Dictionary of Cancer Terms
View in Spanish: Tinnitus
Tinnitus (tih-NY-tus)
A disorder in which a person hears noises such as buzzing, ringing, clicking, or the sound of a pulse, when no outside sound is causing them. Tinnitus may have many different causes, and may be a symptom of another disease or condition. It may be caused by certain tumors and anticancer drugs.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.