放线菌病和放线菌病硫颗粒的组织学和超微结构比较。

M Kubo, M Osada, S Konno
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摘要

对放线菌病和放线菌病的硫粒进行了组织学和超微结构研究。放线菌病的硫粒较大,呈椭圆形或马蹄形。其中,在棍棒下方有大量革兰氏阳性、丝状或短杆状菌丝。超微结构上,硫粒中心由一簇菌丝组成,外围呈放射状排列的棒状物包围。球杆由电子致密的细颗粒组成,中心有一个退化的菌丝。这些颗粒的量从小到大不等。在宿主反应中,硫粒周围首先出现中性粒细胞浸润。上皮样细胞增殖并吞噬菌丝。最后,增生的成纤维细胞包围它们,形成微小的肉芽肿。放线菌病的硫粒较小,呈分叶状。在这个实验中,一些革兰氏阴性的短棒状细菌存在于棒子下面。从超微结构上看,硫粒中心含有完整或退化的细菌,外围由径向突出的棒状细胞组成。这些球棒是由电子密集的无定形材料制成的,其中几层管状结构同心包围着细菌。宿主反应与放线菌病反应基本相同。成纤维细胞增生明显。这些细胞有形成许多微小肉芽肿的强烈倾向。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A histological and ultrastructural comparison of the sulfur granule of the actinomycosis and actinobacillosis.

The sulfur granules of actinomycosis and actinobacillosis were studied histologically and ultrastructurally. The sulfur granule of actinomycosis was large, and oval or horsehoe-shaped. In it, there were a number of gram-positive, filamentous or short rod-like hyphae beneath clubs. Ultrastructurally, the center of the sulfur granule was composed of a cluster of hyphae, and the periphery was surrounded by clubs arranged radially. The clubs were made of electron-dense fine granules and had a degenerated hypha at the center. These granules varied in amount from small to large. As for the host reaction, neutrophil infiltration appeared first around the sulfur granule. Then epithelioid cells proliferated and phagocytized hyphae. Finally, proliferating fibroblasts enclosed them and formed tiny granulomas. The sulfur granule of actinobacillosis was small and lobulated. In it, a number of gram-negative, short rod-like bacteria were present beneath clubs. Ultrastructurally, the center of the sulfur granule contained intact or degenerated bacteria, and the periphery was composed of radially projecting clubs. These clubs were made of electron-dense amorphous material, in which several layers of tubular structures surrounded the bacterium conentrically. The host reaction was almost the same as that of actinomycosis. The proliferation of fibroblasts was prominent. There was a strong tendency for these cells to form many tiny granulomas.

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