betway必威登陆网址 (betway.com )学报››2022,Vol. 43››Issue (5): 344-349.DOI:10.3969/j.issn.2097-0005.2022.05.005
李敏1(), 张春燕2, 刘芳菲2, 吕荣彬2, 韩明山2, 刘树永2(
)
收稿日期:
2021-12-15出版日期:
2022-05-25发布日期:
2022-06-09通讯作者:
刘树永作者简介:
李敏,硕士,副主任医师,研究方向:影像诊断,E-mail:li_min2021@163.com。Min LI1(), Chunyan ZHANG2, Fangfei LIU2, Rongbin LV2, Mingshan HAN2, Shuyong LIU2(
)
Received:
2021-12-15Online:
2022-05-25Published:
2022-06-09Contact:
Shuyong LIU摘要:
探讨结直肠癌18F-FDG PET/CT代谢参数与临床病理特征的相关性。
回顾性收集了43例术前进行过18氟-氟脱氧葡萄糖(18F-FDG)PET-CT检查的结直肠癌患者的临床病理资料,测量结直肠癌原发灶的最大标准化摄取值(SUVmax)、平均标准化摄取值(SUVmean)、肿瘤代谢体积(tumor metabolism volume,MTV)、糖酵解总量(total glycolysis,TLG)。比较不同临床病理特征分组间的代谢参数差异有无统计学意义,并分析各代谢参数与临床病理特征的相关性,绘制诊断效能受试者工作特征(receiver operator characteristic, ROC)曲线评估PET/CT各代谢参数评估T分期的诊断效能。
SUVmax、SUVmean、MTV和TLG在肿瘤最大径、T分期分组间差异有统计学意义(P< 0.05);SUVmax、SUVmean在分化程度分组间差异有统计学意义(P< 0.05);SUVmax、SUVmean、MTV和TLG与肿瘤最大径、T分期呈正相关(P< 0.05);SUVmax、SUVmean和分化程度呈负相关(P< 0.05);ROC曲线显示,在鉴别结直肠癌患者的T3和T4期时,SUVmax、SUVmean、MTV和TLG的曲线下面积(area under curve,AUC)阈值分别为0.734、0.696、0.780、0.829及15.05、0.90、9.93、79.70;SUVmax、SUVmean、MTV和TLG以各自阈值评估结直肠癌T3、T4分期的敏感性及特异性分别为83.3%、69.6%;83.3%、65.2%;91.3%、61.1%及91.3%、61.1%。
18F-FDG PET/CT的半定量代谢参数SUVmax、SUVmean、MTV和TLG与结直肠癌原发灶肿瘤大小、分化程度、T分期等具有一定相关性,在一定程度上反映肿瘤的部分病理特征,有助于判断肿瘤的特性及恶性程度。
李敏, 张春燕, 刘芳菲, 吕荣彬, 韩明山, 刘树永. 结直肠癌18F-FDG PET/CT代谢参数与临床病理特征的相关性[J]. betway必威登陆网址 (betway.com )学报, 2022, 43(5): 344-349.
Min LI, Chunyan ZHANG, Fangfei LIU, Rongbin LV, Mingshan HAN, Shuyong LIU. Correlation analysis of18F-FDG PET/CT metabolic parameters with clinical pathological characteristics in colorectal cancer[J]. Journal of Shandong First Medical Unversity & Shandong Academy of Medical Sciences, 2022, 43(5): 344-349.
