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《Journal of China Clinic Medical Imaging》 2006-03
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MRI findings of primary lymphoma of bone

XU Shang-wen1, CHENG Guan-xun2, CHEN Zi-qian1 (1. Imaging Center, Fuzhou General Hospital, Fuzhou 350025, China; 2. Imaging Center, Nanfang Hospital, Nanfang Medical University, Guangzhou 510515, China)  
Objective: To study the MRI findings of primary lymphoma of bone(PLB) and evaluate MRI scanning in the diagnosis of the disease. Methods: A retrospective analysis was made on imaging of 8 patients with pathologically proved PLB. The unenhanced and enhanced scanning was performed in all patients. Results: There was single bone involvement in 7 cases and multiple involvement in 1 case. Seven cases were B-lymphocytes, while 1 case was T-lymphocytes. Most of the lesions showed iso- or hypo-intense signal on T1WI and iso- or slightly hyperintense signal on T2WI. Lesions showed significantly homogeneous or inhomogeneous enhancement. Various size soft-tissue masses were present in all cases. Conclusion: PLB mainly involved vertebrae and pelvis. There was single bone involvement in most cases of PLB. The comparatively typical features of MRI were a large accompanying soft tissue mass, slight periosteal reaction, and isointensity on T2WI with significantly enhancement. The plain and enhanced MRI scanning were all very helpful in the diagnosing of PLB.
【CateGory Index】: R738.1
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