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36 children with Henoch-Schönlein nephritis had their renal biopsy specimens studied by light and electron microscopic and immunofluorescence antibody techniques. Though no pathognomic changes were found the histological picture was characteristic. The severity of histological changes correlated well with the clinical manifestation and disease persistence.(More)
The biochemical and electron-microscopical findings of eight cases of phaeochromocytoma and the ultrastructure of two cases of human adrenal medulla are presented here as regards catecholamine storage. Due to the rarity of phaeochromocytoma, other ultrastructural features are also described. The morphological characteristics of catecholamine-containing(More)
Vascular changes in the course of chronic lupus erythematosus were mainly characterized by a large, yet varying degree of proliferation of endothelial cells. In all cases examined the presence of tubular forms similar to paramyxoviruses was noted. The vascular basal membrane was noted to be either widened, segmentally separated or absent in places. Collagen(More)
In the presented cases, paramyxoviral-like reticulotubular structures were found in morphologically different forms of primary glomerular diseases in children. On the basis of the data obtained it seems likely that the diagnostic significance of these structures during the course of systemic lupus erythematosus and other collagen-related diseases must be(More)