Clinical significance of paranasal sinuses and its anatomical variations using 3D cone beam computed tomography: a retrospective study
DOI:
https://doi.org/10.18203/issn.2454-5929.ijohns20191730Keywords:
Cone beam computed tomography, Paranasal sinuses, Anatomic variationsAbstract
Background: Paranasal sinuses are a group of four paired air filled spaces surrounding the nasal cavity. During the developmental process, anatomical variations can occur in consequence of intra and extramural migration of the ethmoidal air cells, over pneumatization or hypoplasia of the sinuses and bulging of the neurovascular structures to the sinuses, thereby affecting the drainage pathways, causing chronic infections and complications during functional endoscopic sinus surgery (FESS). The aim of the study was to study the clinical significance of paranasal sinuses and it’s anatomical variations using CBCT.
Methods: A retrospective study was carried out at Meenakshi Ammal Dental College, Chennai, from June 2018 to November 2018 using 100 CBCT images of 50 males and 50 females, with their age group ranging from18-60 years. Radiographic assessment of paranasal sinuses and it’s variations were accurately characterized using customized Planmeca Romexis software and the data was analysed statistically.
Results: It is found that agar nasi cells were found to be higher 79% followed by Kuhn cells 45%, onodi cells 23% and haller cells 12%. Concha bullosa was found in 39%. Nasal septum was deviated to right in 31% and to the left in 36%. Maxillary sinus septa in 21%, sphenoid sinus pneumatization in 23%,maxillary sinus pneumatization in 2%, and crista galli pneumatization in 7% of the study population. And the results based on gender, the p value is found to be highly significant.
Conclusions: CBCT is the best tool for imaging the paranasal sinuses including osteo meatal complex, due to its high quality bone definition, thin slicing, multi planar cross-sectioning and low patient dosage.
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References
Omami G. CBCT Variants of Sinonasal Cavity: What Oral and Maxillofacial Radiologists Need to Know. Int J Dentistry Oral Sci. 2016;3(8):301-8.
Jangam DK, Lohakpure NP, Gavit DD, Patil A. Prevalence of Anatomical Variations of Osteomeatal Complex And Its Correlation With Incidental Maxillary Pathologies Using Cone Beam Computed Tomography. Int J Recent Sci Res. 2017;8(5):17251-6.
Dedeoğlu N, Altun O, Bilge OM, Sümbüllü MK. Evaluation of anatomical variations of nasal cavity and paranasal sinuses with cone beam computed tomography. Nobel Med. 2017;13(2):36-41.
Dedeoglu N, Altun O, Kucuk EB, Altindis S, Hatunogl E., Evaluation of the anatomical variation in the nasal cavity and paranasal sinuses of patients with cleft lip and palate using cone beam computed tomography. Bratisl Med J. 2016;117(12):691–6.
Rashid Al-Abri, Deepa Bhargava, Wameedh Al-Bassam, Yahya Al-Badaai, and Sukhpal Sawhney, Clinically Significant Anatomical Variants of the Paranasal Sinuses. Oman Med J. 2014;29(2):110–3.
Orhan K, Aksoy S, Oz U. CBCT Imaging of Paranasal Sinuses and Variations. DOI: 10.5772/intechopen.69090
Elsherif AAMH, Elsherif AMH. Some anatomic variations of the paranasal sinuses in patients with chronic sinusitis: a correlative ct study to age and sex. AAMJ. 2006;4(3):1.
Bolger WE, Parsons DS, Butzin CA. Paranasal sinus bony anatomic variations and mucosal abnormalities: CT analysis for endoscopic sinus surgery. Laryngoscope. 1991;101(1):56-64.
Schriber M, von Arx T, Sendi P, Jacobs R, Suter VG, Bornstein MM. Evaluating Maxillary Sinus Septa Using Cone Beam Computed Tomography:Is There a Difference in Frequency and Type Between the Dentate and Edentulous Posterior Maxilla? Int J Oral Maxillofac Implants. 2017;32(6):1324-32.
Som PM, Park EE, Naidich TP, Lawson W, Galli C. Pneumatization Is an Extension of the Adjacent Frontal Sinuses. Am J Neuroradiol. 2009;30(1):31-3.
Start radiology-Paranasal sinuses. Available at http://www.startradiology.com/internships/otolaryngology/paranasal-sinuses/. Accessed on 3 January 2019.
Epomedicine-Osteomeatal complex.Available at- http://epomedicine.com/medical-students/anatomy-of-ostiomeatal-complex/. Accessed on 3 January 2019.
Bradoo R. Anatomical Principles of Endoscopic Sinus Surgery: A step by step Approach. Taylor & Francis. 2005;4:59-72.
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