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A, Endoscopic view of the sphenoid sinus following removal of the inspissated mucus and fungal debris. The most lateral and inferior portions of the sinus are evident (arrowhead). The aneurysm (a) projects from the superior aspect of the sphenoid, to nearly fill the sinus (s = midline nasal septum).
B, Endoscopic view of the sphenoid sinus approximately 5 days after embolization. There is no evidence of recurrent fungal debris and the embolized aneurysm is much smaller
