case_images: PMC7428948_01
case_images: Preoperative CT: (a) left nasal septal deviation (arrow) and swelling of right inferior turbinate (arrowheads); (b) left concha bullosa of middle turbinate (arrow); (c) the narrow of left maxillary sinus ostium owing to the left concha bullosa of middle turbinate (arrow A) and left Haller cell (arrow B). (d) Left accessory ostium of maxillary sinus (arrow in CT (left) and arrowheads in nasal endoscopic examination (right). NS, nasal septum; LM, left middle turbinate.
case_images: CRIOT2020-6869805.001.jpg
case_images: PMC7428948_01_CRIOT2020-6869805.001.jpg
case_images: fig1
case_images: Preoperative computer tomography (CT) and nasal endoscopic examination indicated septal deviation, concha bullosa, the presence of Haller cell, nasal mucosal swelling owing to nasal allergy, and maxillary sinus accessory ostium, while no sinusitis was detected (Figure 1).
case_images: No maxillary sinusitis and the graft material of bilateral maxillary sinus floor was detected in postoperative panoramic radiography.
case_images: CRIOT2020-6869805.002.jpg
case_images: PMC7428948_01_CRIOT2020-6869805.002.jpg
case_images: fig2
case_images: No maxillary sinusitis was found in follow-up panoramic radiography at 2 months after bilateral sinus lifts (Figure 2), and the postoperative course was uneventful before his 7 months follow-up evaluation.