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2004•Chinese Imaging Journal of Integrated Traditional and Western MedicineRequires access

Diagnostic value of different low-dose CT scanning in orbital trauma

Yong Wang

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Abstract

Objective:To investigate the diagnostic value of low-dose CT scanning in orbital trauma. Methods:148 cases of orbital trauma were divided into four groups:10 mA in group one(40 cases), 20 mA in group two(30 cases),30 mA in group three(48 cases) and 50 mA in group four (30 cases). The lens optic nerves slice were scanned by regular dose(100 mA) CT scanning in all cases as control. The image quality, the display of orbital trauma and radiation dose of patients were compared.Results: In the group one and two(10 mA、20 mA),the image quality was much poorer and the small hematoma could not be found. In the group three and four(30 mA,50 mA),the image quality was much better and the display of pathological changes was equal to that obtained by the regular dose(100 mA) CT scanning in orbital trauma. Conclusion:The low-dose (30 mA)CT scanning can be used to diagnose orbital trauma reliably.

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What this paper is about

Objective:To investigate the diagnostic value of low-dose CT scanning in orbital trauma. Methods:148 cases of orbital trauma were divided into four groups:10 mA in group one(40 cases), 20 mA in group two(30 cases),30 mA in group three(48 cases) and 50 mA in group four (30 cases). The lens optic nerves slice were scanned by regular dose(100 mA) CT scanning in all cases as control. The image quality, the display of orbital trauma and radiation dose of patients were compared.Results: In the group one and two(10 mA、20 mA),the image quality was much poorer and the small hematoma could not be found. In the group three and four(30 mA,50 mA),the image quality was much better and the display of pathological changes was equal to that obtained by the regular dose(100 mA) CT scanning in orbital trauma. Conclusion:The low-dose (30 mA)CT scanning can be used to diagnose orbital trauma reliably.

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Available abstract

Objective:To investigate the diagnostic value of low-dose CT scanning in orbital trauma. Methods:148 cases of orbital trauma were divided into four groups:10 mA in group one(40 cases), 20 mA in group two(30 cases),30 mA in group three(48 cases) and 50 mA in group four (30 cases). The lens optic nerves slice were scanned by regular dose(100 mA) CT scanning in all cases as control. The image quality, the display of orbital trauma and radiation dose of patients were compared.Results: In the group one and two(10 mA、20 mA),the image quality was much poorer and the small hematoma could not be found. In the group three and four(30 mA,50 mA),the image quality was much better and the display of pathological changes was equal to that obtained by the regular dose(100 mA) CT scanning in orbital trauma. Conclusion:The low-dose (30 mA)CT scanning can be used to diagnose orbital trauma reliably.

Key concepts: Medicine, Radiation dose, Nuclear medicine, Image quality, Hematoma, Radiology, Image (mathematics), Computer science

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