Title: Evaluation of MRI in the diagnosis of eosinophilic granuloma of bone
Abstract: Objective:To explore the diagnostic value of MRI in the diagnosis ofbone Eosinophilic GranulomaI. Methods:The clinical and imaging materials of 13 patients with eosinophilic granuloma of bone proved by histopathology were analyzed retrospectively.The imaging examination included plain films(n=13),CT(n=12),and MRI(n=13).Results:MR identified all lesions;With one exception,all lesions were hypointense on T1-Weighted images and hyperintense on T2-Weighted images;The lesions and associated soft tissue abnormalities were very conspicuous on short T1 inversion sequences and T1-Weighed post-contrast images;Follow-up MRI studies in two patients after chemotherapy showed decreased size and enhancement of lesions compared with the baseline studies.Three lesions were not identified on plain films.MRI showed greater abnormality than plain radiographs did.CT could identify all lesions also,and the main imaging findings included bone destruction,adjacent bone cortex involvement,periosteal reaction and sof t tissue mass or swelling. Conclusion:MRI can clearly demonstrate the extent of bone involved, the change of soft tissue and sequestrum.It can also acquire the anatomic and pathologicd details of bone and and soft tissue.But X-ray film and CT may improve the diagnostic and differential diagnostic accuracy.
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
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