The study proposes an integrated approach to automated cervical intraepithelial neoplasia (CIN) diagnosis in epithelial patches extracted from digital histology images. The model ensemble, combined CNN classifier, and highest-performing fusion approach achieved an accuracy of 94.57%. This result demonstrates significant improvement over the state-of-the-art classifiers for cervical cancer histopathology images and promises further improvement in the automated diagnosis of CIN.
The paper proposes an integrated approach to the automated diagnosis of cervical intraepithelial neoplasia (CIN) in epithelial patches extracted from digital histology images. Experiments were conducted to determine the most suitable deep learning model for the dataset and fuse patch predictions to decide the final CIN grade of the histology samples. Seven candidate CNN architectures were assessed in this study. Three fusion methods were applied to the best CNN classifier. The model ensemble, combined CNN classifier and highest performing fusion method achieved an accuracy of 94.57%. This result shows significant improvement over the state-of-the-art classifiers for cervical cancer histopathology images. It is hoped that this work will contribute towards further research to automate diagnosis of CIN from digital histopathology images.
Background Pulmonary abscesses may be cavitary lesions on thoracic radiographs and computed tomography (CT).Case report A 26-day-old, cross-breed lamb presented for respiratory distress despite procaine penicillin treatment. Thoracic radiographs revealed several pulmonary ovoid thin-walled gas and soft tissue opacity structures. CT showed that these gas-filled structures enclosed mildly contrast enhancing soft tissue attenuating material and surrounded the lobar bronchus to the right middle and caudal lung lobes. Imaging revealed pulmonary cavitary lesions, and chronic pulmonary abscesses was confirmed with histopathology on samples obtained from a right caudal lung lobectomy.
ConclusionTo the authors' knowledge, this is the first radiographic and CT report of cavitary pulmonary lesions in a lamb. The pulmonary abscesses in this case were suspected to be due aspiration pneumonia occurring during bottle feeding, along with the high possibility of failure of passive transfer from its orphan history.
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