Lobe-specific micro-nodule analysis of pneumoconiosis progression 
using 3D CT images

Y. Hashimoto; M. Matsuhiro; H. Suzuki; Y. Kawata; Y. Ohtsuka; T. Kishimoto; K. Ashizawa; N. Niki

doi:10.1117/12.2612812

4 April 2022 Lobe-specific micro-nodule analysis of pneumoconiosis progression using 3D CT images

Y. Hashimoto, M. Matsuhiro, H. Suzuki, Y. Kawata, Y. Ohtsuka, T. Kishimoto, K. Ashizawa, N. Niki

Author Affiliations +

Proceedings Volume 12037, Medical Imaging 2022: Imaging Informatics for Healthcare, Research, and Applications; 120370H (2022) https://doi.org/10.1117/12.2612812
Event: SPIE Medical Imaging, 2022, San Diego, California, United States

Abstract

Pneumoconiosis is an occupational respiratory disease caused by inhaling dust into the lungs. In Japan, 240,000 people undergo pneumoconiosis screening every year. X-rays are used worldwide to classify the severity of pneumoconiosis. It is important to distinguish between stage 0/1 and stage 1/0, which are eligible for recognition of occupational injury. CT images are expected to provide more accurate diagnosis because they can be confirmed in three dimensions compared to X-rays. We extract micro-nodules from 3D CT images for each severity of pneumoconiosis, and analyze and evaluate the number, size, and CT values of micro-nodules in each lung lobe.

Conference Presentation

Citation Download Citation

Y. Hashimoto, M. Matsuhiro, H. Suzuki, Y. Kawata, Y. Ohtsuka, T. Kishimoto, K. Ashizawa, and N. Niki "Lobe-specific micro-nodule analysis of pneumoconiosis progression using 3D CT images", Proc. SPIE 12037, Medical Imaging 2022: Imaging Informatics for Healthcare, Research, and Applications, 120370H (4 April 2022); https://doi.org/10.1117/12.2612812

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