
Tianjin Medical Journal ›› 2026, Vol. 54 ›› Issue (6): 637-642.doi: 10.11958/20253436
• Applied Research • Previous Articles Next Articles
KANG Xiaona(
), LIU Yaping, FENG Yun, LUO Yumei, JIA Ai△(
)
Received:2025-11-27
Revised:2026-02-25
Published:2026-06-15
Online:2026-06-15
Contact:
△E-mail:JiaAi2663@163.com
KANG Xiaona, LIU Yaping, FENG Yun, LUO Yumei, JIA Ai. Development of a preoperative assessment model for the malignant potential in gastrointestinal stromal tumor based on endoscopic ultrasound and contrast-enhanced computed tomography[J]. Tianjin Medical Journal, 2026, 54(6): 637-642.
CLC Number:
| 组别 | n | 性别 | 年龄/岁 | 发病部位 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 男 | 女 | 食管 | 胃 | 十二指肠 | 小肠 | 直肠 | ||||||||||
| 低恶性潜能组 | 145 | 71(48.97) | 74(51.03) | 55.82±10.79 | 3(2.07) | 123(84.83) | 10(6.90) | 7(4.83) | 2(1.38) | |||||||
| 高恶性潜能组 | 46 | 26(56.53) | 20(43.48) | 56.91±11.10 | 1(2.17) | 36(78.26) | 3(6.52) | 4(8.70) | 2(4.35) | |||||||
| t或χ2 | 0.798 | 0.594 | 2.576 | |||||||||||||
| 组别 | 临床表现 | |||||||||||||||
| 腹痛、腹胀 | 恶心、呕吐 | 反酸、烧心、嗳气 | 胃肠道出血 | 肠梗阻 | 黑便 | 乏力、纳差 | ||||||||||
| 低恶性潜能组 | 126(86.90) | 32(22.07) | 43(29.66) | 27(18.62) | 7(4.83) | 22(15.17) | 7(4.83) | |||||||||
| 高恶性潜能组 | 43(93.48) | 16(34.78) | 19(41.30) | 14(30.43) | 5(10.87) | 11(23.91) | 5(10.87) | |||||||||
| χ2 | 1.484 | 3.000 | 2.162 | 2.891 | 2.165 | 1.867 | 2.165 | |||||||||
Tab.1 Comparison of general data between the two groups
| 组别 | n | 性别 | 年龄/岁 | 发病部位 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 男 | 女 | 食管 | 胃 | 十二指肠 | 小肠 | 直肠 | ||||||||||
| 低恶性潜能组 | 145 | 71(48.97) | 74(51.03) | 55.82±10.79 | 3(2.07) | 123(84.83) | 10(6.90) | 7(4.83) | 2(1.38) | |||||||
| 高恶性潜能组 | 46 | 26(56.53) | 20(43.48) | 56.91±11.10 | 1(2.17) | 36(78.26) | 3(6.52) | 4(8.70) | 2(4.35) | |||||||
| t或χ2 | 0.798 | 0.594 | 2.576 | |||||||||||||
| 组别 | 临床表现 | |||||||||||||||
| 腹痛、腹胀 | 恶心、呕吐 | 反酸、烧心、嗳气 | 胃肠道出血 | 肠梗阻 | 黑便 | 乏力、纳差 | ||||||||||
| 低恶性潜能组 | 126(86.90) | 32(22.07) | 43(29.66) | 27(18.62) | 7(4.83) | 22(15.17) | 7(4.83) | |||||||||
| 高恶性潜能组 | 43(93.48) | 16(34.78) | 19(41.30) | 14(30.43) | 5(10.87) | 11(23.91) | 5(10.87) | |||||||||
| χ2 | 1.484 | 3.000 | 2.162 | 2.891 | 2.165 | 1.867 | 2.165 | |||||||||
