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June 1981

Evaluation of Eustachian Tube Function by Contrast Roentgenography

Arch Otolaryngol. 1981;107(6):350-352. doi:10.1001/archotol.1981.00790420024005

• Contrast roentgenography and cineroentgenography were carried out on nine patients with perforated eardrums to reveal the opening process of the Eustachian tube and its pumping-like clearance function in human beings. The results were as follows: (1) the tubal lumen opens along the cartilaginous part of the tube owing to the outward displacement of its lateral wall; (2) the pumping function of the tube consists in two phases: accumulation of the fluid in the tube by tensor contraction and discharge of the fluid by tensor relaxation.

(Arch Otolaryngol 1981;107:350-352)