Politzer bags luminous cone, also known as Politzer's sign, is a medical maneuver used to test the patency of the auditory (Eustachian) tube. Although there are no direct synonyms for this specific term, several alternative phrases can be used to describe or explain the procedure. These include "Eustachian tube test", "Politzer's maneuver", or simply "luminous cone test". It involves introducing air pressure into the middle ear via the nose, causing movement of the luminous cone placed on the patient's cheek, indicating whether the Eustachian tube is functioning properly. These synonymous terms allow for a better understanding of the technique and its purpose in diagnosing ear-related conditions.