primitive neuroectodermal tumor (pnet) is usually an aggressive, rapidly progressing and metastasizing tumor. occurrence of this type of tumor in the kidney is considered as unusual and few cases have been reported so far. we present a metastatic pnet arising probably from the kidney in a 17-year-old female patient with local invasion and metastasis to the stomach. pnet should be considered as ...

ba c k g r o u nd: skin  metastases occur  in  1-5%  of  solid  tumors  and  are  rarely the presenting sign of internal malignancies. certain features in skin lesions raise suspicion of metastasis from solid tumors. c a s e presentation: in this article a 61-year-old woman is presented with erythematous skin nodules  in  upper  abdomen  and  chest. histopathological evaluation  of  lesions sug...

Currently, the occurrence of diseases in digestive system swine has increased. Environmental stress and gastric bacteria were associated with body imbalance ulcer, which are related to pathological changes stomach. This study aimed investigate stomach histological characteristics beta-agonist free, hygienic, natural different farming methods. Three types swine’s stomachs bought from three farms...

Helicobacter pylori, which is a bacterium that can live in the stomach. Infection occur when bacteria invade and damage stomach wall. Lack of information ignorance public about seriousness these causes various very serious diseases such as inflammation digestive tract (gastritis), gastric bleeding, perforation (leak stomach), infection peritoneal wall (peritonitis) cancer. This expert system ai...

Background and Aims: Cadmium is an important environmental pollutant and a potent toxicant to organisms. However, the toxicity of Cadmium and its influences on stomach is still unclear. We examined the effects of intraperitoneal injection of Cadmium on mRNA expression of Bcl-2 and Bax genes in rat stomach. Materials and Methods: Twenty eight male Wistar rats weighing 200 to 250 g were randomly...