Further Observations Concerning the Salivary Transport of Iodide

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Abstract
RECENTLY Thode, Jaimet and Kirkwood,1 of Hamilton, Ontario, reported excellent correlation between thyroidal status and the ratios obtained when the concentration of I131 in mixed saliva (that is, serous and mucous) was related to either total or protein-bound radioactivity in the plasma twenty-four hours after administration of the tracer. Ratios in hyperthyroid patients were markedly lower and in myxedematous patients markedly higher than those found in normal subjects.§ It was suggested that the saliva test might "provide additional information concerning thyroid-salivary function as well as an excellent diagnostic test."In a previous publication2 we reported that ratios of salivary I . . .