نتایج جستجو برای: histopathological method
تعداد نتایج: 1662361 فیلتر نتایج به سال:
the aims of this study were to detect helicobacter pylori (h. pylori) by culture, polymerase chain reaction (pcr) and histopathological methods, to determine the prevalence of active h. pylori infection in elazig province, east of turkey and to evaluate the relationship between h. pylori infection and sex. antrum and corpus samples of 184 turkish patients (85 male and 99 female, age range 17 to...
background: nowadays use of specific antivenin for latrodectism is considered as the most effective treatment in the world. this study was undertaken to investigate the efficacy of specific antivenom against histopathological complications caused by latrodectus dahli venom on liver, heart and kidneys tissues within 72 h. methods: two groups were selected, each one contained 6 male new zealand r...
statement of problem: various factors are involved in causing inflammation following root canal treatment. controlling these factors may relieve the related pain. one of these factors is extrusion of debris beyond the apex. although debris extrusion happens in all instrumentation techniques, researchers have declared that in coronal flaring technique, there is minimum debris extrusion. purpose:...
although the majority of the patients with traumatic brain injury presents with injuries involving the extremities, there was a clear paucity of adequate experimental polytrauma models. to close this gap, we conducted several studies to establish two different polytrauma mice models including both closed and open traumatic brain injury. male c57bl mices with a mean weight of 23g were anesthetiz...
background and objective: smoking can be associated with the decreasing gingival blood flow and epithelial changes. the aim of this study was to evaluate the histopathological changes of gingival epithelium and connective tissue in smokers. methods: the study was case-control. sixty male patients (28 smokers and 32 nonsmokers) suffering chronic periodontitis were participated in the study. peri...
the modern surgical endodontic treatment is a safe and predictable procedure with high success rate. however, several factors can retard or impede the proper healing process. use of a high speed handpiece during hard tissues management (osteotomy and apical resection) can potentially be one of these factors. formation of metallic debris from the surgical diamond burs, production of necrotic loc...
the toxic impact of copper sulfate in lethal and sublethal concentrations was investigated on gill of grass carp, ctenopharynogodon idella . in this investigation, 27 specimens were used as control group and three treatment groups were treated with 2.5 and 5mg/l of copper sulfate. gill samples were collected from each treatment after 96hr and lesions were analyzed by light microscopy. in histop...
schwannomas are benign neoplasms with unknown etiology, which apparently arise from neural sheath schwann cells. intraoral schwannomas are solitary, slow-growing lesions occurring at different ages; these lesions are normally asymptomatic and in some cases, they are accompanied by pain and paresthesia if spotted in the intraosseous regions of the mandibles. definitive diagnosis of schwannoma is...
Histopathological image classification is one of the most important steps for disease diagnosis. We proposed a method for multiclass histopathological image classification based on deep convolutional neural network referred to as coding network. It can gain better representation for the histopathological image than only using coding network. The main process is that training a deep convolutiona...
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