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Artículos de revistas sobre el tema "Ectopic Thyroid Tissue"

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Publicado: 7 de junio de 2025
Última modificación: 2 de agosto de 2025

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1

Pierro, Antonio, Savino Cilla, Pietro Modugno, and Giuseppina Sallustio. "Incidental Finding of Dual Ectopic Thyroid on Computed Tomography Angiography." Journal of Clinical Imaging Science 7 (August 3, 2017): 30. http://dx.doi.org/10.4103/jcis.jcis_21_17.

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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 thyro
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2

Hrabovskyi, Yurii V., and Victor F. Zavizion. "Ectopic Location of Thyroid Tissue in the Area of the Temporomandibular Joint. Clinical Case Report." Journal of Internal Medicine: Science & Art 4 (September 12, 2023): 43–46. http://dx.doi.org/10.36013/jimsa.v4i.121.

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Background: The atypical location of organs and tissues in the human body is an important topic and a serious medical problem. Ectopic thyroid tissue is a rare and not fully explored condition. Asymptomatic forms of ectopic thyroid tissue usually do not require special treatment. However, symptomatic patients require special attention. For any localizations, such ectopy may be the only thyroid tissue in the body or exist simultaneously with the normal thyroid gland and have an increased tendency to cancerous transformation. The presence of two or more foci of ectopic thyroid tissue is an even
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3

Kew, J., A. Ahuja, and P. Scott. "Ectopic lingual thyroid: The role of imaging." South African Journal of Radiology 1, no. 4 (1996): 26–27. http://dx.doi.org/10.4102/sajr.v1i4.1596.

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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.
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4

Mahmood, Ejaz, Catherine Anastasopoulou, and Nissa Blocher. "A Rare Case of Aggressive Ectopic Thyroid Cancer in a Patient With Graves Disease." Journal of the Endocrine Society 5, Supplement_1 (2021): A878—A879. http://dx.doi.org/10.1210/jendso/bvab048.1794.

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Abstract Background: Ectopic thyroid tissue is a rare entity with a prevalence of 1 per 300,000 persons. Malignancy in ectopic thyroid tissue is reported in <1% of these cases.[1] We report a case of aggressive papillary carcinoma in ectopic thyroid gland in a patient with Graves’ disease. Case: A 65-year old woman was incidentally found to have a 3.1 cm mass with coarse calcifications in the superior mediastinum on CT scan of chest. Ultrasound confirmed the presence of hypoechoic mass which was separate from thyroid. Additionally, a 0.5cm TI-Rad 4 left thyroid lobe nodule was found. FN
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5

Khawaja, Mustafa, Mohammad Omar, Ali Sa'd, and Osama Hamarneh. "Ectopic thyroid cancer with a normal thyroid gland." International Journal of Case Reports and Images 14, no. 1 (2023): 14–17. http://dx.doi.org/10.5348/101374z01mk2023cr.

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Introduction: Ectopic thyroid tissue may appear in any location along the trajectory of the thyroglossal duct from the foramen cecum to the mediastinum, as either a lingual thyroid or a thyroglossal duct cyst. In rare cases, aberrant migration of the gland can result in lateral ectopic thyroid tissue. As for native thyroid gland, ectopic tissues are subject to malignant transformation. Case Report: A 40-year-old female patient presented with a right-sided neck swelling. She had a history of treated Hodgkin’s lymphoma at the age of 16 years. She has hypothyroidism and on thyroxine and is known
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6

Camargo, Rosalinda Yasato, Cristina Takami Kanamura, Celso Ubirajara Friguglietti, et al. "Histopathological Characterization and Whole Exome Sequencing of Ectopic Thyroid: Fetal Architecture in a Functional Ectopic Gland from Adult Patient." International Journal of Endocrinology 2018 (2018): 1–10. http://dx.doi.org/10.1155/2018/4682876.

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Ectopic thyroid results from a migration defect of the developing gland during embryogenesis causing congenital hypothyroidism. But it has also been detected in asymptomatic individuals. This study aimed to investigate the histopathological, functional, and genetic features of human ectopic thyroids. Six samples were histologically examined, and the expression of the specific thyroid proteins was assessed by immunohistochemistry. Two samples were submitted to whole exome sequencing. An oropharynx sample showed immature fetal architecture tissue with clusters or cords of oval thyrocytes and sma
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7

Dolgopolov, I. S., A. A. Yusufov, E. G. Aleynik, and M. Yu Rykov. "Lingual thyroid ectopia." Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics) 68, no. 4 (2023): 91–95. http://dx.doi.org/10.21508/1027-4065-2023-68-4-91-xx.

