Precise pulmonary scanning and reducing medical radiation exposure by developing a clinically applicable intelligent CT system: Toward improving patient care

Background: Interstitial lung disease requires frequent re-examination, which directly causes excessive cumulative radiation exposure. To date, AI has not been applied to CT for enhancing clinical care; thus, we hypothesize AI may empower CT with intelligence to realize automatic and accurate pulmon...

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Main Authors: Yang Wang, Xiaofan Lu, Yingwei Zhang, Xin Zhang, Kun Wang, Jiani Liu, Xin Li, Renfang Hu, Xiaolin Meng, Shidan Dou, Huayin Hao, Xiaofen Zhao, Wei Hu, Cheng Li, Yaozong Gao, Zhishun Wang, Guangming Lu, Fangrong Yan, Bing Zhang
Format: Article
Language:English
Published: Elsevier 2020-04-01
Series:EBioMedicine
Online Access:http://www.sciencedirect.com/science/article/pii/S2352396420300992
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author Yang Wang
Xiaofan Lu
Yingwei Zhang
Xin Zhang
Kun Wang
Jiani Liu
Xin Li
Renfang Hu
Xiaolin Meng
Shidan Dou
Huayin Hao
Xiaofen Zhao
Wei Hu
Cheng Li
Yaozong Gao
Zhishun Wang
Guangming Lu
Fangrong Yan
Bing Zhang
author_facet Yang Wang
Xiaofan Lu
Yingwei Zhang
Xin Zhang
Kun Wang
Jiani Liu
Xin Li
Renfang Hu
Xiaolin Meng
Shidan Dou
Huayin Hao
Xiaofen Zhao
Wei Hu
Cheng Li
Yaozong Gao
Zhishun Wang
Guangming Lu
Fangrong Yan
Bing Zhang
author_sort Yang Wang
collection DOAJ
description Background: Interstitial lung disease requires frequent re-examination, which directly causes excessive cumulative radiation exposure. To date, AI has not been applied to CT for enhancing clinical care; thus, we hypothesize AI may empower CT with intelligence to realize automatic and accurate pulmonary scanning, thus dramatically decrease medical radiation exposure without compromising patient care. Methods: Facial boundary detection was realized by recognizing adjacent jaw position through training and testing a region proposal network (RPN) on 76,882 human faces using a preinstalled 2-dimensional camera; the lung-fields was then segmented by V-Net on another training set with 314 subjects and calculated the moving distance of the scanning couch based on a pre-generated calibration table. A multi-cohort study, including 1,186 patients was used for validation and radiation dose quantification under three clinical scenarios. Findings: A U-HAPPY (United imaging Human Automatic Planbox for PulmonarY) scanning CT was designed. Error distance of RPN was 4·46±0·02 pixels with a success rate of 98·7% in training set and 2·23±0·10 pixels with 100% success rate in testing set. Average Dice's coefficient was 0·99 in training set and 0·96 in testing set. A calibration table with 1,344,000 matches was generated to support the linkage between camera and scanner. This real-time automation makes an accurate plan-box to cover exact location and area needed to scan, thus reducing amounts of radiation exposures significantly (all, P<0·001). Interpretation: U-HAPPY CT designed for pulmonary imaging acquisition standardization is promising for reducing patient risk and optimizing public health expenditures. Funding: The National Natural Science Foundation of China. Keywords: Artificial intelligence, Computed tomography, Automatic pulmonary scanning, Interstitial lung disease, Radiation exposure
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spelling doaj.art-4a0bd25af07e47888cc69aba87130c7b2022-12-22T02:00:33ZengElsevierEBioMedicine2352-39642020-04-0154Precise pulmonary scanning and reducing medical radiation exposure by developing a clinically applicable intelligent CT system: Toward improving patient careYang Wang0Xiaofan Lu1Yingwei Zhang2Xin Zhang3Kun Wang4Jiani Liu5Xin Li6Renfang Hu7Xiaolin Meng8Shidan Dou9Huayin Hao10Xiaofen Zhao11Wei Hu12Cheng Li13Yaozong Gao14Zhishun Wang15Guangming Lu16Fangrong Yan17Bing Zhang18Department of Radiology, The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, PR ChinaState Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, PR China; Research Center of Biostatistics and Computational Pharmacy, China Pharmaceutical University, Nanjing 210009, PR ChinaDepartment of Respiratory, The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, PR ChinaDepartment of Radiology, The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, PR ChinaDepartment of Radiology, The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, PR ChinaDepartment of Radiology, The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, PR ChinaDepartment of Radiology, The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, PR ChinaDepartment of Research Center of CT BU, Shanghai United Imaging Healthcare Co., Ltd., 2258 Chengbei Rd., Jiading District, Shanghai 201800, PR ChinaDepartment of Research Center of CT BU, Shanghai United Imaging Healthcare Co., Ltd., 2258 Chengbei Rd., Jiading District, Shanghai 201800, PR ChinaDepartment of Research Center of CT BU, Shanghai United Imaging Healthcare Co., Ltd., 