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<p>Maxillary sinus is the largest paranasal sinus and excessive pneumatization forms recesses beyond its normal anatomical limits. Present study aimed to measure the dimensions of the maxillary sinus and to determine the prevalence, angle and depth of its various recesses. Retrospective review of Computed Tomography of paranasal sinuses of patients who underwent imaging for various unilateral nasal conditions from January 2010 to December 2019 were done and dimensions of the maxillary sinus and its various recesses on the uninvolved side were recorded and analysed. Mean age of the 90 patients included in the study was 47.92 years. The maxillary sinus height (34.81 ± 6.41&#xa0;mm) and depth (35.13 ± 4.23&#xa0;mm) were comparable while the width (24.78 ± 5.03&#xa0;mm) tended to be much smaller. Zygomatic recess was the most commonly present recess (92.2%) followed by prelacrimal (70%) and palatonasal recess (55.7%). Sphenomaxillary plate was not seen in any of the patients in this cohort. Among the three recesses, the zygomatic recess had the maximum depth (13.27 ± 3.89&#xa0;mm) with females having a deeper recess than males. There was no significant difference in any of the dimensions between males and females. There is no significant difference in maxillary sinus height and depth. However, the width tended to be much smaller. Excessive pneumatisation of maxillary sinus forms various recesses of which zygomatic recess is most common. An in-depth assessment of the maxillary sinus recesses during preoperative evaluation of sinus surgery could help in complete disease clearance and reduce the rate of revision surgeries.</p>

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Maxillary Sinus Dimensions and Recesses—A Computed Tomography Assessment

  • 期刊论文

  • 发表日期：

    2025年9月17日

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  • Rakesh R. Bright,
  • Lalee Varghese,
  • Madhavi Kandagaddala,
  • Aparna Irodi,
  • Regi Kurien

摘要

Maxillary sinus is the largest paranasal sinus and excessive pneumatization forms recesses beyond its normal anatomical limits. Present study aimed to measure the dimensions of the maxillary sinus and to determine the prevalence, angle and depth of its various recesses. Retrospective review of Computed Tomography of paranasal sinuses of patients who underwent imaging for various unilateral nasal conditions from January 2010 to December 2019 were done and dimensions of the maxillary sinus and its various recesses on the uninvolved side were recorded and analysed. Mean age of the 90 patients included in the study was 47.92 years. The maxillary sinus height (34.81 ± 6.41 mm) and depth (35.13 ± 4.23 mm) were comparable while the width (24.78 ± 5.03 mm) tended to be much smaller. Zygomatic recess was the most commonly present recess (92.2%) followed by prelacrimal (70%) and palatonasal recess (55.7%). Sphenomaxillary plate was not seen in any of the patients in this cohort. Among the three recesses, the zygomatic recess had the maximum depth (13.27 ± 3.89 mm) with females having a deeper recess than males. There was no significant difference in any of the dimensions between males and females. There is no significant difference in maxillary sinus height and depth. However, the width tended to be much smaller. Excessive pneumatisation of maxillary sinus forms various recesses of which zygomatic recess is most common. An in-depth assessment of the maxillary sinus recesses during preoperative evaluation of sinus surgery could help in complete disease clearance and reduce the rate of revision surgeries.