ArticleHead and neck pathology2022
Endotype of Chronic Rhinosinusitis with Nasal Polyps in Morocco.
Article in Head and neck pathology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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12 authors at 1 institution in 1 country.
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Abstract
backgroundWith the advent of biotherapies, endotyping of chronic rhinosinusitis with nasal polyps (CRSwNP) is becoming more and more important to optimize therapeutic management. While the majority of CRSwNPs in the United States, Europe, and Japan exhibit type 2 eosinophil-dominant inflammation response, other parts of Asia display mixed patterns including neutrophil-dominant inflammation. Until now, no study has focused on the proportion of inflammation patterns in Morocco or anywhere on the African continent. We aim to fill this gap by studying tissue inflammatory response in our operated patients. MATERIAL AND
methodsAfter searching the database of the pathology department, we retrieved from the archives the stained pathology slides of all our patients who underwent surgery for CRSwNP over 5 years from 2017 to 2021. We counted then the number of eosinophils in the lamina propria at high-power magnification to determine the predominant inflammatory pattern.
resultsA total of 35 reports were collected. We found that eosinophilic inflammation was predominant, accounting for 97% of the cases.
conclusionsThe CRSwNP endotype in our region would mainly be type 2. However, our results must be confirmed by multicenter studies involving a large number of patients.
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