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Tissue eosinophilia and computed tomography features in paediatric chronic rhinosinusitis with nasal polyps requiring revision surgery

Volume: 61 - Issue: 4

First page: 348 - Last page: 357

P-W. Wu - C-H. Chiu - Y-L. Huang - Y-S. Fan - T-J. Lee - C-C. Huang - P-H. Chang - C-C. Huang

BACKGROUND: Endoscopic sinus surgery (ESS) is an effective and safe treatment modality for medically recalcitrant chronic rhinosinusitis (CRS) in the paediatric population, especially in older children or those with nasal polyposis (CRSwNP). We aimed to elucidate the inflammatory pattern and clinical characteristics of CRSwNP related to revision surgery after ESS in a paediatric population.
METHODS: We retrospectively enrolled 146 patients with bilateral CRSwNP. Twenty-two patients had recurrent nasal polyps that required revision surgery. The clinical characteristics, computed tomography (CT) features, tissue eosinophil count, and immunoactivity of signature cytokines in the two groups were analysed.
RESULTS: Tissue eosinophil infiltration and immunoreactivity of eosinophilic cationic protein and IL-5 in the sinus mucosa were higher in patients that required revision surgery. The revision surgery group was significantly younger and had positive aeroallergen test results, higher total Lund-Mackay scores, and ethmoid/maxillary sinus ratio on CT images than those without revision surgery. A nomogram was developed to predict the probability of the requirement of revision surgery according to the logistic regression analysis results.
CONCLUSIONS: We developed a nomogram model using clinical characteristics, tissue eosinophilia, and CT features for the preoperative identification of patients vulnerable to revision surgery in paediatric CRSwNP. This could help clinicians predict the probability of recurrence and perform intensive postoperative adjunct therapy and follow-up.

Rhinology 61-4: 348-357, 2023

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