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Sphenoid sinus pneumatization: the good, the bad, and the beautiful
K Badran1, A Tarifi2, A Shatarat3
1Department of Otolaryngology Head and Neck Surgery, The Hashemite University, PO Box 150459, Zarqa, 13115, Jordan. Badran99@hotmail.com.
Summary
Sphenoid sinus pneumatization, particularly in the lateral recess, frequently correlates with other anatomical variants. Understanding these patterns aids surgeons in predicting anatomy for safer endoscopic skull base procedures.
Area of Science:
- Radiology
- Otolaryngology
- Anatomy
Background:
- Sphenoid sinus pneumatization describes air-filled spaces within the sphenoid bone.
- Variations in pneumatization can impact surgical approaches to the skull base.
Purpose of the Study:
- To classify sphenoid sinus pneumatization types via CT scans.
- To investigate correlations between sphenoid sinus pneumatization and other anatomical variants.
Main Methods:
- CT scans of 780 hemi-sinuses were analyzed for sphenoid sinus pneumatization.
- Incidence and correlations with anatomical variants were assessed.
- Surgical window dimensions were measured for lateral pneumatization types.
Main Results:
- Lateral sphenoid sinus recess pneumatization occurred in 27.3% of cases.
- A strong correlation was found between foramen rotundum (FR) to Vidian canal (VC) distance and lateral recess depth.
- Significant positive correlations existed between lateral recess pneumatization and Vidian nerve prominence, other sinus pneumatization patterns, and sphenoid pneumatization in different planes.
Conclusions:
- Pre-operative CT assessment of sphenoid sinus pneumatization is crucial for endoscopic skull base surgery.
- Identified correlations allow for accurate prediction of anatomical variations, enhancing surgical safety and access.
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