Texture characteristics of high frequency ultrasound in patients with carpal tunnel syndrome and its diagnostic value
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摘要:
目的 采用高频超声分析腕管综合征患者的纹理特征,并分析高频超声纹理特征对腕管综合征的诊断价值,以期为该病的诊断提供更好的方法。 方法 以2021年1月—2023年12月湖州市中心医院收治的148例腕管综合征患者为病例组,纳入同期因其他因素就诊的100例非腕管综合征患者为对照组。对比2组患者高频超声纹理特征,绘制ROC曲线分析高频超声纹理特征对腕管综合征的诊断价值。 结果 病例组均值、标准差、变异系数以及直方图熵均低于对照组,偏度、峰值、亮度熵以及中值均高于对照组(P < 0.05);病例组像素均值比、同深度均值比、中值比、同深度中值比、Q0.5、Q0.6、Q0.7、Q0.8、Q0.9、Q1均低于对照组,Q0、Q0.05、Q0.1以及Q0.15均高于对照组(P < 0.05);病例组厚度最大值、厚度中值、厚度均值、长度最大值、长度中值、长度均值、病灶面积、长轴、短轴、离心率以及病灶周长均小于对照组(P < 0.05);灰阶共生矩阵、形态学特征以及一阶统计量联合诊断腕管综合征患者的AUC(0.934)显著高于单一灰阶共生矩阵AUC(0.762)、形态学特征AUC(0.884)以及一阶统计量AUC(0.753)。 结论 高频超声纹理特征分析中灰阶共生矩阵、形态学特征以及一阶统计量对腕管综合征患者具有较高的诊断价值,且3种联合的诊断价值更高。 Abstract:Objective To analyze the texture features of patients with carpal tunnel syndrome by high-frequency ultrasound, and to analyze the diagnostic value of high-frequency ultrasound texture features for carpal tunnel syndrome, so as to provide a better method for the diagnosis of this disease. Methods From January 2021 to December 2023, 148 patients with carpal tunnel syndrome in Huzhou Central Hospital were taken as the case group, and 100 patients with non-carpal tunnel syndrome who were treated for other factors during the same period were included as control group. Compare the texture features of high-frequency ultrasound between the two groups, draw the ROC curve, and analyze the diagnostic value of high-frequency ultrasound texture features in carpal tunnel syndrome. Results The mean value, standard deviation, coefficient of variation, and histogram entropy of the case group were lower than those of the control group, while the skewness, peak value, brightness entropy, and median value were higher than those of the control group (P < 0.05). The average ratio of pixels, average ratio of the same depth, median ratio, median ratio of the same depth, Q0.5, Q0.6, Q0.7, Q0.8, Q0.9, and Q1 in the case group were lower than those in the control group, while Q0, Q0.05, Q0.1 and Q0.15 were higher than those in the control group (P < 0.05). The maximum thickness, median thickness, average thickness, maximum length, median length, average length, lesion area, major axis, minor axis, eccentricity, and lesion circumference in the case group were all lower than those in the control group (P < 0.05). The AUC (0.934) of gray level co-occurrence matrix, morphological features, and first-order statistics in the diagnosis of elbow syndrome was significantly higher than that of single and gray level co-occurrence matrix AUC (0.762), morphological features AUC (0.884) and first-order statistics AUC (0.753). Conclusion Gray-level co-occurrence matrix, morphological features, and first-order statistics in texture feature analysis of high-frequency ultrasound have high diagnostic value for patients with carpal tunnel syndrome, and the combination of the three is more valuable. -
Key words:
- Carpal tunnel syndrome /
- High frequency ultrasound /
- Texture features /
- Diagnostic value
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表 1 2组患者一阶统计量比较(x±s)
Table 1. Comparison of first-order statistics between two groups of patients
组别 例数 均值 标准差 变异系数 偏度 峰值 直方图熵 亮度熵 中值 病例组 148 0.25±0.06 0.08±0.02 0.34±0.08 0.79±0.25 4.31±1.25 6.23±0.29 0.99±0.01 0.17±0.05 对照组 100 0.27±0.05 0.10±0.01 0.40±0.07 0.42±0.21 3.28±0.97 6.64±0.22 0.97±0.01 0.12±0.06 t值 2.848 10.394 6.247 12.593 7.289 12.639 15.450 6.875 P值 0.005 < 0.001 < 0.001 < 0.001 < 0.001 < 0.001 < 0.001 < 0.001 表 2 2组患者灰阶共生矩阵纹理特征比较(x±s)
Table 2. Comparison of gray-level co-occurrence matrix texture features between two groups of patients(x±s)
组别 例数 像素均值比 同深度均值比 中值比 同深度中值比 Q0 Q0.05 Q0.1 病例组 148 1.29±0.41 3.15±1.05 0.79±0.18 0.73±0.17 0.06±0.03 0.13±0.04 0.15±0.06 对照组 100 1.43±0.51 9.64±3.27 0.86±0.22 0.83±0.27 0.02±0.01 0.11±0.03 0.13±0.03 t值 2.290 19.190 2.640 3.289 15.032 4.493 3.465 P值 0.023 < 0.001 0.009 0.001 < 0.001 < 0.001 0.001 组别 例数 Q0.15 Q0.5 Q0.6 Q0.7 Q0.8 Q0.9 Q1 病例组 148 0.17±0.05 0.24±0.06 0.26±0.06 0.28±0.05 0.31±0.07 0.36±0.07 0.59±0.12 对照组 100 0.15±0.04 0.26±0.05 0.28±0.07 0.31±0.06 0.35±0.07 0.39±0.09 0.64±0.09 t值 3.487 2.848 2.336 4.125 4.414 2.808 3.745 P值 0.001 0.005 0.021 < 0.001 < 0.001 0.006 < 0.001 表 3 2组患者形态学特征比较(x±s)
Table 3. Comparison of morphological characteristics between two groups of patients(x±s)
组别 例数 厚度最大值(cm) 厚度中值(cm) 厚度均值(cm) 长度最大值(cm) 长度中值(cm) 长度均值(cm) 病灶面积(cm2) 长轴(cm) 短轴(cm) 离心率(cm) 病灶周长(cm) 病例组 148 0.17±0.02 0.14±0.02 0.13±0.01 0.47±0.15 0.38±0.12 0.34±0.10 0.07±0.03 0.55±0.21 0.17±0.02 0.92±0.07 1.24±0.44 对照组 100 0.24±0.05 0.19±0.04 0.19±0.04 1.03±0.41 0.72±0.31 0.67±0.31 0.34±0.19 1.31±0.34 0.25±0.05 0.96±0.03 2.62±0.87 t值 13.300 11.562 14.693 13.080 10.451 10.290 14.092 19.931 15.199 6.164 14.647 P值 < 0.001 < 0.001 < 0.001 < 0.001 < 0.001 < 0.001 < 0.001 < 0.001 < 0.001 < 0.001 < 0.001 表 4 超声纹理特征对腕管综合征患者的诊断价值
Table 4. Diagnostic value of ultrasonic texture features in patients with carpal tunnel syndrome
纹理特征 AUC 95% CI 灵敏度 特异度 约登指数 Cut-off值 P值 SE 灰阶共生矩阵 0.762 0.704~0.813 98.60 68.00 0.67 5.54 <0.01 0.040 形态学特征 0.884 0.837~0.921 95.30 71.00 0.66 2.01 <0.01 0.024 一阶统计量 0.753 0.694~0.805 60.10 85.00 0.45 4.15 <0.01 0.031 联合 0.934 0.896~0.962 94.60 83.00 0.78 <0.01 0.017 -
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