| 组别 | n | 肿瘤直径/mm | 外观不光滑 | 形状不规则 | 边界不清晰 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 低恶性潜能组 | 145 | 43.91±13.61 | 56(38.62) | 54(37.24) | 15(10.34) | ||||||||||
| 高恶性潜能组 | 46 | 49.60±17.29 | 24(52.17) | 24(52.17) | 14(30.43) | ||||||||||
| t或χ2 | 2.303* | 2.635 | 3.223 | 10.945** | |||||||||||
| 组别 | 病灶起源层 | 回声强度 | |||||||||||||
| 固有肌层 | 非固有肌层 | 低 | 高 | ||||||||||||
| 低恶性潜能组 | 119(82.07) | 26(17.93) | 136(93.79) | 9(6.21) | |||||||||||
| 高恶性潜能组 | 38(82.61) | 8(17.39) | 46(100.00) | 0 | |||||||||||
| χ2 | 0.007 | 1.773 | |||||||||||||
| 组别 | 回声不均匀 | 钙化 | 囊性病变 | 局部侵犯 | |||||||||||
| 低恶性潜能组 | 58(40.00) | 28(19.31) | 33(22.76) | 31(21.38) | |||||||||||
| 高恶性潜能组 | 25(54.35) | 15(32.61) | 16(34.78) | 16(34.78) | |||||||||||
| χ2 | 2.926 | 3.540 | 2.647 | 3.382 | |||||||||||
| 组别 | 血流信号 | ||||||||||||||
| 未见信号 | 信号不丰富 | 信号丰富 | |||||||||||||
| 低恶性潜能组 | 19(13.10) | 91(62.76) | 35(24.14) | ||||||||||||
| 高恶性潜能组 | 7(15.22) | 21(45.65) | 18(39.13) | ||||||||||||
| χ2 | 4.686 | ||||||||||||||
Tab.2 Comparison of EUS image features bwtween the two groups
| 组别 | n | 肿瘤直径/mm | 外观不光滑 | 形状不规则 | 边界不清晰 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 低恶性潜能组 | 145 | 43.91±13.61 | 56(38.62) | 54(37.24) | 15(10.34) | ||||||||||
| 高恶性潜能组 | 46 | 49.60±17.29 | 24(52.17) | 24(52.17) | 14(30.43) | ||||||||||
| t或χ2 | 2.303* | 2.635 | 3.223 | 10.945** | |||||||||||
| 组别 | 病灶起源层 | 回声强度 | |||||||||||||
| 固有肌层 | 非固有肌层 | 低 | 高 | ||||||||||||
| 低恶性潜能组 | 119(82.07) | 26(17.93) | 136(93.79) | 9(6.21) | |||||||||||
| 高恶性潜能组 | 38(82.61) | 8(17.39) | 46(100.00) | 0 | |||||||||||
| χ2 | 0.007 | 1.773 | |||||||||||||
| 组别 | 回声不均匀 | 钙化 | 囊性病变 | 局部侵犯 | |||||||||||
| 低恶性潜能组 | 58(40.00) | 28(19.31) | 33(22.76) | 31(21.38) | |||||||||||
| 高恶性潜能组 | 25(54.35) | 15(32.61) | 16(34.78) | 16(34.78) | |||||||||||
| χ2 | 2.926 | 3.540 | 2.647 | 3.382 | |||||||||||
| 组别 | 血流信号 | ||||||||||||||
| 未见信号 | 信号不丰富 | 信号丰富 | |||||||||||||
| 低恶性潜能组 | 19(13.10) | 91(62.76) | 35(24.14) | ||||||||||||
| 高恶性潜能组 | 7(15.22) | 21(45.65) | 18(39.13) | ||||||||||||
| χ2 | 4.686 | ||||||||||||||
| 组别 | n | 密度不均匀 | 形态不规则 | 边界不清晰 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 低恶性潜能组 | 145 | 35(24.14) | 38(26.21) | 31(21.38) | |||||||
