Austrian study focuses on role of AI in brain tumors

By AuntMinnieEurope.com staff writers

January 20, 2023 -- The distinction between primary tumors and metastases can be made quickly and accurately in brain tumors using radiomics and artificial intelligence (AI) deep-learning algorithms, according to researchers from Karl Landsteiner University of Health Sciences in Krems.

The group showed that MRI-based data of tumor oxygen metabolism provide an excellent basis for differentiating tumors using neural networks. The combination of "oxygen metabolic radiomics" with analyses by an AI algorithm was clearly superior to evaluations by human experts in all essential criteria, the university said, in a news release issued on 18 January.

"Our approach succeeded in achieving better distinctions between the tumor types than human experts were able to achieve in comparison," said Prof. Andreas Stadlbauer, from the Institute of Medical Radiology. "In all important differentiation criteria such as accuracy, sensitivity, specificity, and precision, the evaluation of MR-based oxygen data by our special neural network was superior to radiologists."

This method was also better than the human evaluations in statistical evaluations such as the F-values and the AUROC, he added.

The study was published online on 14 December in Metabolites.


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