Document Detail

Lingual thyroid: diagnosis using a hybrid of single photon emission computed tomography and standard computed tomography.
MedLine Citation:
PMID:  23351528     Owner:  NLM     Status:  Publisher    
Aim: To present a rare case of lingual thyroid detected using a hybrid of single photon emission computed tomography and standard computed tomography in a young woman with hypothyroidism. Materials and methods: A 29-year-old woman was screened for autoimmune thyroid disorders in early pregnancy, and found to have subclinical hypothyroidism. No thyroid tissue was found in the anterior neck upon ultrasonography, raising suspicions of an ectopic thyroid. The patient was treated with levothyroxine throughout the remainder of her pregnancy, and developed postpartum thyroiditis requiring an increase in levothyroxine dosage. Whole-body scintigraphy and zoomed static head and neck scintigraphy were performed. Abnormal 99mTc-pertechnetate uptake was observed in the oral region, whereas no uptake was found in the usual thyroid location. Hybrid imaging using single photon emission computed tomography and standard computed tomography was performed to improve three-dimensional representation of the area of increased activity. Results: The latter imaging modality detected ectopic thyroid tissue in the tongue. Conclusion: Whole body 99mTc-pertechnetate scintigraphy and a hybrid of single photon emission computed tomography and standard computed tomography are effective imaging modalities for the investigation of ectopic thyroid tissue. The latter modality is particularly recommended, as it allows more precise spatial visualisation of increased isotope uptake activity in the head and neck.
J Dolezal; J Vizda; J Horacek; S Spitalnikova
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-28
Journal Detail:
Title:  The Journal of laryngology and otology     Volume:  -     ISSN:  1748-5460     ISO Abbreviation:  J Laryngol Otol     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8706896     Medline TA:  J Laryngol Otol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1-3     Citation Subset:  -    
Department of Nuclear Medicine, Charles University in Praque, Faculty of Medicine in Hradec Kralove and Charles University Teaching Hospital, Hradec, Kralove, Czech Republic.
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