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Objective: Liver pathologies consist of multiple benign and malignant diseases; shear-wave elastography values vary according to the lesions. In our study, we tried to figure out how to measure the mean shear-wave elastography values in different liver lesions. Methods: Seventeen focal nodular hyperplasia (FNH), 41 hemangiomas, 25 cysts, and 45 malignant lesions were evaluated in 112 patients who had liver pathology. Twenty patients had hepatosteatosis, and fibrosis was present in 26 patients. B-mode and shear wave ultrasonography examinations were performed on defined pathologies. Malignant lesions were histopathologically diagnosed and benign lesions were evaluated according to cross-sectional examination (computerized tomography and magnetic resonance imaging) methods. Results: In our study, the average elastography values were determined as 50.38 kilopascals (kPa) and 3.69 meters per second (m/s) in FNH; 12.54 kPa and 1.97 m/s in hemangiomas; 116.47 kPa and 6.34 m/s in malignant lesions; 8.97 kPa and 1.57 m/s in cysts; 16.54 kPa and 2.30 m/s in cases with hepatosteatosis; and 90.98 kPa and 5.44 m/s in cases with liver fibrosis. Mean values in cysts, hepatosteatosis, and hemangiomas were close to normal; in liver fibrosis, malignant lesions, and FNH, they were higher than normal. Conclusion: We think that shear wave elastography is a promising method for distinguishing benign from malign liver lesions by calculating quantitative values where a biopsy-free diagnosis is preferred in the present day. [ABSTRACT FROM AUTHOR]

Objective: In this study, we aimed to emphasize the importance and frequency of incidental findings detected in chest computed tomography (CT) imaging with suspected coronavirus disease-2019 (COVID-19) pneumonia. Methods: We evaluated lung nodules, emphysema, pleural and pericardial effusion, mediastinal and axillary lymphadenopathy (LAP), gallstones, kidney stones, hepatosteatosis, ascites, lung, breast, liver, adrenal gland, pancreas, and spleen masses whether or not the patients were positive for COVID-19 pneumonia and correlated with their gender and age. Polymerase chain reaction results of the patients were considered whose CT images were suspicious for COVID-19 pneumonia with chest CT. A total of 2,400 patients were included in the study. Patients who had major thoracic or abdominal operations, aged 18 and above 80 years, and images with artifacts were excluded from our study. Results: In older patients, the COVID-19 positivity rate was higher in our study. We also found that the risk of positive COVID-19 results was higher in the presence of incidental findings regardless of their number. Furthermore, incidental findings such as mediastinal LAP (p=0.001), air cyst (p=0.021), and size above 5 mm parenchymal lung nodule (p=0.001) were higher in patients whose COVID-19 results were positive. Conclusion: We demonstrated that clinicians and radiologists should be careful in terms of incidental findings when evaluating whether there is COVID-19 involvement in our study. [ABSTRACT FROM AUTHOR]

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Copyright of Medical Journal of Bakirkoy is the property of Galenos Yayinevi Tic. LTD. STI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)