[肾小球淀粉样变性中的基底膜不均匀性]
[Basal membrane unevenness in glomerular amyloidosis].
作者信息
Tóth T
出版信息
Morphol Igazsagugyi Orv Sz. 1989 Jan;29(1):12-7.
Author has studied in 5 needle-biopsy and 25 autopsy samples the wall unevennesses of the glomerular capillary loops developing in kidney amyloidosis. In all cases subepithelial spikes consisting of parallel amyloid fibres were observed. In half of the cases, similar structures occurred also subendothelially. In silver-stained preparations they were readily identified by their increased argyrophilia. In all cases nodular features composed of irregular amyloid fibres were subendothelially present resulting in a considerable narrowing of the lumen. The spikes and nodules causing the unevenness of the basement membrane are of diagnostic value in glomerular amyloidosis.
作者对5例肾活检样本和25例尸检样本进行了研究，观察肾淀粉样变性中肾小球毛细血管袢壁的不均匀性。在所有病例中均观察到由平行淀粉样纤维组成的上皮下钉突。半数病例中，内皮细胞下也出现了类似结构。在银染标本中，它们因嗜银性增强而易于识别。在所有病例中，由不规则淀粉样纤维组成的结节状特征位于内皮细胞下，导致管腔明显狭窄。导致基底膜不均匀的钉突和结节在肾小球淀粉样变性中具有诊断价值。
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