CT影像组学在胃肠道间质瘤中的应用进展
马奔, 赵成, 束翌俊, 董平

Application progress of CT radiomics in gastrointestinal stromal tumor
MA Ben, ZHAO Cheng, SHU Yijun, DONG Ping
表2 CT影像组学对GIST免疫组化分析的研究
Tab 2 Studies on immunohistochemical analysis of GIST by CT radiomics
GroupSample size/nCutoff value of Ki-67/%ResultReference
China33910

Radiomic signature AUC:

Training cohort: 0.787 (95%CI 0.632‒0.801)

Internal validation cohort: 0.765 (95%CI 0.683‒0.847)

External validation cohort: 0.754 (95%CI 0.666‒0.842)

Radiomic nomogram AUC:

Training cohort: 0.801 (95%CI 0.726‒0.876)

Internal validation cohort: 0.828 (95%CI 0.681‒0.974)

External validation cohort: 0.784 (95%CI 0.701‒0.868)

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China3448

Generated radiomic model AUC:

Training cohort: 0.835 (95%CI 0.761‒0.908)

External validation cohort: 0.784 (95%CI 0.691‒0.874)

[34]
Japan645

Fractal dimension:

Sensitivity=66.7%, Specificity=69.8%

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