How do you identify onodi cells?
Both sagittal and coronal planes were used to identify the presence of Onodi cell. Onodi cell was identified as a posterior most ethmoid cell that in present either superior and/or lateral to sphenoid sinus. Further on sagittal plane, Onodi cell was seen separate from the posterior group of ethmoid air cells.
What is an onodi cell?
The Onodi cell is a posterior ethmoid air cell that lies superior to the sphenoid sinus and is in close proximity to at least one optic nerve or internal carotid artery (ICA). This close proximity of the Onodi cells to the optic nerve and ICA is a risk factor for surgical complications.
What is a sphenoid air cell?
Sphenoethmoidal air cell, also commonly known as the Onodi air cell, is an anatomical variant of the paranasal sinuses, important due to its close proximity to the optic nerve and internal carotid artery.
Does everyone have Haller cells?
The prevalence of Haller cells was noted to be 49.5% (99 of 200) in the study population. The ratio of male and female was 1.05:1 (52.89% in male and 49.93% in female). No significant statistical correlation was observed between occurrence of Haller cells and gender of patient (P > 0.05).
Where is the sphenoid sinus?
A type of paranasal sinus (a hollow space in the bones around the nose). There are two large sphenoid sinuses in the sphenoid bone, which is behind the nose between the eyes. The sphenoid sinuses are lined with cells that make mucus to keep the nose from drying out.
Are Haller cells normal?
Although a Haller’s cell is considered a normal anatomical variant, when enlarged it can significantly constrict the posterior aspect of the ethmoidal infundibulum and maxillary ostium from above.
Can ethmoid sinuses cause headaches?
This area can become infected, causing pain between the eyes, soreness on the bridge of your nose, headaches, facial pain/swelling, pressure, post nasal drip, bad breath, fever and other symptoms.
Are Haller cells abnormal?