It is presented the case of an old female with a solitary tumor at the level of the thorax. The specimen was processed using the routine histological technique and slides were stained with conventional morphologic, histochemical and immunohistochemical methods. On Hematoxylin-Eosin stained slides were noticed large cells with acidophilic cytoplasm, with granular pattern. S100 protein was intens...

PURPOSE The aim of this paper is to assess the histopathological changes and the condition of oxidative stress in the saliva of the patients with periodontal disease. MATERIALS AND METHODS We have carried out our research on two groups of patients with periodontitis (a group of 16 patients with stage I periodontitis and a group of 16 patients with stage II periodontitis), who we have compared...

The nineteenth century was the time of a real revolution in science and medicine. A lot of seminal discoveries in medicine and biology were done in this time, and many of them were coincident with the introduction of the compound microscope by Hermann van Deijl and the standard histological technique by Paul Ehrlich. The main tissue types and individual cells were characterized and originally c...