图1患者女性,60岁,直肠癌伴肝转移,T4M1N2A:原发灶冠状位图像;B:原发灶矢状位图像;C:全身最大密度投影;D:肝转移灶轴位图像;E:直肠癌原发灶轴位图像;F:直肠癌原发灶CT轴位图像。18F-FDG PET/CT融合图像显示直肠上部肠壁增厚伴FDG高代谢,SUVmax、SUVmean、MTV、TLG分别为9.32,5.70,18.11,103.22。肝内见局灶性FDG高代谢灶,SUVmax、SUVmean、MTV、TLG分别为20.67,11.10,17.15,190.36
图2患者男性,54岁,乙状结肠溃疡性中分化腺癌伴黏液腺癌成分,系膜根部多发增大淋巴结,T4M0N2A:原发灶CT轴位图像; B:原发灶轴位图像; C:原发灶PET轴位图像; D:转移性淋巴结CT轴位图像; E:转移性淋巴结轴位图像; F:转移性淋巴结PET轴位图像。18F-FDG PET/CT融合图像显示乙状结肠管壁不均匀增厚,管壁模糊,管壁呈FDG高摄取。SUVmax、SUVmean、MTV、TLG分别为14.14,7.51,17.54,132.14。转移性淋巴结呈高摄取,SUVmax、SUVmean为6.40,4.10
分组 | n | SUVmax | SUVmean | MTV(cm3) | TLG(g) |
---|---|---|---|---|---|
肿瘤最大径(cm) | |||||
< 4 cm | 21 | 11.97(8.80 ~ 16.50) | 7.20(5.30 ~ 9.10) | 6.98(3.70 ~ 15.50) | 67.99(29.10 ~ 90.10) |
≥ 4 cm | 22 | 18.88(12.20 ~ 30.10) | 10.53(7.10 ~ 16.30) | 19.20(11.40 ~ 26.50) | 199.68(98.20 ~ 358.10) |
Z | -2.575 | -2.772 | -3.548 | -4.252 | |
P | 0.010 | 0.006 | < 0.001 | < 0.001 | |
分化程度 | |||||
高分化 | 3 | 8.44(3.20 ~ 13.60) | 4.80(1.70 ~ 7.50) | 14.91(3.60 ~ 17.50) | 83.38(6.20 ~ 111.20) |
中分化 | 34 | 13.94(9.80 ~ 19.50) | 7.50(5.90 ~ 10.70) | 11.49(6.60 ~ 20.10) | 96.68(63.20 ~ 194.70) |
低分化 | 6 | 21.70(15.30 ~ 31.00) | 12.70(8.70 ~ 17.30) | 23.13(9.50 ~ 44.20) | 336.17(49.60 ~ 669.40) |
H | 6.104 | 6.222 | 2.542 | 3.060 | |
P | 0.047 | 0.045 | 0.281 | 0.217 | |
T分期 | |||||
T1 ~ T2 | 2 | 5.85(3.20 ~ 8.50) | 4.15(1.70 ~ 6.60) | 2.81(2.00 ~ 3.60) | 10.94(6.20 ~ 15.60) |
T3 | 17 | 11.97(9.30 ~ 14.40) | 7.30(5.60 ~ 8.70) | 8.77(5.00,17.60) | 69.42(48.80 ~ 109.00) |
T4 | 24 | 18.03(12.80 ~ 23.10) | 10.18(6.30 ~ 12.50) | 17.82(10.50 ~ 23.90) | 157.91(84.80 ~ 337.10) |
H | 9.274 | 5.756 | 9.222 | 12.293 | |
P | 0.010 | 0.046 | 0.010 | 0.002 | |
N分期 | |||||
N0 | 22 | 13.27(8.80 ~ 18.80) | 7.50(5.20 ~ 10.50) | 11.39(4.10 ~ 21.00) | 96.68(38.60 ~ 166.40) |
N1 ~ N2 | 21 | 14.59(10.60 ~ 21.20) | 8.70(6.50 ~ 12.20) | 17.15(8.50 ~ 20.80) | 103.02(65.80 ~ 235.40) |
Z | -0.972 | -1.240 | -0.863 | -0.923 | |
P | 0.331 | 0.215 | 0.388 | 0.356 | |
M分期 | |||||
M0 | 31 | 12.96(8.90 ~ 19.80) | 7.50(5.50 ~ 10.90) | 11.46(6.90 ~ 20.90) | 96.16(54.60 ~ 217.00) |
M1 | 12 | 17.30(10.70 ~ 21.30) | 9.53(6.40 ~ 12.50) | 16.83(7.00 ~ 20.80) | 110.60(73.90 ~ 263.20) |
Z | -0.975 | -1.220 | -0.433 | -0.677 | |
P | 0.330 | 0.223 | 0.665 | 0.498 |
表1不同临床病理特征分组间代谢参数比较[M(P25 ~ P75)]
分组 | n | SUVmax | SUVmean | MTV(cm3) | TLG(g) |
---|---|---|---|---|---|
肿瘤最大径(cm) | |||||
< 4 cm | 21 | 11.97(8.80 ~ 16.50) | 7.20(5.30 ~ 9.10) | 6.98(3.70 ~ 15.50) | 67.99(29.10 ~ 90.10) |
