That the lymphoid tissue in the nasopharynx occasionally involves the eustachian tube, both by its blocking effect and by its being the source of infection for the middle ear, is well recognized. This, in my opinion, accounts for the lessened frequency of involvement of the middle ear since there has been such universal removal of tonsils and adenoid tissue.
The symposium today does not include a consideration of conditions of this type but of the cases in which operation has previously been performed and remnants of this lymphoid tissue either still remain around the nasopharyngeal opening of the eustachian tube or have undergone compensatory increase in size. These compensatory enlargements Dr. Alexis Carrel has denominated as adaptation of tissues, such as occurs when the removal of one kidney is followed by the enlargement of the remaining organ in its effort to take care of the urinary secretion. Dr. Abel, of
ROY D. FREQUENCY AND EFFECT ON EUSTACHIAN TUBE OF RESIDUAL LYMPHOID TISSUE IN THE NASOPHARYNX. Arch Otolaryngol. 1936;24(3):325–330. doi:10.1001/archotol.1936.00640050335006
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