Fig. 4

A 50-year-old woman with primary adult type OGCT (IIIa). (a) The spongelike changes (arrowhead) are observed in the interior of the tumor appearing as the mostly solid mass (b). The cystic contents (arrowhead) give the low signal on DWI (c) and relatively high signal on ADC map (d), while the solid part (arrow) with the relatively high signal on DWI and low signal on ADC map