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  • Title: Effects of irradiation on the ciliary activity of the eustachian tube and the middle ear mucosa.
    Author: Ohashi Y, Nakai Y, Ikeoka H, Koshimo H, Onoyama Y.
    Journal: Arch Otorhinolaryngol; 1985; 242(3):343-8. PubMed ID: 4074193.
    Abstract:
    Radiation-induced changes in the ciliary activity of the eustachian tube and middle ear mucosa were investigated in a laboratory model. Twenty-four guinea pigs were sacrificed, and a mucosa at the bony portion of each eustachian tube and from the middle ear proximal and distal to the tube were sampled. The mucosal samples were irradiated with 200 kV hard X-rays discretely at a dosage level of 0.5-30.0 Gy, and the induced changes in ciliary activity were expressed as a percent deviation from baseline levels before irradiation. The present study demonstrates that the cilia of the eustachian tube and middle ear mucosa show different reactions to irradiation according to their tympanic locations.
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