Study on best WW/WL values of chest posterior-anterior digital medical images in soft-copy reading
- VernacularTitle:胸部数字化影像软阅读时利于细微结构显示的窗宽窗位的研究
- Author:
Ling ZHENG
;
Haifeng GU
;
Liyou YUAN
- Publication Type:Journal Article
- Keywords:
digital radiography;
soft-copy reading;
window wide window level
- From:
Chinese Medical Equipment Journal
1989;0(01):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To improve the diagnostic accurate rate by studying best values of chest posterior-anterior digital medical images in soft-copy reading. Methods 100 normal adults’ chest posterior-anterior digital medical images in recent 10 days in our hospital were randomly chosen. Five specialists of our department were invited to see these images by soft-copy reading and the best WW/WL values of different parts of the chest they selected were recorded. All the data were analyzed in statistics and the best WW/WL was got. Results The best WW/WL values of soft tissues of chest wall were 2 083/4 840,ribs 2 667/4 908,lung fiber 2 067/4 960,hilum of lung 1 848/5 130,heart and large vessels 2 206/5 438,mediastinum and diaphragm 2 180/5 530,thoracic vertebrae 1 471/5 801,ribs that covered by heart and diaphragm1 428/5 975. Conclusion Different parts in chest poster -anterior digital medical images need special WW/WL in soft-copy reading for better diagnosis of images.
