MRI findings of primary lymphoma of bone

XU Shang-wen; CHENG Guan-xun; CHEN Zi-qian

Journal of China Clinic Medical Imaging ›› 2006, Vol. 17 ›› Issue (3) : 161-163.

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MRI findings of primary lymphoma of bone

XU Shang-wen1, CHENG Guan-xun2, CHEN Zi-qian1

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Abstract

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.

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bone neoplasms / lymphoma / magnetic resonance imaging

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XU Shang-wen;CHENG Guan-xun;CHEN Zi-qian. MRI findings of primary lymphoma of bone[J]. Journal of China Clinic Medical Imaging. 2006, 17(3): 161-163