Glomus Tympanicum Tumor

**Definition:** A rare PARAGANGLIOMA involving the GLOMUS TYMPANICUM, a collection of chemoreceptor tissue adjacent to the TYMPANIC CAVITY. It can cause TINNITUS and conductive hearing loss (HEARING LOSS, CONDUCTIVE).

**Tree numbers:** - C04.557.465.625.650.700.705.360 - C04.557.580.625.650.700.705.360