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CT,MRI and DSA Appearances of Giant Cell Tumors of Bone in Unusual Sites / 实用放射学杂志
Journal of Practical Radiology ; (12): 74-76, 2010.
Article in Chinese | WPRIM | ID: wpr-403442
ABSTRACT
Objective To investigate retrospectively CT,MRI and DSA appearances of giant cell tumors(GCT) of bone in unusual sites,in order to improve the diagnosis of it.Methods CT,MRI and DSA features of GCT in 11 cases proved by surgery and pathology,were retrospectively analyzed.GCTs located in iliac bone in 4,sacral vertebrae in 3,ischial bone in 2, calcaneus and temporal bone in one respectively.Results (1) At CT,the tumors were mainly showed as expanding growth and osteolytic destruction,without periosteal reaction and calcification.(2)At MRI,the tumors were hypo-,isointensity on T_1WI and heterogeneously iso, hyperintensity on T_2WI.Low intensity curvilinear strips inside the tumor on T_1WI and T_2WI were found in 5 patients,and "bright patches sign" on T_2WI were also displayed in 2 cases.(3)At DSA,abundant blood supply to the tumors was demonstrated,the thickened and twisted feeding artery and,"tumor's stain sign" were also found.Conclusion To analyse imaging data synthetically,including CT,MR imaging and DSA,can improve the knowledge of GCT of bone in unusual sites.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Practical Radiology Year: 2010 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Practical Radiology Year: 2010 Type: Article