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如何计算剂量 - 长度乘积(DLP)值?

[英]How to calculate Dose-Length Product (DLP) value?

I'm looking for a DICOM Tag for Dose-Length Product (DLP) Value. 我正在寻找剂量长度乘积(DLP)值的DICOM标签。 If there is no such a tag, how to calculate it based on other tags? 如果没有这样的标签,如何根据其他标签计算?

Maybe it is a calculation between (0018,1302) Scan Length and (0018,0050) Slice Thinkness and some others but I am not sure. 也许它是(0018,1302)扫描长度(0018,0050)切片思考和其他一些之间的计算,但我不确定。

DLP = Dose-Length Product [mGy x cm] DLP =剂量 - 长度乘积[mGy x cm]

I don't believe that there is a standard DICOM tag for DLP. 我不相信DLP有标准的DICOM标签。 I know it exists as a value in RDSR (Radiation Dose Structured Reports.) You could, however, calculate DLP from CTDIvol and Scan Length, assuming that you have both of those available in the header. 我知道它作为RDSR(辐射剂量结构化报告)中的值存在。但是,您可以从CTDIvol和扫描长度计算DLP,假设您在标题中有两个可用的值。

DLP = CTDIvol * ScanLength DLP = CTDIvol * ScanLength

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