THE ALGORITHM OF IMAGING METHODS IN THE DIFFERENTIAL DIAGNOSIS OF FOCAL LIVER FORMATIONS ON THE EXAMPLE OF CLINICAL CASES
Abstract
The modern task of various medical imaging methods is diagnostic alertness in relation to liver tumor lesions. Focal liver diseases, including malignant ones, are usually asymptomatic, so early and accurate diagnosis cannot be overestimated. Traditional transabdominal ultrasound remains the basic tool for liver examination and has a high specificity. Improvements in ultrasound technology can also increase the sensitivity of the method. To date, extensive experience has been gained in using various imaging methods in the diagnosis of focal liver lesions such as simple and complex cysts, hemangiomas, abscesses, adenomas, focal nodular hyperplasia, and malignancies. Despite the fact that most of the focal formations of the liver are benign, the risk of malignancy remains high, and the correct monitoring tactics are determined after a detailed examination. New highly informative diagnostic techniques make it possible to identify focal formations in the early stages of the tumor process with a size of less than 1 cm. The issue of the difficulty of detecting focal, including malignant, lesions against the background of cirrhotic liver transformation remains relevant. The choice of an algorithm for visualizing various liver lesions should be based on the predicted results, advantages, disadvantages and contraindications of each method, specificity, sensitivity, and patient safety.
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