Title: Various imaging examination technology in diagnosis of early avascular necrosis
Abstract: Objective: To evaluate the diagnostic sensitivity of X-ray,computed tomography(CT) and magnetic resonance imaging(MRI) in diagnosis of early avascular necrosis.Methods: X-ray,CT and MRI of 150 cases(186 hips involved) with early diagnosis of avascular necrosis which were were retrospectively analyzed and compared.Results: Accuracy of X-ray,CT and MRI was 26.34%,72.04% and 100.0%,respectively in examination of early avascular necrosis(Ⅰ-Ⅱ stage).The positive rate of CT was significantly higher than that of X-ray(P0.001),and MRI had more significantly higher positive rate than CT(P0.001).Conclusion: MRI plays a vital role in early diagnosis of avascular necrosis,and is superior to X-ray and CT.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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