case_images: PMC5674498_01
case_images: PMC5674498_02
case_images: CT scan revealing an expansive mass occupying the right maxillary sinus (coronal view).
case_images: CRIOT2017-3263728.001.jpg
case_images: PMC5674498_02_CRIOT2017-3263728.001.jpg
case_images: fig1
case_images: As symptoms persisted after medical management, a CT scan was ordered, revealing an expansive maxillary sinus opacification with erosion of the right maxillary sinus medial wall (Figure 1()).
case_images: Magnetic resonance of the maxillary sinus mass.
case_images: CRIOT2017-3263728.002.jpg
case_images: PMC5674498_02_CRIOT2017-3263728.002.jpg
case_images: fig2
case_images: The magnetic resonance imaging (MRI) revealed a mass in the right maxillary sinus with an heterogeneous pattern in the T1 sequence with contrast (Figure 2()).
case_images: Angiography preembolization.
case_images: CRIOT2017-3263728.003.jpg
case_images: PMC5674498_02_CRIOT2017-3263728.003.jpg
case_images: fig3
case_images: An angiography and preoperative embolization (Figure 3()) of the right sphenopalatine artery was undertaken, and a meatotomy and ethmoidectomy under endoscopic control were performed (Figures 4() and 5()).
case_images: Endoscopic view of the mass.
case_images: CRIOT2017-3263728.004.jpg
case_images: PMC5674498_02_CRIOT2017-3263728.004.jpg
case_images: fig4
case_images: An angiography and preoperative embolization (Figure 3()) of the right sphenopalatine artery was undertaken, and a meatotomy and ethmoidectomy under endoscopic control were performed (Figures 4() and 5()).
case_images: PMC5674498_03
case_images: PMC5674498_04
case_images: PMC5674498_05