<prompt> Pathognomonic 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 in the middle meatus. Mucosa and turbinates may appear red and swollen. 