TY - JOUR
T1 - Accessory maxillary ostia
T2 - Prevalence of an anatomical variant and association with chronic sinusitis
AU - Bani-Ata, Majid
AU - Aleshawi, Abdelwahab
AU - Khatatbeh, Abdullah
AU - Al-Domaidat, Derar
AU - Alnussair, Bayan
AU - Al-Shawaqfeh, Raneem
AU - Allouh, Mohammed
N1 - Publisher Copyright:
© 2020 Bani-Ata et al.
PY - 2020
Y1 - 2020
N2 - Introduction: The role of the accessory maxillary ostium, a common anatomical variant, in the development of chronic sinusitis remains unclear. This study aimed to examine the association between chronic sinusitis and presence of an accessory maxillary ostium using computed tomography (CT) of the paranasal sinuses. Methods: We conducted a retrospective study of 1188 paranasal sinus CT scans performed in a major tertiary medical center between January 1, 2016 and December 31, 2016. Axial and coronal and views were reviewed to evaluate the presence of accessory maxillary ostia and maxillary and ethmoid sinusitis. Results: Nine hundred twenty-eight patients were included for analysis. A 52.8% were male. Mean patient age was 33.8 years. A right accessory maxillary ostium was detected in 274 patients (29.5%), which was the same number of patients with a left accessory maxillary ostium. Bilateral accessory maxillary ostia were found in 172. The presence of right maxillary sinusitis was significantly associated with male gender and the presence of a right accessory maxillary ostium. Male gender was the only factor significantly associated with the presence of left sinusitis. Left or right ethmoidal sinusitis was significantly associated with male gender and the presence of left or right maxillary sinusitis, respectively. Conclusion: The presence of an accessory maxillary ostium may contribute to the development of maxillary and ethmoidal sinusitis. Further studies are needed to elucidate this association and determine indications for incorporating the natural and accessory ostia when performing middle meatus antrostomy during endoscopic sinus surgery.
AB - Introduction: The role of the accessory maxillary ostium, a common anatomical variant, in the development of chronic sinusitis remains unclear. This study aimed to examine the association between chronic sinusitis and presence of an accessory maxillary ostium using computed tomography (CT) of the paranasal sinuses. Methods: We conducted a retrospective study of 1188 paranasal sinus CT scans performed in a major tertiary medical center between January 1, 2016 and December 31, 2016. Axial and coronal and views were reviewed to evaluate the presence of accessory maxillary ostia and maxillary and ethmoid sinusitis. Results: Nine hundred twenty-eight patients were included for analysis. A 52.8% were male. Mean patient age was 33.8 years. A right accessory maxillary ostium was detected in 274 patients (29.5%), which was the same number of patients with a left accessory maxillary ostium. Bilateral accessory maxillary ostia were found in 172. The presence of right maxillary sinusitis was significantly associated with male gender and the presence of a right accessory maxillary ostium. Male gender was the only factor significantly associated with the presence of left sinusitis. Left or right ethmoidal sinusitis was significantly associated with male gender and the presence of left or right maxillary sinusitis, respectively. Conclusion: The presence of an accessory maxillary ostium may contribute to the development of maxillary and ethmoidal sinusitis. Further studies are needed to elucidate this association and determine indications for incorporating the natural and accessory ostia when performing middle meatus antrostomy during endoscopic sinus surgery.
KW - CT scan
KW - Maxillary
KW - Paranasal sinus
KW - Sinusitis
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U2 - 10.2147/IJGM.S253569
DO - 10.2147/IJGM.S253569
M3 - Article
AN - SCOPUS:85084852336
SN - 1178-7074
VL - 13
SP - 163
EP - 168
JO - International Journal of General Medicine
JF - International Journal of General Medicine
ER -