目的探讨高频超声造影(CEUS)在浅表肝脏局灶性病变(FLLs)检出及诊断中的临床价值。方法选取我院浅表FLLs患者38例,共63个病变,分别使用低频凸阵探头和高频线阵探头对患者进行CEUS检查,比较低频CEUS与高频CEUS在病变可见度评分、检出率...目的探讨高频超声造影(CEUS)在浅表肝脏局灶性病变(FLLs)检出及诊断中的临床价值。方法选取我院浅表FLLs患者38例,共63个病变,分别使用低频凸阵探头和高频线阵探头对患者进行CEUS检查,比较低频CEUS与高频CEUS在病变可见度评分、检出率和良恶性鉴别诊断中的差异。结果浅表FLLs在高频CEUS下平均可见度评分和检出率分别为(3.62±0.79)分、93.7%(59/63),均显著高于低频CEUS[(2.44±1.04)分、57.1%(36/63)],差异均有统计学意义(均P<0.05)。高频CEUS对最大径≤1 cm FLLs、最大径1~2 cm FLLs和肝转移瘤的检出率均显著高于低频CEUS[96.7%(29/30)vs.46.7%(14/30)、92.6%(25/27)vs.66.7%(18/27)、100%(26/26)vs.57.7%(15/26)],差异均有统计学意义(均P<0.001)。高频CEUS鉴别诊断浅表FLLs良恶性的灵敏度、准确率分别为92.9%、91.7%,均高于低频CEUS(78.6%、77.8%),差异均有统计学意义(均P<0.05)。结论高频CEUS在提高浅表FLLs的检出率和定性诊断方面均有明显优势,具有重要的临床价值。展开更多
Objective To evaluate the clinical value of myocardial perfusion imaging with dual-source dual-energy CT and a contrast agent at a low concentration in the diagnosis of myocardial infarction in the elderly.Methods One...Objective To evaluate the clinical value of myocardial perfusion imaging with dual-source dual-energy CT and a contrast agent at a low concentration in the diagnosis of myocardial infarction in the elderly.Methods Onestop cardiac imaging with dual-source CT was conducted in 138 elderly patients diagnosed with myocardial infarction between October 2015 and May 2016.The展开更多
文摘目的探讨高频超声造影(CEUS)在浅表肝脏局灶性病变(FLLs)检出及诊断中的临床价值。方法选取我院浅表FLLs患者38例,共63个病变,分别使用低频凸阵探头和高频线阵探头对患者进行CEUS检查,比较低频CEUS与高频CEUS在病变可见度评分、检出率和良恶性鉴别诊断中的差异。结果浅表FLLs在高频CEUS下平均可见度评分和检出率分别为(3.62±0.79)分、93.7%(59/63),均显著高于低频CEUS[(2.44±1.04)分、57.1%(36/63)],差异均有统计学意义(均P<0.05)。高频CEUS对最大径≤1 cm FLLs、最大径1~2 cm FLLs和肝转移瘤的检出率均显著高于低频CEUS[96.7%(29/30)vs.46.7%(14/30)、92.6%(25/27)vs.66.7%(18/27)、100%(26/26)vs.57.7%(15/26)],差异均有统计学意义(均P<0.001)。高频CEUS鉴别诊断浅表FLLs良恶性的灵敏度、准确率分别为92.9%、91.7%,均高于低频CEUS(78.6%、77.8%),差异均有统计学意义(均P<0.05)。结论高频CEUS在提高浅表FLLs的检出率和定性诊断方面均有明显优势,具有重要的临床价值。
文摘Objective To evaluate the clinical value of myocardial perfusion imaging with dual-source dual-energy CT and a contrast agent at a low concentration in the diagnosis of myocardial infarction in the elderly.Methods Onestop cardiac imaging with dual-source CT was conducted in 138 elderly patients diagnosed with myocardial infarction between October 2015 and May 2016.The