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The lingual thyroid gland is an abnormal mass of ectopic thyroid tissue visible at the base of the tongue, caused by an embryological anomaly in the development of the thyroid gland. Identification and symptom-adapted treatment of ectopia are important in preventing hypothyroidism and development of obstructive symptoms. Purpose. To present a case of lingual ectopia of the thyroid gland in a child with an incidentally diagnosed formation of the root of the tongue based on primary ultrasound diagnosis. Material and methods. A 7-year-old boy without clinical signs of hypothyroidism during a rout
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8

Themeli, Yllka, Enkeleda Sinaj, Emira Hysa, Daniela Nakuci, Mehdi Alimehmeti, and George Sakellariou. "Papillary Carcinoma in Thyroglossal Duct Cyst and Thyroid Gland with Hashimoto." Open Access Macedonian Journal of Medical Sciences 10, no. C (2022): 319–22. http://dx.doi.org/10.3889/oamjms.2022.11000.

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The ectopic thyroid gland is a rare condition. In most cases, ectopic thyroid tissue is the only functioning thyroid tissue, but it may rarely be associated with a normal thyroid gland. Ectopic thyroid carcinoma within a thyroglossal duct cyst is a very rare entity, with controversial individual approaches. This encouraged us to present the case of a 31-year- old woman, with papillary thyroid carcinoma in the thyroid gland and in the thyroid ectopic tissue within the thyroglossal duct. After suspicion of thyroid malignancy in the ultrasonography of the neck, FNA-biopsy was performed on the thy
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9

Sugunan, Aneesh, Zahir S. Hussain, Kumaran Muthappan Palaniappan, et al. "Thyroid ectopia: a case series." International Surgery Journal 8, no. 5 (2021): 1570. http://dx.doi.org/10.18203/2349-2902.isj20211830.

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Ectopic thyroid is a form of thyroid dysgenesis and is defined as the presence of thyroid tissue in an abnormal location. Its prevalence is about 1 per 1,00, 000-3,00,000 people, rising to 1 per 4,000-8,000 patients with thyroid diseases. The most common sites of ectopic thyroid are lingual (90%) and anterior neck (10%). They are usually diagnosed with hypothyroidism with a mass with, or without pressure symptoms in the 2nd or 3rd decade of life when there is increased demand of thyroid hormone. Presence of two ectopic foci of thyroid tissue simultaneously is rare, and very few such cases of d
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10

Saha, Somnath, Anirban Ghosh, Sudipta Pal, and V. Padmini Saha. "Ectopic Thyroid Tissue: A Case Series." Philippine Journal of Otolaryngology-Head and Neck Surgery 28, no. 1 (2013): 10–14. http://dx.doi.org/10.32412/pjohns.v28i1.493.

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Objective: To describe the clinical presentation and course of seven ectopic thyroid patients.
 Methods:
 Design: Retrospective Chart Review
 Setting: Tertiary Government Teaching Hospital
 Subjects: Seven patients
 Results: Five patients were female and two were male (ratio of 5:2). Three belonged to the 20 to 30 year-old age group, whereas two were below 10 years of age. All seven were biochemically hypothyroid and ectopic thyroid was found to be the only functioning thyroid tissue.Three patients were managed medically with levothyroxine, while ectopic thyroid was ex
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11

Kumar Choudhury, Bipul, Uma Kaimal Saikia, Dipti Sarma, et al. "Dual Ectopic Thyroid with Normally Located Thyroid: A Case Report." Journal of Thyroid Research 2011 (2011): 1–4. http://dx.doi.org/10.4061/2011/159703.

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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
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12

Evans, Lauran, SeHoon Park, Christie Elliott, and Courtney Garrett. "Ectopic Papillary Carcinoma in the Midline Neck Accompanied by a Benign Thyroid Gland." Case Reports in Otolaryngology 2019 (January 10, 2019): 1–3. http://dx.doi.org/10.1155/2019/9172942.

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Ectopic thyroid tissue can deposit anywhere in the body. There are several cases reporting papillary thyroid carcinoma (PTC) arising from ectopic tissues; however, these cases largely presented with primary PTC within the native thyroid gland as well. Alternatively, some cases report of PTC found solely in an ectopic thyroglossal duct cyst, but reports of isolated malignancy in other types of ectopic thyroid tissue with normal native tissue are sparse throughout the literature. Here, we present an unusual case of PTC in the midline anterior neck that does not appear to be consistent with a thy
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13

Serraj, Mounia, Yassine Ouadnouni, Marouane Lakranbi, et al. "Intratracheal Ectopic Thyroid Tissue." Annals of Thoracic Surgery 95, no. 1 (2013): e13-e14. http://dx.doi.org/10.1016/j.athoracsur.2012.07.067.

