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29.02.2024 | Original Article
Correlation of Kennedy Osteitis Score with the Tissue and Peripheral Eosinophil Counts in Patients of Eosinophilic Chronic Rhinosinusitis
Erschienen in: Indian Journal of Otolaryngology and Head & Neck Surgery
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Background
The presence of osteoid bone in chronic rhinosinusitis especially the eosinophilic subtype is commonly associated with recalcitrant illness. In practice, the radiological features of osteitis sinus alterations are frequently described, but the clinical and histopathologic implications are not well understood.
Objective
This study was done to correlate the radiological and the clinico-histopathological aspects in patients of eosinophilic chronic rhinosinusitis.
Methods
A cross-sectional study was done on sixty patients of chronic rhinosinusitis with nasal polyposis (CRSwNP) patients especially the eosinophilic subtype undergoing sinus surgery. Radiologically, osteitis was graded using standards that had already been published in the literature. Analysis was done on the relationships between CT documented osteitis, histopathological, and peripheral eosinophilic counts in patients of eosinophilic chronic rhinosinusitis.
Results
The patients with higher tissue eosinophilia and higher peripheral eosinophils had higher osteitis score. Pearson’s correlation coefficient between Tissue Eosinophils and KOS was highly significant with p-value <0.001 (0.891). R2 value for KOS versus Tissue Eosinophils was 79.44%,implying that 79.44% variations were explained by Tissue Eosinophils in KOS. And R2 value for KOS versus Peripheral Eosinophils was 74.26%, implying that 74.26% variations were explained by Peripheral Eosinophils in KOS. Thereby, showing a positive relationship between the variables that were studied.
Conclusion
Kennedy Osteitis Score, histopathological and peripheral eosinophilia can be used as a marker to predict the disease severity in eosinophilic chronic rhinosinusitis.