نتایج جستجو برای: histopathological feature
تعداد نتایج: 269208 فیلتر نتایج به سال:
conclusions test-retest and correlation analyses have identified non-redundant radiomics features and this feature are prone to errors if they employed as quantitative biomarker for gbm image analysis. however when we use robust and redundant feature, quantitative image radiomics features are informative and prognostic biomarkers for gbm magnetic resonance imaging. results results shows that th...
Automatic classification of colon into normal and malignant classes is complex due to numerous factors including similar colors in different biological constituents of histopathological imagery. Therefore, such techniques, which exploit the textural and geometric properties of constituents of colon tissues, are desired. In this paper, a novel feature extraction strategy that mathematically mode...
dear editor-in-chief lesional histopathological features in pityriasis rosea (pr) are non-specific (1). our aim here is to investigate whether a histopathological take-off sign (tos) is associated with pr.
Objective(s): This study addresses feature selection for breast cancer diagnosis. The present process uses a wrapper approach using GA-based on feature selection and PS-classifier. The results of experiment show that the proposed model is comparable to the other models on Wisconsin breast cancer datasets. Materials and Methods: To evaluate effectiveness of proposed feature selection method, we ...
Objective: The aim of this study is to evaluate the accuracy of transvaginal ultrasound (U/S) criteria in the diagnosis of adenomyosis and to correlate the U/S feature with histopathological results. Materials and Methods: A total of 53 consecutive patients undergoing hysterectomy for adenomyosis were pre-operatively subjected to transvaginal U/S examination in this prospective study. The diagn...
OBJECTIVES As part a Program Project to evaluate emerging optical technologies for cervical neoplasia, our group is performing quantitative histopathological analysis of biopsies from 1,800 patients. Several methodological issues have arisen with respect to this analysis: (1) Finding the most efficient way to compensate for staining intensity variation with out losing diagnostic information; (2...
The main unifying feature of cases with frontotemporal dementia (FTD) is the pattern of brain atrophy. Surprisingly, there are a variety of underlying histopathologies in cases with the clinical features and typical pattern of atrophy characterizing FTD. This suggests that the degenerative mechanism(s) associated with pyramidal cell loss and gliosis in FTD is likely to be similar in the differe...
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...
Biological therapy is opening up a new age for the treatment of cancer. The bacteria -cancer interaction was firstly observed by Busch and Fehleisen (1). To reducing potential pathogenicity using active bacterial, bacterial products like proteins, enzymes, immune-toxins, that straightaway target malignancy cells regress volume tumor through expansion inhibition, induction apoptosis (2). This st...
Introduction In December 2019, a novel coronavirus, SARS-CoV-2, was identified. Whilst pregnant women appear to be at risk of severe infection, pre-term birth, and stillbirth, it is unclear whether placental dysfunction consistent feature maternal SARS-CoV-2 infection during pregnancy. We aim describe the immune response in placentas who had COVID-19 pregnancy investigate there are any associat...
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