Purpose To investigate the value of high frame rate contrast-enhanced ultrasound(H-CEUS)in the qualitative diagnosis of focal liver lesions(FLLs).Materials and Methods Seventy-two patients with FLLs who visited Sichuan Provincial People's Hospital from August 2021 to August 2022 were retrospectively enrolled in this study.All patients were diagnosed by conventional ultrasound,followed by contrast-enhanced ultrasound(CEUS)and H-CEUS.The diagnostic value of CEUS and H-CEUS in FLLs was evaluated by comparing the initial enhancement time,enhancement direction,vascular morphology,peak intensity and enhancement uniformity displayed by the two methods.Results Compared with CEUS,H-CEUS could more clearly show the direction of arterial phase enhancement,vascular morphology and uniformity after enhancement of the lesion.The sensitivity,specificity,accuracy,positive predictive value,and negative predictive value of CEUS and H-CEUS for the diagnosis of 72 FLLs were 87.10％,96.77％;85.37％,87.80％;86.11％,91.67％;81.82％,85.71％and 89.74％,97.30％,respectively.The area under the curve of CEUS and H-CEUS for the diagnosis of FLLs was 0.862 and 0.923,respectively.Conclusion Compared with CEUS,H-CEUS can more clearly show the characteristic manifestations of the arterial phase of lesions,providing richer and more reliable information for the qualitative diagnosis of FLLs.H-CEUS has a high diagnostic efficacy for FLLs.
Liver diseasesLiver neoplasmsUltrasonographyContrast media
万方数据
维普
