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ORIGINAL ARTICLE
Year : 2015  |  Volume : 27  |  Issue : 1  |  Page : 63-67

Frequency of fungal infection in biopsies of oral mucosal lesions: A prospective hospital-based study


1 Department of Oral Medicine and Radiology, Rishiraj College of Dental Sciences, Bhopal, Madhya Pradesh, India
2 Department of Oral Medicine and Radiology, Regional Dental College, Guwahati, Assam, India
3 Department of Oral Medicine and Radiology, Teerthankar Dental College, Moradabad, Uttar Pradesh, India
4 Department of Oral Medicine and Radiology, Hazaribag College of Dental Sciences, Hazaribag, Jharkhand, India
5 Department of Orthodontics, Hazaribag College of Dental Sciences, Hazaribag, Jharkhand, India

Correspondence Address:
Thimmarasa Venkappa Bhovi
Department of Oral Medicine and Radiology, Rishiraj College of Dental Sciences, Bhopal - 462 036, Madhya Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-1363.167083

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Aims and Objectives: To determine the frequency and common site of fungal infection in biopsies of oral mucosal lesions and also to detect the lesions most likely to be infected with fungal infection. Materials and Methods: A total of 100 patients with oral mucosal lesions were advised routine hematological examination followed by incisional biopsy under local anesthesia. The specimen were fixed in 10% neutral buffered formalin and processed. One section from the specimen was stained with hematoxylin and eosin staining for histopathological diagnosis of the lesion and a second section was stained with Periodic acid-Schiff (PAS) stain for detection of fungal infection. Results: Out of the 100 patients, the most common mucosal lesion encountered was carcinoma (56%) followed by lesions with dysplastic changes (28%), benign lesions (9%), squamous papilloma (2%) and oral submucous fibrosis (5%). The most common anatomic location affected by the mucosal lesions were buccal mucosa, followed by the tongue, gingiva, maxillary tuberosity and floor of the mouth with values of 73%, 16%, 6%, 4% and 1%, respectively. Squamous papilloma had the highest positive association with fungal infection (100%) followed by lesions with dysplastic changes (17.9%) and carcinoma (8.9%). The maximum fungal positive association was encountered in the mucosal lesions over the tongue (18.7%) followed by the buccal mucosa (12.3%). Conclusion: There is statistically significant association of fungal infection with dysplastic lesions and papilloma with the tongue and buccal mucosa as the most common sites. Hence a PAS stain should be performed whenever epithelial dysplasia on the tongue and buccal mucosa is diagnosed.


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