Case of IV Stage Juvenile Nasopharyngeal Angiofibroma Presurgically Treated with a Single ECA Stop-Flow Embolization Technique Using Onyx 18

Figure 5

10x magnification of tumor specimen that documents the precise localization with accumulation of the embolizing fluid within the vascular branches and the preserved cytoarchitecture of the tumor demonstrating the selectivity and the optimal distribution and penetration exclusively within the arterial branches.