<prompt> Pathognomic feature of Maxillary sinusitis is:Mucopus in the middle meatusInferior turbinate hyperophyPurulent nasal dischargeAtrophic sinusitis  <response>: Characteristic finding of maxillary sinusitis on Rhinoscopy is pus or mucopus in middle meatus. Mucosa and turbinates may appear red and swollen. Ref Dhingra 5e,p 205. 