<prompt> Ground glass appearance of maxillary sinus is seen in?Maxillary SinusitisMaxillary CarcinomaMaxillary polypMaxillary fibrous dysplasia  <response>: Ans. d Maxillary fibrous dysplasiaRef: Ballengers Otorhinolaryngology: Head Neck Surge: by James Byron Snow, Phillip A. Wackym, John Jacob Ballenge centennial ed p-506 