In this nationwide multi center study the investigators combine the low dose chest CT scan data with QCT technology, to measure the BMD of spine, VAT and liver fat in the health check subjects. The aim of this study is to evaluate the performance of QCT in the health check field, and further to evaluate the prevalence of osteoporosis, obesity and liver steatosis in health check population across China.
Low dose Chest CT scan is the standard for lung cancer in the health check center in China. Quantitative computed tomography (QCT) is utilizing the CT raw data to measure the bone mineral density (BMD), the visceral fat (VAT) and liver fat content in human, which can be widely used in the diagnosis of osteoporosis, the assessment of obesity and liver steatosis. In this nationwide multi center study the investigators combine the low dose chest CT scan data with QCT technology, to measure the BMD of spine, VAT and liver fat in the health check subjects. This study is to evaluate the performance of QCT in the health check field, and further to evaluate the prevalence of osteoporosis, obesity and liver steatosis in health check population across China.
Study Type
OBSERVATIONAL
Enrollment
30,000
Wu Hu Yijishan Hospital
Wuhu, Anhui, China
RECRUITINGBeijing Jishuitan hospital
Beijing, Beijing Municipality, China
RECRUITINGThe first affiliated hospital of Guiyang Medical University
Guiyang, Guizhou, China
The spinal volumetric bone mineral density (vBMD)
The volumetric bone mineral density of L1-2 measured by QCT
Time frame: 2 year
The visceral adipose tissue (VAT)
The visceral adipose tissue (VAT) measured by quantitative computed tomography (QCT)
Time frame: 2 year
Liver fat
Liver fat measurement by quantitative computed tomography (QCT)
Time frame: 2 years
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The first affiliated hospital of Zhengzhou University
Zhengzhou, Henan, China
RECRUITINGHua Shan hospital
Shanghai, Shanghai Municipality, China
RECRUITINGShanghai Ruijin hospital
Shanghai, Shanghai Municipality, China
RECRUITING