scholarly journals Lingual and Mediastinal Ectopic Thyroid with No Normal Thyroid Gland – A Very Rare Occurrence

2019 ◽  
Vol 27 (3) ◽  
pp. 251-254
Author(s):  
Shyam Kalyan N ◽  
Deepjoy Basu ◽  
Mehak Agarwal ◽  
Dulal Bose
Keyword(s):  
Thyroid Tissue ◽  
Ectopic Thyroid ◽  
Anatomical Location ◽  
Lingual Thyroid ◽  
Normal Thyroid ◽  
Common Location ◽  
Congenital Condition ◽  
Thyroxine Replacement Therapy ◽  
Dual Ectopic Thyroid ◽  
Upper Mediastinum

Introduction Ectopic thyroid is a  rare  congenital  condition.  Dual ectopic  thyroid  is  rarer still with  only  30  cases  reported  in  literature.  The  most  common  location  is  the  lingual  or  sublingual  region  followed  by  the  hyoid  region.  Instances  of  dual  ectopic  thyroid  with  one  in  lingual  region  and  the  other  in  mediastinum  are very few. Case  Report A  case  of  dual  ectopic  thyroid is presented with  absent  normal  thyroid  in  a  girl  of  14  years  who  presented  with  difficulty  in  swallowing  and  lump  sensation  in  throat.  Ultrasound,  MRI  scan  and  Technetium  99m  pertechnetate  thyroid  scan  were  done.  She  showed  lingual  thyroid  and  thyroid  tissue  in  upper  mediastinum  and  no  thyroid  tissue  in  the  normal  anatomical  location.  Discussion The  discovery  of  mediastinal  ectopic  thyroid  was  incidental.  She  had  subclinical  hypothyroidism  and  was  treated  with  thyroxine  replacement  therapy.

scholarly journals Incidental Finding of Dual Ectopic Thyroid on Computed Tomography Angiography

2017 ◽  
Vol 7 ◽  
pp. 30 ◽  
Author(s):  
Antonio Pierro ◽  
Savino Cilla ◽  
Pietro Modugno ◽  
Giuseppina Sallustio
Keyword(s):  
Computed Tomography ◽  
Patient Management ◽  
Incidental Finding ◽  
Thyroid Tissue ◽  
Ectopic Thyroid ◽  
Lingual Thyroid ◽  
Ectopic Thyroid Tissue ◽  
Ectopic Tissue ◽  
Normal Thyroid Function ◽  
Dual Ectopic Thyroid

The presence of simultaneous two ectopic foci of thyroid tissue (dual ectopic thyroid) is rare, and few cases have been reported in the literature. The ectopic thyroid tissue is an extremely uncommon embryological aberration due to the alterations occurring during the embryological development with incomplete migration of thyroid precursors. Commonly ectopic thyroid tissue is a midline structures, but the lateral location is possible but very rare. Ectopic thyroid is common in women and can vary in size from a microscopic focus to a few centimeters. The normal process of migration of the thyroid can be interrupted at various levels determining a lingual ectopy, a sublingual ectopic, prelaryngeal ectopy, or mediastinic ectopy. Intrathoracic and subdiaphragmatic organs are other sites where the ectopic thyroid tissue may be present. In most of the cases, ectopic tissue is a lingual thyroid and this condition can be totally asymptomatic, discovered incidentally, or occurs with symptoms such as dysphonia, dysphagia, dyspnea, and hemoptysis. Sublingual or suprahyoid ectopia is rare and even rarer are the cases of two foci of ectopic thyroid tissue simultaneously present. On imaging, the ectopic tissue shows the same characteristics of orthotopic thyroid tissue and similarly can undergo goiterous and cancerous transformation. We report a case of incidental dual ectopic thyroid in lingual and suprahyoid level in a 72-year-old female patient, asymptomatic and with normal thyroid function, who underwent computed tomography (CT) angiography before vascular surgery for the treatment of carotid stenosis. The presence of a lingual thyroid can lead to a difficult and dangerous intubation, with possible fatal consequences. For this reason, the discovery of these abnormalities has totally changed the patient management who has been subjected to endovascular treatment, instead to the classical surgery.

scholarly journals Ectopic Thyroid Tissue in Submandibular Region in Pediatric Patient: A Case Report

2020 ◽  
Vol 42 (3) ◽  
pp. 106-108
Author(s):  
Rohita Bajracharya ◽  
Heempali Dutta
Keyword(s):  
Case Report ◽  
Thyroid Gland ◽  
Thyroid Tissue ◽  
Surgical Excision ◽  
Ectopic Thyroid ◽  
Anatomical Location ◽  
Rare Presentation ◽  
Submandibular Region ◽  
Normal Thyroid ◽  
Ectopic Thyroid Tissue

