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. 2016 Jun 20;129(12):1432–1438. doi: 10.4103/0366-6999.183419

Figure 3.

Figure 3

Scoring criteria of DWI. (a and b) Score 1: no reduction in ADC compared with normal glandular tissue. No increase in SI on any high b-value image (b ≥ 800); (c and d) score 2: Diffuse, hyper SI on b ≥ 800 image with low ADC; no focal features. However, linear, triangular, or geographical features are allowed; (e and f) score 3: intermediate appearances not in categories 1/2 or 4/5; (g and h) score 4: focal area(s) of reduced ADC, but iso-intense SI on high b-value images (b ≥ 800); (i and j) score 5: focal area/mass of hyper SI on the high b-value images (b ≥ 800) with reduced ADC. DWI: Diffusion-weighted imaging; ADC: Apparent diffusion coefficient; SI: Signal intensity.