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| CT and MRI appearances of spinal osteitis deformans |
| HE Fu, WANG He-xiang, NIE Pei, ZHANG Yuan, XU Wen-jian |
| Department of Radiology, the Affiliated Hospital of Qingdao University, Qingdao Shandong 266003, China |
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Abstract Objective: The aim of this study was to investigate CT and MRI appearances of spinal osteitis deformans. Methods: The clinical features and images of 6 patients with pathologically proved spinal osteitis deformans after operation or biopsy were retrospectively analyzed. All patients underwent CT plain scan, 4 patients underwent MRI scan and 1 patient underwent radionuclide bone scintigraphy. Results: Solitary lesion was detected in 2 cases, and multiple lesions were found in 4 cases. There was a total of 12 lesions. Nine lesions located in lumbar vertebrae and 3 lesions located in thoracic vertebrae. CT images displayed meshy low density region with thickened bone trabeculae in vertebral body and appendix in 8 lesions, diffuse sclerosis was found in 2 lesions and 2 lesions normal appearance. Six lesions showed bone expansion, especially in the spinous process. MRI images showed mixed areas of hyperintensity and hypointensity on T1WI and T2WI in 6 lesions. Two lesions demonstrated prominent diffuse or patchy low signal intensity on T1WI and T2WI and 1 lesion showed subtle low signal intensity on T1WI and T2WI. Four lesions had a band-like low signal intensity along the endplates with a “picture-frame” spine appearance. Bone scintigraphy showed increased uptake of the vertebral body in 1 lesion. Conclusions: Spinal osteitis deformans has some characteristic appearances on CT and MRI. The combined analysis of imaging and clinical features is helpful to accurate diagnosis of this disease.
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Received: 10 April 2018
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