Nasal Cytology: a Precision Medicine tool in clinical practice

Abstract

The BSACI guideline for the diagnosis and management of allergic and non-allergic rhinitis represents a precise and accurate document in defining the different sub-groups of patients suffering from allergic rhinitis (AR) and non-allergic rhinitis (NAR). We would like to stimulate the debate about this matter, mainly concerning the definition and classification of NAR. In particular, we would convince the readers that there are different phenotypes/endotypes of NAR in addition to non-allergic rhinitis with eosinophils (NARES). This concept is clinically relevant as deserves an adequate work-up and constitutes the background for the Precision Medicine (PM) approach.

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