Automated detection method of thoracic aorta calcification from non-contrast CT images using mediastinal anatomical label map

Hidenobu Suzuki; Yoshiki Kawata; Toshihiko Sugiura; Nobuhiro Tanabe; Yuji Matsumoto; Takaaki Tsuchida; Masahiko Kusumoto; Kazuyoshi Marumo; Masahiro Kaneko; Noboru Niki

doi:10.1117/12.2654043

7 April 2023 Automated detection method of thoracic aorta calcification from non-contrast CT images using mediastinal anatomical label map

Hidenobu Suzuki, Yoshiki Kawata, Toshihiko Sugiura, Nobuhiro Tanabe, Yuji Matsumoto, Takaaki Tsuchida, Masahiko Kusumoto, Kazuyoshi Marumo, Masahiro Kaneko, Noboru Niki

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Proceedings Volume 12465, Medical Imaging 2023: Computer-Aided Diagnosis; 1246519 (2023) https://doi.org/10.1117/12.2654043
Event: SPIE Medical Imaging, 2023, San Diego, California, United States

Abstract

Progression of thoracic aortic calcification (TAC) has been shown to be associated with hard cardiovascular events including stroke and all-cause mortality as well as coronary events. In this study, we propose an automated detection method of TACs of non-contrast CT images using mediastinal anatomical label map. This method consists of two steps: (1) the construction of a mediastinal anatomical label map, and (2) the detection of TACs using the intensity and the mediastinal anatomical label map. The proposed method was applied to two non-contrast CT image datasets: 24 cases of chronic thromboembolic pulmonary hypertension (CTEPH) and 100 non-CTEPH cases of low-dose CT screening. The method was compared with two-dimensional U-Nets and the Swin UNETR. The results showed that the method achieved significantly higher F1 score of 0.937 than other methods for the non-CTEPH case dataset (p-value < 0.05, pairwise Wilcoxon signed rank test with Bonferroni correction).

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Hidenobu Suzuki, Yoshiki Kawata, Toshihiko Sugiura, Nobuhiro Tanabe, Yuji Matsumoto, Takaaki Tsuchida, Masahiko Kusumoto, Kazuyoshi Marumo, Masahiro Kaneko, and Noboru Niki "Automated detection method of thoracic aorta calcification from non-contrast CT images using mediastinal anatomical label map", Proc. SPIE 12465, Medical Imaging 2023: Computer-Aided Diagnosis, 1246519 (7 April 2023); https://doi.org/10.1117/12.2654043

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