Background: The preoperative prediction of peritoneal metastasis (PM) in gastric cancer would prevent unnecessary surgery and promptly indicate an appropriate treatment plan.
Aim: To explore the predictive value of visceral fat (VF) parameters obtained from preoperative computed tomography (CT) images for occult PM and to develop an individualized model for predicting occult PM in patients with gastric carcinoma (GC).
Methods: A total of 128 confirmed GC cases (84 male and 44 female patients) that underwent CT scans were analyzed and categorized into PM-positive ( = 43) and PM-negative ( = 85) groups. The clinical characteristics and VF parameters of two regions of interest (ROIs) were collected. Univariate and stratified analyses based on VF volume were performed to screen for predictive characteristics for occult PM. Prediction models with and without VF parameters were established by multivariable logistic regression analysis.
Results: The mean attenuations of VF and VF varied significantly between the PM-positive and PM-negative groups ( = 0.044 and 0.001, respectively). The areas under the receiver operating characteristic curves (AUCs) of VF and VF were 0.599 and 0.657, respectively. The mean attenuation of VF was included in the final prediction combined model, but not an independent risk factor of PM ( = 0.068). No significant difference was observed between the models with and without mean attenuation of VF (AUC: 0.749 0.730, = 0.339).
Conclusion: The mean attenuation of VF is a potential auxiliary parameter for predicting occult PM in patients with GC.
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| http://dx.doi.org/10.3748/wjg.v29.i15.2310 | DOI Listing |
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