Applied Value of Low-dose CT Scanning in Nasal Sinus Examination
- VernacularTitle:低剂量CT扫描在鼻窦检查中的应用价值
- Author:
Hongbiao ZHANG
;
Jiabiao WU
;
Wanhong HUANG
;
Erzhu DU
;
Yue'Ehan ZHOU
;
- Publication Type:Journal Article
- Keywords:
Nasal sinus;
Tomography,X-ray computed;
Low-dose
- From:
Journal of Medical Research
2006;0(05):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To assess the value of low dose CT scanning applied in nasal sinus examination. Methods 100 cases were divided into two groups,including youth group and adult group,with 50 cases for each group.After scanned by standard dose(150mAs),all the patients were scanned with low dose. Those in youth group were scanned with 40mAs and 25mAs,and the others in adult group were scanned with 50mAs and 30mAs.CT images were evaluated by three doctors using blind method.The image quality was evaluated according to 3 grades:normal image,image with mild artifact,and image with serious artifact and the results were analyzed statistically. Results The CTDlw of low-dose CT scanning was obviously lower than that of standard dose(P
