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  Indian J Med Microbiol
 

Figure 3: Diagram of quantitative method for EBUS blood flow image. The VI is defined as the number of pixels in the flow signals divided by the number of pixels in ROI. The SI is defined as the number of isolated flow signal units in ROI. VI: Vascular index; SI: Scattering index; ROI: Region of interest; LN: Lymph node

Figure 3: Diagram of quantitative method for EBUS blood flow image. The VI is defined as the number of pixels in the flow signals divided by the number of pixels in ROI. The SI is defined as the number of isolated flow signal units in ROI. VI: Vascular index; SI: Scattering index; ROI: Region of interest; LN: Lymph node