2258 Chengbei Rd., Jiading District, Shanghai 201800, PR ChinaDepartment of Research Center of CT BU, Shanghai United Imaging Healthcare Co., Ltd., 2258 Chengbei Rd., Jiading District, Shanghai 201800, PR ChinaDepartment of Research Center of CT BU, Shanghai United Imaging Healthcare Co., Ltd., 2258 Chengbei Rd., Jiading District, Shanghai 201800, PR ChinaDepartment of Research Center of CT BU, Shanghai United Imaging Healthcare Co., Ltd., 2258 Chengbei Rd., Jiading District, Shanghai 201800, PR ChinaDepartment of Research Center of CT BU, Shanghai United Imaging Healthcare Co., Ltd., 2258 Chengbei Rd., Jiading District, Shanghai 201800, PR ChinaDepartment of Research Center of CT BU, Shanghai United Imaging Healthcare Co., Ltd., 2258 Chengbei Rd., Jiading District, Shanghai 201800, PR ChinaDepartment of Psychiatry and Translational Imaging, Vagelos College of Physicians and Surgeons, Columbia University, New York 10032, United StatesDepartment of Medical Imaging, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, PR ChinaState Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, PR China; Research Center of Biostatistics and Computational Pharmacy, China Pharmaceutical University, Nanjing 210009, PR China; Corresponding author at: Research Center of Biostatistics and Computational Pharmacy, China Pharmaceutical University, No. 639 Longmian Avenue, Nanjing 210009, PR China.Department of Radiology, The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, PR China; Corresponding author.Background: Interstitial lung disease requires frequent re-examination, which directly causes excessive cumulative radiation exposure. To date, AI has not been applied to CT for enhancing clinical care; thus, we hypothesize AI may empower CT with intelligence to realize automatic and accurate pulmonary scanning, thus dramatically decrease medical radiation exposure without compromising patient care. Methods: Facial boundary detection was realized by recognizing adjacent jaw position through training and testing a region proposal network (RPN) on 76,882 human faces using a preinstalled 2-dimensional camera; the lung-fields was then segmented by V-Net on another training set with 314 subjects and calculated the moving distance of the scanning couch based on a pre-generated calibration table. A multi-cohort study, including 1,186 patients was used for validation and radiation dose quantification under three clinical scenarios. Findings: A U-HAPPY (United imaging Human Automatic Planbox for PulmonarY) scanning CT was designed. Error distance of RPN was 4·46±0·02 pixels with a success rate of 98·7% in training set and 2·23±0·10 pixels with 100% success rate in testing set. Average Dice's coefficient was 0·99 in training set and 0·96 in testing set. A calibration table with 1,344,000 matches was generated to support the linkage between camera and scanner. This real-time automation makes an accurate plan-box to cover exact location and area needed to scan, thus reducing amounts of radiation exposures significantly (all, P<0·001). Interpretation: U-HAPPY CT designed for pulmonary imaging acquisition standardization is promising for reducing patient risk and optimizing public health expenditures. Funding: The National Natural Science Foundation of China. Keywords: Artificial intelligence, Computed tomography, Automatic pulmonary scanning, Interstitial lung disease, Radiation exposurehttp://www.sciencedirect.com/science/article/pii/S2352396420300992
spellingShingle Yang Wang
Xiaofan Lu
Yingwei Zhang
Xin Zhang
Kun Wang
Jiani Liu
Xin Li
Renfang Hu
Xiaolin Meng
Shidan Dou
Huayin Hao
Xiaofen Zhao
Wei Hu
Cheng Li
Yaozong Gao
Zhishun Wang
Guangming Lu
Fangrong Yan
Bing Zhang
Precise pulmonary scanning and reducing medical radiation exposure by developing a clinically applicable intelligent CT system: Toward improving patient care
EBioMedicine
title Precise pulmonary scanning and reducing medical radiation exposure by developing a clinically applicable intelligent CT system: Toward improving patient care
title_full Precise pulmonary scanning and reducing medical radiation exposure by developing a clinically applicable intelligent CT system: Toward improving patient care
title_fullStr Precise pulmonary scanning and reducing medical radiation exposure by developing a clinically applicable intelligent CT system: Toward improving patient care
title_full_unstemmed Precise pulmonary scanning and reducing medical radiation exposure by developing a clinically applicable intelligent CT system: Toward improving patient care
title_short Precise pulmonary scanning and reducing medical radiation exposure by developing a clinically applicable intelligent CT system: Toward improving patient care
title_sort precise pulmonary scanning and reducing medical radiation exposure by developing a clinically applicable intelligent ct system toward improving patient care
url http://www.sciencedirect.com/science/article/pii/S2352396420300992
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