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Finite Element Analysis Model for Assessing Expansion Patterns from Surgically Assisted Rapid Palatal Expansion

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Maxillary sinus anatomy variation and nasal cavity width: structural computed tomography imaging.

M Rysz¹, L Bakoń

¹Department of Anatomy, Centre for Biostructure Research, Medical University, Chalubińskiego 5, 02-004 Warszawa, Poland. riisz@wp.pl

Folia Morphologica

|December 2, 2009

Summary

Anatomical variations in the maxillary sinus, such as Haller cells and septa, impact nasal duct width. Surgeons must analyze CT scans for safe maxillofacial and otolaryngology procedures.

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Area of Science:

Anatomical variations
Maxillofacial surgery
Otolaryngology

Background:

Variations in maxillary sinus bony structures and lateral nasal wall topography are clinically significant.
These anatomical details are crucial for maxillofacial surgeons and otolaryngologists.

Purpose of the Study:

To evaluate anatomical variations of the maxillary sinus.
To assess the prevalence of specific anatomical variations and their impact on adjacent structures.

Main Methods:

Retrospective analysis of 111 computed tomography (CT) examinations.
Evaluation of anatomical variations including Haller cells, septa, and infraorbital recess.
Measurement of nasal duct width in relation to identified variations.

Main Results:

Haller cell frequency was 13% (29/222).
Prevalence of one or more septa per sinus was 26% (49/222).
Infraorbital recess found in 3% (6/222) of cases. Mean nasal duct width was significantly enlarged with Haller cells or absent septa (p < 0.01).

Conclusions:

Maxillary sinus bony structures and lateral nasal wall topography exhibit significant variability.
Pre-operative analysis of CT scans is essential for surgeons to identify these variations and ensure patient safety.