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Impaired Trapping of Tc-99m Pertechnetate in the Salivary Glands of Patients with Congenital Hypothyroidism

This paper describes diminished concentration of Tc-99m pertechnetate in the salivary glands of infants with congenital hypothyroidism. The salivary glands' abnormalities were incidentally noted on the neck images acquired for suspected lingual thyroid or athyrosis. None of the 11 infants with congenital hypothyroidism revealed normal Tc-99m pertechnetate trapping in the salivary glands.