Normal anatomical location of thyroid gland is anterior to trachea and larynx. Ectopic thyroid is rare presentation. Ectopic thyroid tissue in submandibular region is even more rare. This article reports a case of five year old child who presented with swelling in left submandibular region which was later diagnosed to be an ectopic thyroid gland with no thyroid tissue in thyroid bed. Although rare, physician should consider possibility of ectopic thyroid in patient presenting with submandibular mass. Ultrasonography should always be performed to confirm presence of normal thyroid gland if surgical excision is planned.

scholarly journals Ectopic lingual thyroid: The role of imaging

1996 ◽  
Vol 1 (4) ◽  
pp. 26-27
Author(s):  
J. Kew ◽  
A. Ahuja ◽  
P. Scott
Keyword(s):  
Computed Tomography ◽  
Thyroid Gland ◽  
Thyroid Tissue ◽  
Tongue Base ◽  
Ectopic Thyroid ◽  
Lingual Thyroid ◽  
Ectopic Thyroid Tissue ◽  
Common Location

Ectopic thyroid tissue may be found throughout the migration course of the thyroid gland. Thyroid ectopy may be partial or total. The most common location of ectopic thyroid tissue is in the tongue base (lingual thyroid). We discuss the computed tomography (CT) and radioisotope findings of a patient with ectopic lingual thyroid.

Dual ectopic thyroid: a report of two cases

1998 ◽  
Vol 112 (4) ◽  
pp. 393-395 ◽  
Author(s):  
Produl Hazarika ◽  
Shahab Ahmed Siddiqui ◽  
Kailesh Pujary ◽  
Parul Shah ◽  
Deepak Ranjan Nayak ◽  
...  
Keyword(s):  
Hyoid Bone ◽  
Thyroid Tissue ◽  
Ectopic Thyroid ◽  
Lingual Thyroid ◽  
Anterior Midline ◽  
Dual Ectopic Thyroid ◽  
A Site

AbstractEctopic thyroid is an uncommon embryological aberrationcharacterized by the presence of thyroid tissue at a site other than in its usual pretracheal region. Usually it occurs along the path of descent of the developing thyroid primodium from the foramen caecum, commonest being lingual followed by sublingual and in the anterior midline of neck at, or below, the level of the hyoid bone. It is unusual for lingual thyroid to present simultaneously with another ectopic thyroid; reported here are two such cases.

Dual ectopic thyroid: report of a case

2003 ◽  
Vol 117 (7) ◽  
pp. 574-576 ◽  
Author(s):  
Tuncay Ulug ◽  
S. Arif Ulubil ◽  
Faruk Alagol
Keyword(s):  
Thyroid Gland ◽  
Treatment Options ◽  
Thyroid Stimulating Hormone ◽  
Ectopic Thyroid ◽  
Anatomical Location ◽  
Lingual Thyroid ◽  
Neck Swelling ◽  
Anterior Midline ◽  
Dual Ectopic Thyroid ◽  
Base Of The Tongue

Dual ectopic thyroid is very rare. We report a case of dual ectopic thyroid in the lingual and infrahyoid areas in a 20-year-old female patient with no thyroid gland in its normal anatomical location. On physical examination, there was a 7 × 5 cm anterior midline neck swelling just below the hyoid bone and a 2 × 2 cm mass in the base of the tongue. Triiodothyronine (T3), thyroxine (T4), and thyroid-stimulating hormone (TSH) levels were normal. A thyroid scan with technetium-99m sodium pertechnate confirmed dual ectopic thyroid with no iodine uptake in the normal anatomical location of the thyroid gland. The infrahyoid ectopic thyroid was surgically removed for cosmetic reasons, and the lingual thyroid, which was symptomatic, was left untouched. The importance of thyroid scanning in the evaluation of anterior midline neck swellings and treatment options are discussed.

scholarly journals Submandibular ectopic thyroid gland: an uncommon presentation

2021 ◽  
Vol 37 (1) ◽  
Author(s):  
Inès Riahi ◽  
Rim Fradi ◽  
Ibtissem Ben Nacef ◽  
Ahlem Blel
Keyword(s):  
Thyroid Gland ◽  
Thyroid Tissue ◽  
Ectopic Thyroid ◽  
Lingual Thyroid ◽  
Submandibular Region ◽  
Case Presentation ◽  
Thyroglossal Duct ◽  
Common Presentation ◽  
Ectopic Thyroid Tissue ◽  
Uncommon Presentation

Abstract Background Ectopic thyroid is a developmental anomaly of the thyroid gland of embryological origin. Instead of having a pretracheal situation, thyroid tissue is elsewhere, most commonly in the median cervical line along the course of the thyroglossal duct. Lingual thyroid is the most common presentation. Ectopic thyroid tissue in the submandibular region has been rarely reported. Case presentation We report herein a case of a 65-year-old man admitted to our department with a complaint of a painless swelling in the left submandibular region. Conclusions Thyroid gland ectopia should be considered among the differential diagnoses of submandibular swelling. Ectopic thyroid tissue can present with the same pathology affecting the normal thyroid gland such as malignancy and hyperthyroidism.

