ArticleAACE endocrinology and diabetes
Triple Ectopic Thyroid Gland in a 4-Year-Old Child.
Article in AACE endocrinology and diabetes. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Ultrasonography of palpable masses in the pediatric head and neck.Pediatric radiology · 2026Review
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4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background/Objective: Triple ectopic thyroid is exceedingly rare. The objective of this report is to present a case of triple ectopic thyroid that presented as a right submandibular mass in a euthyroid child. Case Report: A 4-year-old boy presented with a right-sided neck mass for 2 months. Neck ultrasound revealed a soft tissue mass adjacent to the submandibular salivary gland. Post intravenous contrast computed tomography scan, an additional 2 enhancing nodules were identified in the sublingual and hyoid areas. No thyroid tissue was identified in its normal pretracheal region. A fine-needle aspiration biopsy under ultrasound guidance of the right neck mass revealed numerous follicular epithelial cells in a background of homogenous colloid, characteristic of normal thyroid tissue. A Tc-99m pertechnetate thyroid scan demonstrated that the other 2 nodules were also ectopic thyroid tissue. Further workup revealed a thyroid stimulating hormone of 6.19 mIU/L (0.7-6.4) and a free thyroxine level of 1.0 ng/dL (0.8-2.0). Discussion: Delayed presentation of ectopic thyroid tissue as a mass presents diagnostic challenges, particularly when it is not found around the course of the thyroglossal duct and is associated with 2 additional ectopic thyroid nodules. Very few cases of triple thyroid ectopy have been reported particularly in pediatric patients. Conclusion: Although most cases of ectopic thyroid in children are identified shortly after birth, a late presentation can occur. In a euthyroid patient presenting with a mass and absence of a thyroid gland in the normal position, thyroid ectopy should be included in the differential diagnosis.
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