Ethnic Variation of Sinonasal Anatomy on CT Scan and Volumetric Analysis

Venkata Joga Prasanth Mokhasanavisu, Rohit Singh, R. Balakrishnan, Rajagopal Kadavigere

Research output: Contribution to journalArticle

Abstract

To determine Ethnic differences in the frequency of the relatively common anatomical variants along with difference in anatomy of sinonasal region with surgical importance. A study was conducted to determine the frequency of anatomical variants, volumes of paranasal sinuses using computed tomography and to identify any difference between Group A consisting of people of Indian subcontinent and Group B consisting of people from north east Asian region. Volumetric analysis done using cumulative of area multiplied by slice thickness. The results were compared using Chi square test, p value < 0.05 was considered statistically significant. Among the common and uncommon anatomical variants (Agger nasi, pneumatized uncinate, concha bullosa etc.) there was no significant difference between the two groups. In both the groups Keros Type 1 was the most common type of ethmoid roof seen. On volumetric analysis sphenoid sinus volume was found to be higher in Indians without mongoloid features. Hence it’s ideal that in this era of endoscopic sinus surgery we tailor make approaches to address individual anatomical variation.

Original languageEnglish
JournalIndian Journal of Otolaryngology and Head and Neck Surgery
DOIs
Publication statusAccepted/In press - 01-01-2019

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Sphenoid Sinus
Cone-Beam Computed Tomography
Paranasal Sinuses
Chi-Square Distribution
Anatomy
Tomography

All Science Journal Classification (ASJC) codes

  • Surgery
  • Otorhinolaryngology

Cite this

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Ethnic Variation of Sinonasal Anatomy on CT Scan and Volumetric Analysis. / Mokhasanavisu, Venkata Joga Prasanth; Singh, Rohit; Balakrishnan, R.; Kadavigere, Rajagopal.

In: Indian Journal of Otolaryngology and Head and Neck Surgery, 01.01.2019.

Research output: Contribution to journalArticle

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