Recent advances in TV technology has made it possible to utilize the closed-circuit television system as an information transmission medium in the clinical, educational and research fields of otolaryngology. The characteristic features of CCTV with an immediate and permanent documentation by the video cassette taperecorder is summarized here with respect to its simultaneity, recordability, reproducibility, instantaneity, and repeatability.
The significance of introduction of CCTV into endoscopy, microsurgery, communication betweena surgeon and pathologist in surgery, clinical lecture, histological presentation to students, and presentation at medical conferences is discussed.
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