A case of pediatric ectopic thyroid in lateral lymph nodes

2015 ◽  
Vol 28 (1-2) ◽  
Author(s):  
Min Kwan Baek ◽  
Dong Young Kim ◽  
Joo Hyun Woo
Keyword(s):  
Lymph Nodes ◽  
Transport Theory ◽  
Thyroid Tissue ◽  
Ectopic Thyroid ◽  
Lymphatic Transport ◽  
Lingual Thyroid ◽  
Lateral Neck ◽  
Duct Cyst ◽  
Cervical Lymph Nodes ◽  
Posterior Triangle

AbstractOn average, ectopic thyroids are positioned in the embryotic decent path that emerges as a lingual thyroid or a thyroglossal duct cyst. It is uncommon for ectopic thyroids to be located in the lateral neck, which only represents 1%–3% of all cases. Any ectopic thyroids that emerge in the posterior lateral neck in pediatric patients should be regarded as an extremely unique case. We report a 13-year-old boy with ectopic thyroid tissue in the cervical lymph nodes with orthotopic euthyroid thyroid. The masses were located on the left posterior triangle area, which were confirmed as histologic benign thyroid tissue without any malignancy in the head and neck. Authors suggest that this case supports the benign lymphatic transport theory of lateral ectopic thyroid.

Scintigraphic Demonstration of Ectopic Thyroid Tissue in a Thyroglossal Duct Cyst in the Presence of a Normal Thyroid

2011 ◽  
Vol 36 (12) ◽  
pp. 1142-1143 ◽  
Author(s):  
Sampath Santhosh ◽  
Bhagwant Rai Mittal ◽  
Koramadai Karuppusamy Kamaleshwaran ◽  
Rahul Parghane ◽  
Anish Bhattacharya ◽  
...  
Keyword(s):  
Thyroid Tissue ◽  
Thyroglossal Duct Cyst ◽  
Ectopic Thyroid ◽  
Duct Cyst ◽  
Thyroglossal Duct ◽  
Normal Thyroid ◽  
Ectopic Thyroid Tissue

Case of thyroid hemiagenesis and ectopic lingual thyroid presenting as goitre

2008 ◽  
Vol 122 (8) ◽  
Author(s):  
Y S Yang ◽  
K H Hong
Keyword(s):  
World Literature ◽  
Thyroid Tissue ◽  
Ectopic Thyroid ◽  
Lingual Thyroid ◽  
Thyroid Hemiagenesis ◽  
The World ◽  
Right Lobe ◽  
The Right ◽  
A Site ◽  
Common Manifestation

AbstractObjective:We report an extremely rare case of thyroid hemiagenesis with ectopic lingual thyroid.Method:Case report and review of the world literature concerning thyroid hemiagenesis with ectopic lingual thyroid and heredity.Results:Ectopic thyroid is an uncommon embryological aberration characterised by the presence of thyroid tissue in a site other than its usual, pretracheal location. The lingual thyroid is the most common manifestation of benign ectopic thyroid tissue, but is still a rare clinical entity. Thyroid hemiagenesis is also a very rare abnormality, in which one thyroid lobe fails to develop. We report a case of left thyroid hemiagenesis and goitre in the right lobe in a 26-year-old woman with an ectopic lingual thyroid.Conclusion:To our knowledge, this is the first report in the world literature of thyroid hemiagenesis with ectopic lingual thyroid.

Ectopic, submandibular thyroid causing hyperthyroidism

2011 ◽  
Vol 125 (10) ◽  
pp. 1091-1093 ◽  
Author(s):  
S U Eli ◽  
C Marnane ◽  
R Peter ◽  
S Winter
Keyword(s):  
Differential Diagnosis ◽  
English Literature ◽  
Thyroid Tissue ◽  
Ectopic Thyroid ◽  
Subsequent Reduction ◽  
Normal Functioning ◽  
Submandibular Region ◽  
Normal Thyroid ◽  
Ectopic Thyroid Tissue ◽  
Medication Dosage

AbstractBackground:Ectopic thyroid tissue in the submandibular region is exceptionally rare. Nevertheless, the treating physician should consider this condition within the differential diagnosis of a submandibular mass.Method:Case report of ectopic thyroid tissue presenting as a submandibular mass in a patient with hyperthyroidism, together with a review of the English-literature concerning ectopic thyroid tissue.Conclusion:To our knowledge, this is the first report of ectopic thyroid tissue presenting as a submandibular mass and causing hyperthyroidism. Removal of the submandibular mass resulted in normalisation of thyroid function, and subsequent reduction in the patient's antithyroid medication dosage. Ectopic thyroid tissue should be suspected in any patient with a submandibular mass. Prior to resection of such a lesion, it is essential to ensure that normal, functioning thyroid tissue is present elsewhere. Ectopic thyroid tissue can also present with pathology similar to that affecting the normal thyroid gland.

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