Figure 3.
Images in a 58-year-old male with recurrent OP of the right maxillary sinus (a) and (b), There is a well-demarcated and lobulated mass of the right maxillary sinus, being heterogeneously grape-like high signal (★) on axial T1- and isointense signal on T2 weighted MR images interspersing with multiple small cystic changes of high T2 signal (←). (c) The focus exhibits heterogeneous enhancement with a “cerebriform” sign (*) on axial fat-suppressed contrast-enhanced MR image. No enhancement of the cystic regions is noted (←).