常规超声及超声造影在肝脏占位性病变鉴别诊断中的应用价值
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Application value of conventional ultrasound and contrast-enhanced ultrasound in the diferential diagnosis of liverspace-occupying lesionsYanFangfang.Department ofUltrasound，Xihua County People's Hospital，Henan 466600， China
【Abstract】 Objective To study the application value of conventional ultrasound and contrast-enhanced ultrasound （CEUS）inthe diferential diagnosis ofliver space-occupying lesions.MethodsSeventy-two patients with liver space-occupying lesions treated inour hospital from January 2O21 to December 2023 were selected.Allpatients underwent routine ultrasound and CEUS examination.The pathological results，conventional ultrasound and CEUS diagnosticresults wereanalyzed，and the diagnostic eficacy ofconventional ultrasoundand CEUSandthetemporal changes of CEUS in benign and malignant lesions were compared.ResultsAmong 72 patients with liver space occupying lesions，there were 30 cases with malignant lesions and 42 cases with benign lesions.Thirty-seven cases with malignant and 35cases with benign were diagnosed byconventional ultrasound，of which9 cases were missed and16 cases were misdiagnosed. CEUS diagnosed 34 cases with malignancyand 38 cases with benign，including 2 cases of missed diagnosis and 6 cases of misdiagnosis. The diagnostic sensitivity （94.1% ），specificity （84.5% ），and accuracy （88.5%） of CEUS were higher than those of conventional ultrasound （70.6%， 63.4% ， 66.4% ），and the differences were statistically significant （P<0.05） .The consistency between CEUS diagnostic results and pathological results Kapp= 0.769， P<0.001 ）was better than conventional ultrasound （Kappa=0.330， P <0.001）. The onset and peak time of malignantlesions were shorter than benign lesions，and theonsetrate was higherthan benign lesions，with statistical significance （P<0.05） . Conclusion CEUS has beter sensitivity，specificity，accuracy，and consistency with pathological results inthediffrentialdiagnosisofliverspaceoccupying lesions thanconventionalultrasound，whichcanimprovethe diagnostic efficiency of liver space occupying lesions.
【Key words】Liver space occupying lesions；Conventional ultrasound;Contrast-enhanced ultrasound： Uniformity; Diagnostic efficacy
肝脏占位性病变包括肝血管瘤、肝细胞肝癌及肝脏转移瘤等，其中肝细胞癌已成为癌症致死的常见原因[1]。（剩余6885字）
