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Journal of Thyroid Research
Volume 2011 (2011), Article ID 159703, 4 pages
http://dx.doi.org/10.4061/2011/159703
Case Report

Dual Ectopic Thyroid with Normally Located Thyroid: A Case Report

1Department of Endocrinology, Gauhati Medical College, Guwahati, Assam 781032, India
2Nucleomed Imaging and Diagnostics, Guwahati, Assam 781005, India
3Department of Pathology, Gauhati Medical College, Guwahati, Assam 781032, India

Received 14 November 2010; Accepted 20 April 2011

Academic Editor: Marian Ludgate

Copyright © 2011 Bipul Kumar Choudhury et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Dual ectopic thyroid is a rare presentation of thyroid ectopia. Only a few cases have been reported in the world literature. Dual ectopic thyroid in the presence of a normally located thyroid is even rarer. We report a case of dual ectopic thyroid in the lingual and submandibular areas in a seventeen-year-old female with hypoplastic thyroid gland in its normal location. The patient presented with a midline swelling at the base of tongue with dysphagia. Thyroid function test revealed primary hypothyroidism. Ultrasonography of the neck showed hypoplastic thyroid in its normal location. A thyroid scan with Technetium-99 m pertechnate showed two intensely hyperfunctioning foci of ectopic thyroid tissue at a higher level in the midline consistent with dual ectopic thyroid, one at the base of tongue and the other in submental region. No uptake was seen in the normal bed.