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KMID : 0438420130200020089
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Korean Journal of Bone Metabolism
2013 Volume.20 No. 2 p.89 ~ p.94
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Radiographic Detection of Osteoporotic Vertebral Fracture without Collapse
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Kim Yeung-Jin
Chae Soo-Uk
Kim Gang-Deuk
Park Kyung-Hee
Lee Yeum-Sik
Lee Hwang-Yong
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Abstract
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Background: On retrospective basis, we investigated the detection of osteoporotic vertebral fractures (OVFs) without radiologic collapse using a modified Yoshida’s classification, which was designed by the authors.
Methods: We observed 82 cases in 76 patients with confirmed OVFs without collapse at the thoracolumbar junction. The following factors were measured: age, gender, body mass index (BMI, kg/m2), bone mineral density (BMD, mg/cm3), type of a modified Yoshida’s classification. The correct diagnosis rate for the presence and location of OVFs and the correct diagnosis rate according to the morphological type by a modified Yoshida’s classification of the OVFs were analyzed.
Results: The mean BMI was 21.2; mean BMD, 44.1; and T-score, -4.4. As for the four subtypes of anterior cortical morphological change, there were 14 cases of the protruding type, 12 cases of the indented type, 5 cases of the disrupted type and 8 cases of the prow type. As for the three subtypes of endplate depression, there were 20 cases of upper endplate depression, 12 cases of lower endplate depression and 11 cases of endplate slippage type. According to the examiners, there was a significant difference between being informed before and after the modified Yoshida’s classification. For the relationship of examiners and the type of fracture, there was a significant difference between being informed before and after the modified Yoshida’s classification, particularly in the protruding type and the upper plate type.
Conclusions: A modified Yoshida’s classification can be helpful for the diagnosis of OVFs without radiologic collapse in a simple radiograph.
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KEYWORD
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Anterior cortical morphology, Osteoporotic vertebral fractures, Radiographic diagnosis, Spine endplate
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