Fig. 1From: Eustachian tube dysfunction in patients with house dust mite-allergic rhinitisRepresentative images for nasal endoscopic scores. A Representative image of posterior nostril area in control subject. B Representative images of posterior turbinate swelling (a), posterior nostril secretion (b), torus tubarius swelling (c), and nasopharyngeal lymphatic hyperplasia (d). C Schematic diagram of the shapes of pharyngeal orifices and its nasal endoscopic score (under 30° nasal endoscope)Back to article page