CT radiomics-based pancreatic neuroendocrine tumor grading method
A technology of neuroendocrine and grading methods, applied in the field of tumor grading, can solve the problems of physical injury of patients, unfavorable treatment of patients, increase of diagnosis time, etc., and achieve the effect of relieving pain, shortening treatment time, and avoiding differences in diagnosis
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[0020] Such as figure 1 As shown, the grading method of pancreatic neuroendocrine tumors based on CT radiomics of the present invention comprises the following steps:
[0021] (1) Radiologists performed abdominal CT scans on 99 PNET patients, and manually marked the PNET tumor areas;
[0022] (2) Extract radiomics features in each tumor area, including texture features Haralick, Laws, CoLlAGe, and wavelet features Gabor. Each feature contains various descriptions and statistical values. A total of 585 dimensions of omics were extracted from 99 patients features, which make up the data set;
[0023] (3) Divide the data set obtained in step (2) into a training set and a test set according to the sequence of abdominal CT scan time, wherein the ratio of the number of patients contained in the training set and the test set is 6:4. Apply bootstrap to the training set to sample it 100 times, each time the sub-samples obtained do not exceed 75% of the entire training set, and the fi...
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