Figure 2 | Scientific Reports

Figure 2

From: Differential diagnosis of thyroid nodules using heterogeneity quantification software on ultrasound images: correlation with the Bethesda system and surgical pathology

Figure 2

Diagram for assessing heterogeneity in the representative normal region using thyroid nodule ultrasonography images and the graphical user interface (GUI) with a sample US image on a quantification software. The processing procedures for assessing the heterogeneity were as follows: (a) opening US DICOM images, (b) manual drawing for region of interest (ROI) boundary detection, (c) region segmentation on US image and heterogeneity quantification of the segmented US image, and (d) color-mapping of heterogeneity scores. The manually drawn normal ROI is placed within the surrounding thyroidal parenchyma because the abnormal thyroid nodule is equal in size.

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