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PubMed This is a summary of 67 peer-reviewed journal articles Updated
Endocrinology

Navigating Thyroid Ectopia: A Guide for Patients and Families

At a Glance

Thyroid ectopia (or ectopic thyroid) is a developmental condition where the thyroid gland grows in the wrong location, most often at the base of the tongue. Because this is typically the patient's only functioning thyroid tissue, it requires specialized care from an endocrinologist and ENT.

When you or your child are diagnosed with thyroid ectopia (often called an ectopic thyroid), the first reaction is usually confusion. How did the thyroid end up at the base of the tongue, or somewhere else in the neck?

This guide is designed to help you understand what thyroid ectopia is, how to ensure you get the right diagnostic tests, and how to make informed decisions about treatment.

What is Thyroid Ectopia?

During early development in the womb, the thyroid gland begins at the base of the tongue and travels down the neck to its final position. Thyroid ectopia occurs when the gland stops moving too early or wanders off this path. The most common form is a lingual thyroid, where the entire gland remains at the base of the tongue [1].

Because this “misplaced” tissue is often the only thyroid the person has, it is crucial that it is properly identified before any neck surgery is performed [2].

Can Diet Fix This?

A common question is whether taking iodine supplements or changing your diet can fix the condition or shrink the mass. The short answer is no. While a balanced diet is important for overall health, no specific diet or supplement can correct the anatomical placement of the gland or replace the need for medical management [3].

Building Your Care Team

Managing thyroid ectopia often requires a team of specialists working together:

  • Endocrinologist: A doctor who specializes in hormones. They will manage your thyroid hormone levels, monitor the size of the mass, and handle any medication needs [4].
  • Otolaryngologist (ENT Surgeon): A specialist in the ear, nose, and throat. They evaluate the physical mass, perform specialized scopes to check your airway, and perform surgery if the tissue needs to be removed [5].
  • Nuclear Medicine Specialist: A radiologist who conducts the specialized “scintigraphy” scans used to definitively diagnose ectopic thyroid tissue [6].

How to Use This Guide

Use the pages below to prepare for your next doctor’s visit and understand exactly what to expect from your diagnosis and care plan.

01

Recognizing Symptoms and Warning Signs of Thyroid Ectopia

Learn to recognize the symptoms of thyroid ectopia (lingual thyroid). Understand warning signs in newborns, children, and adults, and when to seek medical care.

02

The Biology and Diagnosis of Thyroid Ectopia

Learn about the biology and diagnosis of thyroid ectopia. Understand how ectopic thyroid tissue develops, genetic factors, and key imaging tests needed.

03

Imaging and Diagnosis: Making Sure Nothing is Missed

Learn about diagnosing thyroid ectopia. Understand why scintigraphy is the gold standard, the role of ultrasound, and how to avoid accidental thyroid removal.

04

Standard of Care: Managing and Treating Thyroid Ectopia

Learn about treatment options for thyroid ectopia and lingual thyroids. Understand when to use Levothyroxine suppression therapy versus TORS or open surgery.

05

The Long-Term Outlook: Monitoring and Growth Across the Lifespan

Learn about the long-term outlook for thyroid ectopia. Understand monitoring schedules, medication needs after surgery, and managing pregnancy or puberty.

Common questions in this guide

What is thyroid ectopia?
Thyroid ectopia occurs when the thyroid gland stops moving down the neck too early during fetal development and ends up in the wrong place, often at the base of the tongue. Importantly, this misplaced tissue is usually the only thyroid gland the person has.
Can taking iodine or changing my diet fix an ectopic thyroid?
No, diet changes or iodine supplements cannot fix the anatomical placement of an ectopic thyroid or shrink the mass. Proper medical management and monitoring by specialists are always required.
What doctors treat thyroid ectopia?
Managing an ectopic thyroid usually requires a multidisciplinary team. This typically includes an endocrinologist to manage hormone levels, an ENT surgeon to evaluate the airway and manage surgical needs, and a nuclear medicine specialist for diagnostic scans.
Why do I need a nuclear medicine scan for an ectopic thyroid?
A scintigraphy scan, performed by a nuclear medicine specialist, is used to definitively diagnose ectopic thyroid tissue. This ensures the mass is accurately identified as your functional thyroid before any neck surgery is considered.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.Who will act as the primary coordinator of my (or my child's) care team?
  2. 2.Do the endocrinologist and ENT on my team regularly collaborate on ectopic thyroid cases?
  3. 3.How many cases of thyroid ectopia have you managed or treated in the past year?

Questions For You

Tap a prompt to share your answer — we'll use it plus this page's context to start a tailored conversation.

References

References (6)
  1. 1

    Ectopic thyroid tissue presenting as a new neck mass in a pediatric patient.

    Carlson S, Campbell L, Janitz E

    Radiology case reports 2019; (14(1)):55-57 doi:10.1016/j.radcr.2018.09.018.

    PMID: 30364699
  2. 2

    [Ectopic thyroid gland: clinical features and diagnostics in children].

    Shreder EV, Vadina TA, Konyukhova MB, et al.

    Problemy endokrinologii 2022; (68(3)):76-85 doi:10.14341/probl12876.

    PMID: 35841171
  3. 3

    Ectopic lingual thyroid with subclinical hypothyroidism in children.

    An SJ, Cho MH, Shim YS, et al.

    Journal of pediatric endocrinology & metabolism : JPEM 2024; (37(5)):472-476 doi:10.1515/jpem-2023-0538.

    PMID: 38465442
  4. 4

    Case report: - A case report on the management of symptomatic Lingual throid.

    Alebie HK, Tasew YZ, Seyoum FA, Negash LG

    International journal of surgery case reports 2024; (121()):110005 doi:10.1016/j.ijscr.2024.110005.

    PMID: 38971029
  5. 5

    [The advantage and disadvantage of transoral orbotic surgery for parapharyngeal tumors: a systemic review].

    Xu B, Bao YY, Zhou SH

    Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery 2018; (53(10)):794-797 doi:10.3760/cma.j.issn.1673-0860.2018.10.016.

    PMID: 30347543
  6. 6

    Incidental Finding of Triple Ectopic Thyroid: Case Report and Review of the Literature.

    Zeineddine F, El-Hajj G, Hajj MA, Chahinian R

    Asia Oceania journal of nuclear medicine & biology 2024; (12(2)):179-184 doi:10.22038/AOJNMB.2024.75895.1532.

    PMID: 39050238

This guide provides educational information about thyroid ectopia and is not a substitute for professional medical advice. Always consult your endocrinologist and ENT specialist for personalized care and treatment decisions.

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