The Value of Intravoxel Incoherent Motion (IVIM) Magnetic Resonance Imaging in the Evaluation of the Osteosarcoma Response to Preoperative Neoadjuvant Chemotherapy in Teens

The Value of Intravoxel Incoherent Motion (IVIM) Magnetic Resonance Imaging in the Evaluation of the Osteosarcoma Response to Preoperative Neoadjuvant Chemotherapy in Teens
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体素内不相干运动(IVIM)磁共振成像在评估青少年骨肉瘤术前新辅助化疗反应中的价值

DOI:
10.1155/2019/2918763
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发表时间:
2019-05
期刊:
Concepts in Magnetic Resonance: Part A
影响因子:
--
通讯作者:
Zuo Houdong
Zuo Houdong
中科院分区:
其他
文献类型:
--
作者:
Zuo Houdong

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目的。探讨体素不相干运动(IVIM)磁共振成像在评估青少年骨肉瘤(OS)对术前新辅助化疗(NAC)反应中的价值。方法。连续纳入 18 例经组织病理学诊断为骨肉瘤患者(12 名男性和 6 名女性)。所有入组患者均接受 NAC 治疗,并在 2 个周期的 NAC 前后均接受 MRI 检查。测量并分析NAC前后OS的体积(V)、表观扩散系数(ADC)、(慢)扩散系数(D)、伪灌注(快)扩散系数(D⁎或D星)和灌注分数(f)。还计算并分析了 ADC、D、D⁎ 和 f 值的灵敏度和特异性,以及体积变化 (ΔV) 与 IVIM 衍生参数(ΔADC、ΔD、ΔD⁎ 和 Δf)之间的相关性。使用配对学生 t 检验、受试者工作特征 (ROC) 曲线和 Spearman 相关分析。结果。 NAC后OS平均体积显着下降(61.55±9.3cm3 vs 40.26±4.1cm3)(P<0.05)。 NAC后,ADC(1.21±0.09 × 10-3 mm2/s vs 1.73±0.11 × 10-3 mm2/s)和D(1.14±0.09 × 10-3 mm2/s vs 1.63±0.1 × 10-3 mm2/s)值增加,f (28.58±1.37% vs 20.93±1.16%)值下降 显着(P<0.05),而D⁎(9.17±0.98×10-3 mm2/s vs 8.94±0.13×10-3 mm2/s)值略有变化(P>0.05)。 ADC (0.938) 和 D (0.943) 的 AUC 值高于 D⁎ (0.574) 和 f (0.765)。 ADC(0.778,1)和D(0.944,0.833)值的敏感性和特异性优于D⁎(0.278,0.722)和f(0.5,0.944)值。 ΔV 与 ΔADC、ΔD、ΔD⁎ 和 Δf 值之间未发现显着相关性(P>0.05)。结论。 IVIM 衍生参数 ADC 和 D 有潜力成为成像生物标志物,用于评估 OS 患者对 NAC 的治疗反应。
Purpose. To investigate the value of intravoxel incoherent motion (IVIM) magnetic resonance imaging in the evaluation of the osteosarcoma (OS) response to preoperative neoadjuvant chemotherapy (NAC) in teens. Methods. Eighteen consecutive osteosarcoma patients (12 males and 6 females) diagnosed by histopathology were enrolled. All enrolled patients received NAC and underwent MRI examinations before and after 2 cycles of NAC. The volume (V), apparent diffusion coefficient (ADC), (slow) diffusion coefficient (D), pseudo-perfusion (fast) diffusion coefficient (D⁎or D star), and perfusion fractions (f) of the OS before and after NAC were measured and analysed. The sensitivity and the specificity of the ADC, D, D⁎ and f values and the correlation between changes in volume (ΔV) and the IVIM-derived parameters (ΔADC, ΔD, ΔD⁎ and Δf) were also calculated and analysed. Paired Student’s t-tests, receiver operating characteristic (ROC) curves, and Spearman correlation analyses were used. Results. The mean volume of the OS after NAC decreased significantly (61.55±9.3 cm3 vs 40.26±4.1 cm3) (P<0.05). After NAC, the ADC (1.21±0.09 × 10-3 mm2/s vs 1.73±0.11 × 10-3 mm2/s) and D (1.14±0.09 × 10-3 mm2/s vs 1.63±0.1 × 10-3 mm2/s) values increased and f (28.58±1.37% vs 20.93±1.16%) values decreased significantly (P<0.05), while D⁎ (9.17±0.98 × 10-3 mm2/s vs 8.94±0.13 × 10-3 mm2/s) values changed slightly (P>0.05). The AUC values of ADC (0.938) and D (0.943) were higher than those of D⁎ (0.574) and f (0.765). The sensitivity and specificity of ADC (0.778, 1) and D (0.944, 0.833) values were superior to those of D⁎ (0.278, 0.722) and f (0.5, 0.944) values. No significant correlations were found between the ΔV and ΔADC, ΔD, ΔD⁎ and Δf values (P>0.05). Conclusion. IVIM-derived parameters ADC and D have the potential to be imaging biomarkers for evaluation of the therapeutic response to NAC in OS patients.
DOI: 10.1002/jmri.25567
发表时间: 2017
影响因子: 4.4
作者:
Zhu HB;Zhang XY;Zhou XH;Li XT;Liu YL;Wang S;Sun YS
通讯作者: Sun YS
DOI: 10.2147/cmar.s176515
发表时间: 2018
影响因子: 3.3
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发表时间: 2009-01-01
影响因子: 8.4
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发表时间: 2014-04-01
影响因子: 3.3
作者:
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DOI: 10.1016/s0140-6736(00)04040-x
发表时间: 2001-02-17
期刊: LANCET
影响因子: 168.9
作者:
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