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. 1999;256(2):69-71.
doi: 10.1007/s004050050118.

Computed tomographic imaging to determine the frequency of anatomical variations in pneumatization of the ethmoid bone

N Basić  1 , V Basić, T Jukić, M Basić, M Jelić, J Hat
Affiliations

Computed tomographic imaging to determine the frequency of anatomical variations in pneumatization of the ethmoid bone

N Basić et al. Eur Arch Otorhinolaryngol. 1999.

Abstract

The present study was performed on axial and coronal CT scans of 212 patients. Scans were analyzed by an anatomist and a radiologist for the presence of Haller's cells, agger nasi cells, Onodi's cells and pneumatized crista galli. Results demonstrated the presence of Haller's cells in 21.2%, Onodi's cells in 10.4% and pneumatized crista galli in 2.4% of patients. A pneumatized anterior clinoid process was found in 0.5% of the patients. The data obtained in our study were compared with those reported in other anatomic and radiologic studies.

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