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Value of transrectal multimodal ultrasound combined with prostate specific antigen in predicting clinically organ-confined prostate cancer

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Journal Title:
Chinese Journal of Health Management
Key Word:
前列腺肿瘤;超声检查;造影剂;弹性成像技术;Prostatic neoplasms;Ultrasonography;Contrast media;Elasticity imaging techniques

Abstract´╝Ü Objective:To explore the predictive value of transrectal multimodal ultrasound and prostate specific antigen (PSA) in clinically organ-confined prostate cancer.Methods:It was a cross-sectional study. The clinical data of patients with suspected prostate nodules treated in the First Hospital of Shanxi Medical University from May 2014 to April 2020 were analyzed retrospectively. Of the patients, 48 cases of clinically organ-confined prostate cancer and 51 cases of benign prostatic hyperplasia confirmed by clinical data and pathology were selected as research objects. The characteristics of transrectal multimodal ultrasound in the two groups were compared. Combined with PSA, logistic regression analysis was applied to screen the statistically significant features, and then the diagnosis model was established, and odds ratio of the variables were compared. The receiver operating characteristic (ROC) curve was constructed to analyze the predicting ability of the diagnosis model.Results:Four features were obtained with logistic regression analysis finally, including enhancement type, enhancement degree, elastography mode and PSA. The odds ratio of enhancement degree was higher than those of the other independent variables. The area under ROC curve of the diagnosis model was 0.868 ( P<0.01), the cut-off value was 0.514. The sensitivity and specificity of the diagnosis model in predicting clinically organ-confined prostate cancer was 79.2% and 80.4%, respectively. Conclusions:This combined diagnosis model of transrectal multimodal ultrasound and PSA has a certain clinical value in predicting clinically organ-confined prostate cancer.

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