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<p>Chronic nasal obstruction is one of the most common complaints hampering the quality of life of the patients, yet it is often inaccurately diagnosed. It may arise from structural abnormalities or chronic inflammation. This study aims to compare the effectiveness of nasal endoscopy and CT paranasal sinuses (CT PNS) in identifying anatomical variations in patients with chronic nasal obstruction as well as to assess the diagnostic accuracy of both modalities in detecting variations contributing to nasal obstruction. A cross-sectional study was conducted at the Department of ENT, CRH, SMIMS, Gangtok, over 18&#xa0;months, involving 80 patients with chronic nasal obstruction persisting for more than 12&#xa0;weeks and unresponsive to medical therapy. All patients underwent diagnostic nasal endoscopy (DNE) and CT PNS, and the anatomical variations detected were recorded and analysed. The most common anatomical variation observed in our study was deviated nasal septum (DNS) 90%, followed by other anatomical variations like concha bullosa, agger nasi cells, Haller cells, septal spurs and pneumatised uncinate process. While DNE was more effective in Identifying mucosal changes, nasal secretions and turbinate hypertrophy, CT PNS provided a superior assessment of bony structures, including haller cells, onodi cells, uncinate process variations and sinus opacifications. There was a significant correlation between the findings of both diagnostic modalities nasal endoscopy and CT PNS indicating their complementary roles. In our study we found that both DNE and CT PNS are required in cases of evaluation of nasal obstruction as some findings that can be observed on DNE is not seen on CT and vice versa. Findings such as DNS, spur, and its contact with the turbinates were better seen on CT, whereas findings such as turbinate hypertrophy and secretions and ostium are better seen on DNE. Hence, we conclude that a combination of both modalities should be considered in patients with nasal obstruction.</p>

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Study of Anatomical Variations in the Nasal Cavity Using Nasal Endoscopy Versus Computed Tomography in Patients Presenting with Chronic Nasal Obstruction to a Tertiary Care Hospital in Sikkim

  • 期刊论文

  • 发表日期：

    2025年11月28日

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  • Neeraj Chhabra,
  • Santosh Prasad Kesari,
  • Barun Kumar Sharma,
  • Mohonish N. Chettri,
  • Rajani Gurung,
  • Kondaveety Jeevitha

摘要

Chronic nasal obstruction is one of the most common complaints hampering the quality of life of the patients, yet it is often inaccurately diagnosed. It may arise from structural abnormalities or chronic inflammation. This study aims to compare the effectiveness of nasal endoscopy and CT paranasal sinuses (CT PNS) in identifying anatomical variations in patients with chronic nasal obstruction as well as to assess the diagnostic accuracy of both modalities in detecting variations contributing to nasal obstruction. A cross-sectional study was conducted at the Department of ENT, CRH, SMIMS, Gangtok, over 18 months, involving 80 patients with chronic nasal obstruction persisting for more than 12 weeks and unresponsive to medical therapy. All patients underwent diagnostic nasal endoscopy (DNE) and CT PNS, and the anatomical variations detected were recorded and analysed. The most common anatomical variation observed in our study was deviated nasal septum (DNS) 90%, followed by other anatomical variations like concha bullosa, agger nasi cells, Haller cells, septal spurs and pneumatised uncinate process. While DNE was more effective in Identifying mucosal changes, nasal secretions and turbinate hypertrophy, CT PNS provided a superior assessment of bony structures, including haller cells, onodi cells, uncinate process variations and sinus opacifications. There was a significant correlation between the findings of both diagnostic modalities nasal endoscopy and CT PNS indicating their complementary roles. In our study we found that both DNE and CT PNS are required in cases of evaluation of nasal obstruction as some findings that can be observed on DNE is not seen on CT and vice versa. Findings such as DNS, spur, and its contact with the turbinates were better seen on CT, whereas findings such as turbinate hypertrophy and secretions and ostium are better seen on DNE. Hence, we conclude that a combination of both modalities should be considered in patients with nasal obstruction.