目的:研究低剂量CT(low-dose CT,LDCT)在亚实性肺腺癌结节影像分期中的应用效果.方法:抽取43例亚实性肺腺癌患者为研究对象(2016年12月至2020年1月),所有患者均经病理检查明确为亚实性肺腺癌,予以CT诊断,进行结节影像分期.观察结节CT分期与病理分期情况.结果:CT诊断显示,GGO 44.19%,磨玻璃影25.58%,模糊结节30.23...
摘要: 目的:研究低剂量CT(low-dose CT,LDCT)在亚实性肺腺癌结节影像分期中的应用效果.方法:抽取43例亚实性肺腺癌患者为研究对象(2016年12月至2020年1月),所有患者均经病理检查明确为亚实性肺腺癌,予以CT诊断,进行结节影像分期.观察结节CT分期与病理分期情况.结果:CT诊断显示,GGO 44.19%... 查看全部>> ...
The continuous development and extensive use of computed tomography (CT) in medical practice has raised a public concern over the associated radiation dose to the patient. Reducing the radiation dose may lead to increased noise and artifacts, which can adversely affect the radiologists' judgment and...
Low-dose computed tomography (CTIonizing radiationRadiation exposureX-rayTissueUrinaryBeam collimation widthPost-data acquisition protocolsImaging modalities such as ultrasound do not have the sensitivity and specificity of computed tomography (CT) scan in the accurate assessment of urolithiasis. However, ...
摘要: 目的探讨低剂量CT扫描在早产儿中的应用和防护意义。方法40例随机等分成2组分别行低剂量50mAs及常规剂量250mAsCT扫描,统一于左基底节区测量、记录CT值及标准差(SD),并比对两组剂量之噪声、图像质量及CT剂量加权指数(CTDIw)和全头颅扫描剂量长度乘积(DLP)。结果...
Objective To study the usefulness of low-dose CT scan technique in examining paranasal sinus of preschool children. Methods Sixty subjects with normal paranasal sinus and mild paranasal sinusitis were randomly divided into 6 groups (each group 10 cases) according to different scan parameters. Group...
7.The Application of Low-dose Combined with Conventional Dose MSCT Scan on Imaging of Air-filling Colon结肠充气造影CT低剂量平扫结合常规剂量增强扫描的应用 8.Objective To study the effect of low exposing dose on detecting lung nodules by CT.目的探讨低剂量扫描对CT检出肺结节的影响。 9.Low-dose Ch...
The x-ray exposure to patients has become a major concern in computed tomography (CT) and minimizing the radiation exposure has been one of the major efforts in the CT field. Due to plenty high-attenuation tissues in the human chest, under low-dose scan protocols, thoracic low-dose CT (LD...
4.DoseCheckManagementWhitePaper 肺癌筛查现状 ⚫预防医学工作组(USPSTF)和医疗与医疗救助服务 1 (CMS)推荐对高风险个人实施低剂量CT肺癌筛查。 ⚫医疗已经批准对其受益人中有资格进行低剂量CT肺癌筛查 2 的高风险患者给予医保报销。 3 ⚫放射学院建议应用可靠的低剂量CT肺筛查方案。
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