The Radiological Study of Onodi Cells Among Adult Sudanese Subjects
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2017, Vol 16, Issue 5
Abstract
The Onodi cell (sphenoethmoidal cell) is an anatomical variation of the most posterior ethmoidal air cell that pneumatizes superolateral to the sphenoid sinus and is intimately related to the optic nerve and internal carotid artery, hence their clinical relevance in the event of sinusopathy. Recently, there has been more interest in defining these cells and their variations as they pertain to endoscopic sinus and endonasal sellar and parasellar surgery. The development and refinement of computerized tomography (CT) imaging has allowed detailed assessment of each individual’s paranasal sinus anatomy, thus providing a map that allows the surgeons to operate safely. This study aimed to determine the prevalence of Onodi cell on CT scan in Sudanese population and to compare them statistically with available data worldwide. The study population involved 29 males (47.5%) and 32 females (52.5 %) with a mean age of 37 years. They were explored in the radiodiagnostic department of Ribat University Teaching Hospital, Khartoum- Sudan in the period from March to September 2015. Patients were scanned on slice collimation of 1mm thickness with slice thickness of 4mm. The name, age, and sex were recorded. CT scans were reviewed in axial, coronal, and sagittal planes in bony windows and reported the results in data sheet. Statistical analysis was performed using SPSS version, and compared with previous results in similar studies. Onodi cells were present bilaterally in 7 cases (11.5%), unilaterally in 11 cases (18.0%) and were completely absent in 43 cases (70.5%). Determination of these variations aids in providing a better surgical orientation and avoiding or minimizing the possible complications.
Authors and Affiliations
Kamal Badawi, Gesma Ahmed Madani, Yasser Seddeg
Keywords
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- EP ID EP597312
- DOI 10.9790/0853-160504106109.
- Views 81
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