Comparison of Helical CT Ray Sum Projection with Shaded Surface Display in Diagnosing Pelvic Lesions
- VernacularTitle:螺旋CT综合透明投影与表面覆盖重建对骨盆疾患诊断的对比评价
- Author:
Li WANG
;
Lei ZHANG
;
Hua GU
;
Yajie WANG
;
Renyou ZHAI
- Publication Type:Journal Article
- Keywords:
helical CT;
three-dimensional reconstruction;
ankylosing spondylitis;
pelvic;
fracture
- From:
Journal of Practical Radiology
2001;0(05):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To compare the values of helical CT Ray sum projection(RSP)with shaded surface display (SSD)in diagnosing pelvic lesion.Methods Ray sum images in 18 cases of ankylosing spondylitis,5 cases of bone tumor,15 cases of pelvic fracture were analyzed and compared with shaded surface display(SSD),plain films and CT scans.Results The positive rate of 18 cases ankylosing spondylitis was 93.5% for RSP,38.7% for SSD and 83.9% for plain films.In 12 cases of 1～2 stages articular sacroiliaca arthritis,RSP can detect sacroiliac joints sclerosis and vesicula osteonecrosis as well as the axial view,it had higher positive rate than plain film or SSD(?
