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NTT DATA Completes Validation of Medical Imaging Solution “MaestroAI” With Spanish Patient Data

NTT DATA, a global digital business and IT services leader, announces the successful completion of validation of its medical imaging solution “MaestroAI” for kidney localization and abnormalities detection in anticipation of the system’s global release. The testing was conducted in Spain from January 2021 to July 2022, using abdominal CT image data of Spanish patients, in collaboration with NTT DATA Group’s local subsidiary NTT DATA Spain, SLU, and Fundació Puigvert, Spanish local hospital and one of the country’s leading medical centers. By avoiding bias in AI performance towards specific groups of people (ex. countries), NTT DATA aims to meet the criteria for AI ethics and implement the AI in numerous countries in the future.
The validation involved fine-tuning the MaestroAI solution and validating its performance using Spanish patient data. The results confirmed that MaestroAI is highly performant on both the original learning dataset (US) along with the new country’s dataset (Spain).

NTT DATA will support medical image diagnosis on global scale by providing this highly applicable AI.

Diagnosis of medical images requires assessing the presence or absence of a wide variety of diseases. As such, it is important for physicians to have not only a wide breadth of knowledge, but also many years of experience. Considerable time is required for radiologists, who principally conduct the diagnosis of medical images, to acquire sufficient knowledge and experience.
Medical imaging devices (modalities) continue to evolve, and the number of images requiring diagnosis is constantly on the rise. With the shortage of medical specialists around the world, AI technology is increasingly being seen as a means of a supporting tool for clinical decision in hospital settings.

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MaestroAI solution is an algorithm based on deep learning, developed by NTT DATA, to support medical image diagnosis by detecting abnormalities in various organs. The majority of products related to AI diagnosis focus on preventing serious diseases from being overlooked and are used to diagnose a single type of disorder. By contrast, MaestroAI is able to comprehensively detect all abnormal areas within the target organ. This supports a broader range of medical diagnostics and helps address the issue of shortage of doctors by ensuring greater efficiency in diagnosis.

Ethical issues are often cited in discussions of the utilization of AI in the medical field. AI results are often assumed to be objective and fair, but in reality, biases in training data can impact the results. When considering the utilization of AI for actual diagnosis, it is necessary to be aware of this possibility, and conduct design, development, and testing to prevent such bias. In developing global solutions, NTT DATA considers it important to provide AI appropriately adjusted to each country’s data so that the accuracy of anomaly detection will not vary drastically depending on the country.

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