Fig. 1.

Optimal MRI protocol to perform O-RADS MRI Risk scoring. a Sagittal T2-weighted sequence without fat saturation. b Axial T2-weighted lombo-pelvic sequence. c Axial DWI lombo-pelvic scan (b: 1400 s/mm²). d Corresponding axial ADC map. e Axial unenhanced T1-weighted in-phase. f Axial unenhanced T1-weighted opposed-phase. g Axial unenhanced T1-weighted Fat sequence. h Axial unenhanced T1-weighted water sequence. i Axial late-gadolinium T1-weighted sequence. j, k DCE T1-weighted sequence with myometrial curve (yellow curve) and region of interest within the solid ovarian tissue (blue curve) (l). This was classifified as an O-RADS MRI 4, and hypothesized to represent a serous borderline cystadenoma