| 高恶性潜能组 | 46 | 17(36.96) | 26(56.52) | 16(34.78) | |||||||
| χ2 | 2.896 | 14.404** | 3.382 | ||||||||
| 组别 | 生长方式 | ||||||||||
| 腔内型 | 腔外型 | 混合型 | |||||||||
| 低恶性潜能组 | 67(46.21) | 39(26.90) | 39(26.90) | ||||||||
| 高恶性潜能组 | 17(36.96) | 19(41.30) | 10(21.74) | ||||||||
| χ2 | 3.429 | ||||||||||
| 组别 | 溃疡 | 肿瘤血管影 | 不均匀强化 | 钙化 | |||||||
| 低恶性潜能组 | 46(31.72) | 41(28.28) | 67(46.21) | 10(6.90) | |||||||
| 高恶性潜能组 | 21(45.65) | 18(39.13) | 39(84.78) | 6(13.04) | |||||||
| χ2 | 2.975 | 1.927 | 21.041** | 1.719 | |||||||
Tab.3 Comparison of enhanced CT imaging features between the two groups
| 组别 | n | 密度不均匀 | 形态不规则 | 边界不清晰 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 低恶性潜能组 | 145 | 35(24.14) | 38(26.21) | 31(21.38) | |||||||
| 高恶性潜能组 | 46 | 17(36.96) | 26(56.52) | 16(34.78) | |||||||
| χ2 | 2.896 | 14.404** | 3.382 | ||||||||
| 组别 | 生长方式 | ||||||||||
| 腔内型 | 腔外型 | 混合型 | |||||||||
| 低恶性潜能组 | 67(46.21) | 39(26.90) | 39(26.90) | ||||||||
| 高恶性潜能组 | 17(36.96) | 19(41.30) | 10(21.74) | ||||||||
| χ2 | 3.429 | ||||||||||
| 组别 | 溃疡 | 肿瘤血管影 | 不均匀强化 | 钙化 | |||||||
| 低恶性潜能组 | 46(31.72) | 41(28.28) | 67(46.21) | 10(6.90) | |||||||
| 高恶性潜能组 | 21(45.65) | 18(39.13) | 39(84.78) | 6(13.04) | |||||||
| χ2 | 2.975 | 1.927 | 21.041** | 1.719 | |||||||
| 变量 | β | SE | Wald χ2 | P | OR | OR 95%CI |
|---|---|---|---|---|---|---|
| 肿瘤直径 | 0.033 | 0.013 | 6.036 | 0.014 | 1.033 | 1.007~1.061 |
| 肿瘤边界 | 1.177 | 0.479 | 6.047 | 0.014 | 3.244 | 1.270~8.287 |
| 肿瘤形态 | 1.392 | 0.400 | 12.137 | <0.001 | 4.022 | 1.838~8.801 |
| 强化方式 | 1.879 | 0.471 | 15.907 | <0.001 | 6.546 | 2.600~16.479 |
| 常数项 | -4.756 | 0.855 | 30.925 | <0.001 | 0.009 |
Tab.4 Multivariate Logistic regression analysis of the influencing factors of high malignant potential in GIST patients
| 变量 | β | SE | Wald χ2 | P | OR | OR 95%CI |
|---|---|---|---|---|---|---|
| 肿瘤直径 | 0.033 | 0.013 | 6.036 | 0.014 | 1.033 | 1.007~1.061 |
| 肿瘤边界 | 1.177 | 0.479 | 6.047 | 0.014 | 3.244 | 1.270~8.287 |
| 肿瘤形态 | 1.392 | 0.400 | 12.137 | <0.001 | 4.022 | 1.838~8.801 |
| 强化方式 | 1.879 | 0.471 | 15.907 | <0.001 | 6.546 | 2.600~16.479 |
| 常数项 | -4.756 | 0.855 | 30.925 | <0.001 | 0.009 |
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