双能 X 射线吸收测量法骨矿物质密度与脊柱计算机断层扫描纹理分析之间的不一致:低相关率调查

IF 2.5 Q3 ENDOCRINOLOGY & METABOLISM Osteoporosis and Sarcopenia Pub Date : 2024-03-01 DOI:10.1016/j.afos.2024.01.002
Min Woo Kim, Young Min Noh, Jung Wook Huh, Han Eol Seo, Dong Ha Lee
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引用次数: 0

摘要

目的本研究探讨了纹理分析在脊柱计算机断层扫描(CT)中的应用及其与双能 X 射线吸收测量法(DXA)测定的骨矿物质密度(BMD)之间的相关性。该研究特别探讨了这两种测量结果之间的不一致,并指出某些脊柱特异性因素可能会导致这种差异。方法该研究涉及一家机构的 405 个病例,收集时间为 2012 年 5 月 6 日至 2021 年 6 月 30 日。每个病例都接受了脊柱 CT 扫描和 DXA 扫描。记录了腰部(T12 至 S1)和全髋部的 BMD 值。使用灰度级共现矩阵从 T12 至 S1 椎体的轴向切面提取纹理特征,并构建回归模型来预测 BMD 值。结果 CT 纹理分析结果与 DXA BMD 之间的相关性适中,相关系数在 0.4 和 0.5 之间。本研究对脊柱 CT 纹理分析与 DXA 导出的 BMD 测量值之间的不一致性进行了研究,并根据脊柱区域的独特因素(如腹部肥胖、主动脉钙化和腰椎退行性病变)对这种不一致性进行了分析,这些因素可能会影响 BMD 测量值。这一发现使人们对完全依赖 DXA 扫描进行 BMD 评估提出了质疑,尤其是在 DXA 扫描可能不可行或不准确的情况下。
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Discordance between dual-energy X-ray absorptiometry bone mineral density and spinal computed tomography texture analysis: An investigation into low correlation rates

Objectives

This research delves into the application of texture analysis in spine computed tomography (CT) scans and its correlation with bone mineral density (BMD), as determined by dual-energy X-ray absorptiometry (DXA). It specifically addresses the discordance between the 2 measurements, suggesting that certain spinal-specific factors may contribute to this discrepancy.

Methods

The study involved 405 cases from a single institution collected between May 6, 2012 and June 30, 2021. Each case underwent a spinal CT scan and a DXA scan. BMD values at the lumbar region (T12 to S1) and total hip were recorded. Texture features from axial cuts of T12 to S1 vertebrae were extracted using gray-level co-occurrence matrices, and a regression model was constructed to predict the BMD values.

Results

The correlation between CT texture analysis results and BMD from DXA was moderate, with a correlation coefficient ranging between 0.4 and 0.5. This discordance was examined in light of factors unique to the spine region, such as abdominal obesity, aortic calcification, and lumbar degenerative changes, which could potentially affect BMD measurements.

Conclusions

Emerging from this study is a novel insight into the discordance between spinal CT texture analysis and DXA-derived BMD measurements, highlighting the unique influence of spinal attributes. This revelation calls into question the exclusive reliance on DXA scans for BMD assessment, particularly in scenarios where DXA scanning may not be feasible or accurate.

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来源期刊
Osteoporosis and Sarcopenia
Osteoporosis and Sarcopenia Orthopedics, Sports Medicine and Rehabilitation, Endocrinology, Diabetes and Metabolism, Obstetrics, Gynecology and Women's Health, Geriatrics and Gerontology
自引率
5.00%
发文量
23
审稿时长
66 days
期刊最新文献
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