Pathognomic feature of Maxillary sinusitis is:
Characteristic finding of maxillary sinusitis on Rhinoscopy is pus or mucopus in middle meatus. Mucosa and turbinates may appear red and swollen. Ref Dhingra 5/e,p 205.
Mucopus in the middle meatus
Inferior turbinate hyperophy
Purulent nasal discharge
Atrophic sinusitis
Nose and paranasal sinuses