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

Figure 2

Preoperative DSA: selective catheterization of proximal right ECA and ICA. Posteroanterior (PA) (a–c) and detailed (d) views of the JNA with major feeders from sphenopalatine branches of the distal right internal maxillary artery. Some small feeders also arise from right ICA branches (c). Controlateral ICA did not show any feeders.

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