Dual ectopic thyroid: subclinical hypothyroidism after extirpation of a submaxillary mass]
REVISTA ESPANOLA DE MEDICINA NUCLEAR(2009)
摘要
Ectopic thyroid tissue is a rare clinical entity, and more so when it is present in two different locations. We present the case of a 38-year-old euthyroid woman with submandibular and lingual ectopic thyroid tissue in the absence of a normally located thyroid gland, diagnosed after the extirpation of an asymptomatic mass misdiagnosed as a neoplasm of the submaxillary gland. Despite its low frequency, the possibility of ectopic thyroid should be considered when making a differential diagnosis of neck masses, using ultrasound, thyroid scan and ultrasound-guided fine-needle aspiration biopsy. (C) 2008 Elsevier Espana, S.L and SEMN. All rights reserved.
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关键词
Ectopic thyroid,Lingual thyroid,Subclinical hypothyroidism,Submandibular gland neoplasm,Thyroid scintigraphy
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