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- W2364593754 abstract "Objective To analyse the MRI features of chronic osteomyelitis and evaluate the diagnostic utility of MRI for diagnosing it. Methods The X-ray and MR plain images of 11 cases with chronic osteomyelitis confirmed by surgery and pathology were analyzed retrospectively.At the same time,6 cases received post-contrast MR exams. Result Among all the 11 cases,6 lesions located at thighbones,2 humeri,2 tibias,1 clavical. MRI images show that most of cases were located at blackbone nearby metaphysic with wide range and blurred boundary. The blackbone thicken and some of them were out of shape,.Bone cortex was thickening irregularly with coarse boundary. Eight cases showed abscess formation in the marrow cavity, appearing hypo-intense or iso-intense singals on T1-weighted image and hyper-intense singals on T2-weighted image, with thick walls and slightly blurred boundary, after adiministration of contrast medium, the tumors demonstrated hyperdense with marked annular enhancement. The adjacent spongy bone presented slice-shape T1 low signal and T2 high signal and had blurred boundary. Among all the cases, 2 cases showed soft tissue mass which presented hypo-intense singals on T1-weighted image, mixed singals on T2-weighted image and hyperdense with marked inhomogeneous enhancement after adiministration of contrast medium. 2 cases showed the formation of granuloma which presented hypo-intense singals on T1-weighted image and hyper-intense singals on T2-weighted image; One of them presented slice-shape T1 low signal and T2 slightly high signal in the center of the lesion; After adiministration of contrast medium, the solid part demonstrated hyperdense with marked enhancement and the cystic part had not enhanced. 3 cases presented sequestration, 4 periosteal edema, 2 periosteal thickening,5 periosteal new bone, 3 sinus tracts and 1 bone bladdings. Slice-shaped T1 low signal and T2 high signal can be seen in peripheral parenchyma. Among all the cases, 10 lesions had been diagnosed correctedly by MRI, 1 misdiagnosed as osteofibrous dysplasia. Conclusion MRI is better than X-ray in aspects of appearing abscess, periosteal reaction, adjacent soft tissue changes and sinus tracts, and has a great practical value in guiding clinical treatment and evaluating therapeutic." @default.
- W2364593754 created "2016-06-24" @default.
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- W2364593754 date "2013-01-01" @default.
- W2364593754 modified "2023-09-24" @default.
- W2364593754 title "MRI Features and Diagnostic Utility of Chronic Osteomyelitis" @default.
- W2364593754 hasPublicationYear "2013" @default.
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