≥ 4 cm | 22 | 18.88(12.20 ~ 30.10) | 10.53(7.10 ~ 16.30) | 19.20(11.40 ~ 26.50) | 199.68(98.20 ~ 358.10) |
Z | -2.575 | -2.772 | -3.548 | -4.252 | |
P | 0.010 | 0.006 | < 0.001 | < 0.001 | |
分化程度 | |||||
高分化 | 3 | 8.44(3.20 ~ 13.60) | 4.80(1.70 ~ 7.50) | 14.91(3.60 ~ 17.50) | 83.38(6.20 ~ 111.20) |
中分化 | 34 | 13.94(9.80 ~ 19.50) | 7.50(5.90 ~ 10.70) | 11.49(6.60 ~ 20.10) | 96.68(63.20 ~ 194.70) |
低分化 | 6 | 21.70(15.30 ~ 31.00) | 12.70(8.70 ~ 17.30) | 23.13(9.50 ~ 44.20) | 336.17(49.60 ~ 669.40) |
H | 6.104 | 6.222 | 2.542 | 3.060 | |
P | 0.047 | 0.045 | 0.281 | 0.217 | |
T分期 | |||||
T1 ~ T2 | 2 | 5.85(3.20 ~ 8.50) | 4.15(1.70 ~ 6.60) | 2.81(2.00 ~ 3.60) | 10.94(6.20 ~ 15.60) |
T3 | 17 | 11.97(9.30 ~ 14.40) | 7.30(5.60 ~ 8.70) | 8.77(5.00,17.60) | 69.42(48.80 ~ 109.00) |
T4 | 24 | 18.03(12.80 ~ 23.10) | 10.18(6.30 ~ 12.50) | 17.82(10.50 ~ 23.90) | 157.91(84.80 ~ 337.10) |
H | 9.274 | 5.756 | 9.222 | 12.293 | |
P | 0.010 | 0.046 | 0.010 | 0.002 | |
N分期 | |||||
N0 | 22 | 13.27(8.80 ~ 18.80) | 7.50(5.20 ~ 10.50) | 11.39(4.10 ~ 21.00) | 96.68(38.60 ~ 166.40) |
N1 ~ N2 | 21 | 14.59(10.60 ~ 21.20) | 8.70(6.50 ~ 12.20) | 17.15(8.50 ~ 20.80) | 103.02(65.80 ~ 235.40) |
Z | -0.972 | -1.240 | -0.863 | -0.923 | |
P | 0.331 | 0.215 | 0.388 | 0.356 | |
M分期 | |||||
M0 | 31 | 12.96(8.90 ~ 19.80) | 7.50(5.50 ~ 10.90) | 11.46(6.90 ~ 20.90) | 96.16(54.60 ~ 217.00) |
M1 | 12 | 17.30(10.70 ~ 21.30) | 9.53(6.40 ~ 12.50) | 16.83(7.00 ~ 20.80) | 110.60(73.90 ~ 263.20) |
Z | -0.975 | -1.220 | -0.433 | -0.677 | |
P | 0.330 | 0.223 | 0.665 | 0.498 |
代谢参数 | 最大径 | 分化程度 | T分期 | N分期 | M分期 |
---|---|---|---|---|---|
SUVmax | |||||
r | 0.397 | -0.370 | 0.436 | 0.133 | 0.150 |
P | 0.008 | 0.015 | 0.003 | 0.395 | 0.336 |
SUVmean | |||||
r | 0.428 | -0.377 | 0.349 | 0.169 | 0.188 |
P | 0.004 | 0.013 | 0.022 | 0.280 | 0.227 |
MTV | |||||
r | 0.547 | -0.235 | 0.438 | 0.108 | 0.067 |
P | 0.000 | 0.130 | 0.003 | 0.493 | 0.670 |
TLG | |||||
r | 0.656 | -0.270 | 0.519 | 0.100 | 0.104 |
P | < 0.001 | 0.080 | < 0.001 | 0.524 | 0.505 |
表2不同代谢参数与不同临床病理特征相关性
代谢参数 | 最大径 | 分化程度 | T分期 | N分期 | M分期 |
---|---|---|---|---|---|
SUVmax | |||||
r | 0.397 | -0.370 | 0.436 | 0.133 | 0.150 |
P | 0.008 | 0.015 | 0.003 | 0.395 | 0.336 |
SUVmean | |||||
r | 0.428 | -0.377 | 0.349 | 0.169 | 0.188 |
P | 0.004 | 0.013 | 0.022 | 0.280 | 0.227 |
MTV | |||||
r | 0.547 | -0.235 | 0.438 | 0.108 | 0.067 |
P | 0.000 | 0.130 | 0.003 | 0.493 | 0.670 |
TLG | |||||
r | 0.656 | -0.270 | 0.519 | 0.100 | 0.104 |
P | < 0.001 | 0.080 | < 0.001 | 0.524 | 0.505 |
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