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- W2364163150 abstract "Objective To evaluate the MRI diagnosis of ankylosing spondylitis(AS) sacroiliac joint lesions.Methods Forty-one patients with clinical suspected AS underwent MRI scan.1.5T MRI superconductive Marconi model with spine coil were utilized.Patient supine,scanning direction included oblique coronal,axial position.Conventional SE(spin echo,SE) T1WI(TR 700ms,TE 15ms) sequences,fast spin-echo FSE(fast spin echo,FSE) sequences T2WI(TR 3000 ms,TE 90ms),short time inversion recovery(Short T1 Inversion-Recovery,STIR) sequence(TR 4000ms,TE 90ms,TI 150ms) were used.Slice thickness were 3mm,spacing were 0.8 mm,acquisition matrix were 256x256,NEX = 2.Results AS included I grade 9 cases,Ⅱ grade 15 cases,Ⅲ grade 11 cases,IV 6 cases.Lliac invasion were 34 cases,the sacral side invasion 7 cases.Class I-II mainly manifestations were T2WI MRI signal increasing in synovial;T1WI showed irregular thickening or distortion of the cartilage,T2WI showed increased signal cartilage,bone marrow edema signal differential increased.Ⅲ-Ⅳ grade mainly manifestations were T2WI signal uneven increasing or reducing in cartilage,with different degrees of damage of bone of the articular surface.Signs of bone sclerosis was a line like no signal with irregular widened,with larger bone marrow edema.Conclusion MRI examination methods were more sensitive without non-radioactive,can show cartilage abnormalities,early changes of bone marrow edema that X-ray and CT cannot display.MRI should be as the preferred screening method in early diagnosis of AS." @default.
- W2364163150 created "2016-06-24" @default.
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- W2364163150 date "2012-01-01" @default.
- W2364163150 modified "2023-09-25" @default.
- W2364163150 title "The Value of MRI in the Diagnosis of Ankylosing Spondylitis Sacroiliac Joint Lesions" @default.
- W2364163150 hasPublicationYear "2012" @default.
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