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Year :2023
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Month :
January-February
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Volume :
12
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Issue :
1
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Page :
RO08 - RO11
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Diagnostic Accuracy of Computed Tomography by Fungal Sinusitis: A Case-control Study
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Correspondence Address :
AM Anand, Rintu George, Elamparidhi Padmanaban, Umamageshwari Amirthalingam ,
Elamparidhi Padmanaban,
187, First Cross Street, Jegaraj Nagar, Karuvadikuppam, Puducherry, India.
E-mail: pepsantosh@gmail.com
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Introduction: Introduction: Recent decades show a considerable increase in fungal infections, hence can lead to fungal sinusitis. Immunosuppression, postorgan transplant, diabetes mellitus, and Human Immunodeficiency Virus (HIV) infection have led to a rise in the incidence of fungal infections. Recent advances in nasal endoscopy, Computed Tomography (CT), and Histopathological Examination (HPE) techniques have led to better detection of fungal aetiology.
Aim: To determine the most significant CT findings in fungal sinusitis or combination of findings in comparison to HPE.
Materials and Methods: This retrospective, case-control study was done at Sri Manakula Vinayagar Medical College and Hospital, Puducherry, India, from January 2017 to December 2020. Total 90 patients were studied. Of which, 50 cases of fungal sinusitis confirmed with histopathological confirmation and available non contrast CT Paranasal Sinus (PNS) images where time interval between CT and Functional Endoscopic Sinus Surgery (FESS) not exceeding ten days were included. The control group had 40 patients with chronic sinusitis with HPE negative results. CT PNS was performed on PHILIPS 16 slice scanner without contrast administration. Data was entered into Microsoft Excel and analysed using Statistical Package for the Social Sciences (SPSS) version 22.0 software.
Results: Mean age of the cases (fungal sinusitis) were 46.7±17 years and 39±13.1 years of controls. Of the total 90 subjects, heterogeneous mucosal thickening was seen in 41 (45.6%), intrasinus hyperattenuation in 36 (40%), bone sclerosis in 44 (48.9%), bone erosion in 36 (40%), sinus expansion in 23 (25.6%) subjects. Fungal sinusitis patients had more proportion of these findings when compared to control group and hence p-value was significant (p-value <0.05).
Conclusion: The CT diagnostic features of the fungal sinusitis are heterogeneous mucosal thickening, intrasinus hyperattenuation, bone sclerosis, bone erosion and sinus expansion which were significant. These findings help to differentiate fungal sinusitis from non fungal sinusitis.
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