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Fig. 1 | BMC Medical Imaging

Fig. 1

From: Effect of region of interest on ADC and interobserver variability in thyroid nodules

Fig. 1

Images obtained from a 28-year-old female patient with histologically proven follicular thyroid carcinoma in the left lobe. In the whole-volume (c-j) and single-slice (g) methods, freehand ROIs were drawn along the high signal intensity border of the tumor to cover the entire tumor on DWI at b400. In the solid sample method, three circular ROIs were placed within the tumor areas of the highest cellular activity on DWI at b400. The tumor areas showed high signals on DWI at b400 and low signals on the ADC map (k). a, Axial T2WI; b, Axial T1WI; c-j, DWI (b400); K, ADC map

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