Phothijindakul N, Chusakul S, Aeumjaturapat S, Snidvongs K, Kanjanaumporn J, Ruangritchankul K, Phannaso C.
Nasal eosinophilia on nasal cytology was a good screening tool for diagnosing local allergic rhinitis (LAR) because of its high sensitivity and simplicity of the procedure. Unfortunately, the low specificity of nasal eosinophilia makes the nasal provocation test (NPT) necessary for confirmation of LAR.