E-ISSN 1305-3612
Head and Neck Imaging - Pictorial Essay
CT and MRI findings of developmental abnormalities and ectopia varieties of the thyroid gland
1 Department of Radiology, School of Medicine, Dokuz Eylul University, Izmir, Turkey  
2 Department of Radiology , İzmir Atatürk Training and Research Hospital, İzmir, Turkey.  
3 Department of Radiology, Dokuz Eylül University School of Medicine, İzmir, Turkey  
4 Department of Radiology, İzmir Atatürk Research and Training Hospital, İzmir, Turkey  
5 Department of Radiology , Süleyman Demirel University Faculty of Medicine, İsparta, Turkey  
Diagn Interv Radiol 2012; 18: 335-343
DOI: 10.4261/1305-3825.DIR.4913-11.2
Key Words: thyroid gland • thyroid dysgenesis • magnetic resonance imaging • diagnostic imaging
Abstract

Ectopic thyroid tissue may be observed anywhere from the tongue base to the lower neck. It is rarely seen in the mediastinum and abdominal cavity. Computed tomography and magnetic resonance imaging are very sensitive for detection and localization of ectopic thyroid tissue. This pictorial essay presents the radiological characteristics of developmental abnormalities and ectopia varieties of the thyroid gland.

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