<prompt> Antral sign is seen inJuvenile angiofibromaOtosclerosisCSOMSinusitis  <response>: Anterior bowing of the posterior wall of maxillary sinus often called antral sign or Holman-Miller sign, which is pathognomic of angiofibroma. Ref: Diseases of ear, nose and throat, PL Dhingra, 7th edition, page 281 