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 ORIGINAL ARTICLE
Year : 2013  |  Volume : 31  |  Issue : 4  |  Page : 379-384

Unusual causes of fungal rhinosinusitis: A study from a tertiary care centre in South India


1 Department of Gastrointestinal Sciences, Williams Research Building, Christian Medical College, Vellore, Tamil Nadu, India
2 Department of Microbiology, Sri Ramachandra Medical College and Research Institute, Chennai, Tamil Nadu, India
3 Department of Pathology, Sri Ramachandra Medical College and Research Institute, Chennai, Tamil Nadu, India
4 Department of E.N.T., Sri Ramachandra Medical College and Research Institute, Chennai, Tamil Nadu, India

Correspondence Address:
S Giri
Department of Gastrointestinal Sciences, Williams Research Building, Christian Medical College, Vellore, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0255-0857.118901

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Purpose: The frequency of mycotic infections of the nose and paranasal sinuses has been increasing over the past three decades. Apart from the common causes of fungal rhinosinusitis such as Aspergillus species and Penicillium species, there have been reports of rare and unusual fungi isolated from India and other countries. Objective: The objective of this study is to find out the prevalence of fungal infections of the nose and paranasal sinuses caused by unusual fungal isolates at a tertiary care teaching hospital in South India. Materials and Methods: Duration of the study period was from April 2009 to March 2010. Specimens were collected from the nose and paranasal sinuses of all clinically and radiologically diagnosed cases of rhinosinusitis. All the clinical specimens were processed by standard methods for fungal culture. This included initial screening by 10% potassium hydroxide, inoculation of the specimen onto Sabouraud dextrose agar and incubation at 25°C and 37°C, followed by slide culture and other special techniques wherever necessary. Histopathological examination was also performed for the specimens. Results: A total of 60 specimens were received for fungal culture from cases of rhinosinusitis during the period, out of which 45 showed no growth. There were nine cases of Aspergillus flavus, 1 each of Aspergillus fumigatus and Penicillium species. The rest four specimens grew rare fungal isolates, i.e. Acremonium sp., Scedosporium apiospermun, Cladosporium cladosporioides and Lasiodiplodia theobromae. Histopathological findings were also positive for these four cases. Conclusion: Apart from the common causes, unusual fungal pathogens were isolated from cases of rhinosinusitis during the study period, which is in accordance with similar reports from other parts of India and some other countries.






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