Aim of the to assess the purpose of fungal rhinosinusitis at MNR Medical College & Hospital, Sangareddy, and to correlate histopathological findings with culture results for accurate clinical classification of the disease. 217 suspected patients were included in the study. The relevant clinical details of the patients including the co-morbidities in the medical records were examined. Samples like nasal swabs collected during nasal endoscopy under sterile conditions, Sinus washings, Allergic mucin, tissue biopsy from polyps & tissue biopsy taken from sinus mucosa during nasal surgery, were processed and examined by microbiology culture using recommended techniques. Slide culture was done to observe the microscopic morphology. Histopathological examination was done by H and E stain and PAS stain for classification. | Mycological profile of chronic rhinosinusitis