Abstract
Objective To study the diagnosis value of giant cell temporal arteritis with high frequency ultrasonography and magnetic resonance imaging.Methods The total of 29 cases testified as giant cell temporal arteritis clinically were assessed by high frequency ultrasonography and magnetic resonance imaging.The 29 cases were assessed by high frequency ultrasonography,the 11 cases were assessed by magnetic resonance imaging,mural thickness and lumen diameter of temporal arteries were examined,and were compared with the biopsy specimens.Meanwhile 30 healthy volunteers were randomly selected as control group,the ultrasonography of normal temporal arteries were analyzed.Results All temporal arteries were diaplayed clearly.27 cases were diagnosed for giant cell temopral arteritis by high frequency ultrasonography in 29 cases,the diagnostic accuracy was 93.1％.The 11 cases were diagnosed by magnetic resonance imaging,the diagnostic accuracy was 100％.The imaging features were mural thickness,the lumen stenosis,and partial temporal arteries occluded,the mural was contrasted by Gd-DTPA.Conclusions High frequency ultrasonography and magnetic resonance imaging are noninvasive methods for giant cell temporal arteritis diagnosis,it is important clinical value for therapy. Key words: Ultrasonography; Magnetic resonance imaging; Temporal arteries ; Giant cell arteritis
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