyver
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引用次数: 8

摘要

对12例白质水肿活检标本及50例脱皮上皮细胞进行电镜、组织化学及光镜观察。为了进行比较,我们对4例健康的口腔黏膜和29例不同病理状态的口腔黏膜进行了类似的观察。只有在白质水肿中才会遇到一系列结构,包括核糖体和电子致密团块的聚集,或电子致密物质的网络,或具有中心致密核的电子致密网络或具有几个中心空腔的实体。组织化学染色和RNA提取研究表明,它们可能是角透明素颗粒的异常形式,核糖体是其组成的重要成分。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Abnormal keratohyalin-like forms in leukoedema.

Electron microscopic, histochemical and light-microscopic studies were carried out on biopsy specimens of 12 cases of leukoedema and on the desquamated epithelial cells of a further 50 examples. For comparison, similar observations were made of 4 examples of healthy cheek mucosa and 29 cases of a variety of pathological conditions of the oral mucosa. Only in leukoedema were a series of structures encountered which consisted of an aggregation of ribosomes and electron dense masses, or a network of electron-dense material, or an electron-dense network with a central dense core or a solid body with a few central cavities. Histochemical stains and RNA extraction studies showed that they are probably abnormal forms of keratohyalin granules and that ribosomes is an important component of their composition.

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