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14

Paknezhad, Hassan, Sachi S. Dholakia, and Edward J. Damrose. "Intralaryngeal Ectopic Thyroid Tissue." Ear, Nose & Throat Journal 99, no. 3 (2019): 196–97. http://dx.doi.org/10.1177/0145561319840186.

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15

Hummel, Jed, Jason Wachsmann, Kelley Carrick, Orhan K. Oz, Dana Mathews, and Fangyu Peng. "Ectopic Thyroid Tissue in the Mediastinum Characterized by Histology and Functional Imaging with I-123 SPECT/CT." Case Reports in Radiology 2017 (2017): 1–5. http://dx.doi.org/10.1155/2017/9084207.

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Ectopic thyroid tissue is a rare entity and when discovered it is typically along the pathway of embryologic migration of the thyroid. We present a case of incidental finding of ectopic thyroid tissue within mediastinum in a 61-year-old female patient with a history of total thyroidectomy for thyroiditis and nodules. The patient presented to emergency room with cough and right chest pain and underwent a chest computed tomographic angiogram (CTA) to exclude pulmonary embolism as part of chest pain workup. One right paratracheal mediastinal soft tissue nodule was visualized on the images of CTA.
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16

Brawner, James T., and Greg Krempl. "S173 – Ectopic Intratracheal Thyroid Cancer." Otolaryngology–Head and Neck Surgery 139, no. 2_suppl (2008): P134. http://dx.doi.org/10.1016/j.otohns.2008.05.347.

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Objectives 1) To describe a case of ectopic intratracheal thyroid cancer. 2) To review the literature describing ectopic intratracheal thyroid tissue. Methods Ectopic thyroid tissue is periodically encountered and can sometimes be malignant. The most common locations for ectopic thyroid tissue to be found are the tongue and along the tract of descent of the thyroid gland into the neck. We describe a case of ectopic intratracheal thyroid cancer and review the literature for similar cases. We also discuss possible explanations for this phenomenon. Results A total thyroidectomy with tracheal rese
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17

Buzejić, Matija, Božidar Odalović, Goran Zorić, et al. "Incidence of ectopic thyroid tissue in the adrenal gland." Praxis medica 49, no. 3-4 (2020): 39–42. http://dx.doi.org/10.5937/pramed2004039b.

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Ectopic thyroid tissue is a rare pathological finding bellow the diaphragm and extremely rare finding is ectopic thyroid tissue in the adrenal gland. Thyroid tissue can be located anywhere along the way of embryological migration pathway of thyroglossal duct. In most cases of ectopic thyroid tissue, it is located in the neck. Pathohistologically ectopic thyroid tissue in all cases was formed of follicular cells that expressed TTF-1, Thyroglobulin, PAX8, and cytokeratin 7, and there was lack expression of calretinin. In the literature we found 15 such cases. Women are much more affected than me
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18

Eli, S. U., C. Marnane, R. Peter, and S. Winter. "Ectopic, submandibular thyroid causing hyperthyroidism." Journal of Laryngology & Otology 125, no. 10 (2011): 1091–93. http://dx.doi.org/10.1017/s0022215111000855.

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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 resul
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19

Chowdhury, Md Sunny Anam, Mohshi Um Mokaddema, Tanzina Naushin, et al. "Ectopic thyroid gland- presentation at childhood, adolescent and adult life." Bangladesh Journal of Nuclear Medicine 17, no. 1 (2015): 116–24. http://dx.doi.org/10.3329/bjnm.v17i1.22503.

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Ectopic thyroid is a rare entity that can appear at any age with different presentations. In this study we are reporting four cases of ectopic thyroid gland at different ages; two cases at childhood, one at adolescent and one at adult life. Among the two children, one having ectopic thyroid at the level of hyoid bone, presented with anterior neck swelling with no other symptom and another one having a lingual ectopic thyroid presented with features of hypothyroidism and obstructive features. The cases of adolescent and adult age are very rare cases of dual ectopic thyroid and ectopic thyroid t
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20

Gupta, Sumit, Rajshekar Halkud, KT Siddappa, et al. "Ectopic Thyroid Tissue in the Thyroglossal Cyst Duct: Rare Clinical Entity with Review of Literature." World Journal of Endocrine Surgery 5, no. 2 (2013): 39–44. http://dx.doi.org/10.5005/jp-journals-10002-1124.

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ABSTRACT The ectopic thyroid tissue is a rare developmental abnormality during embryogenesis where the thyroid gland passes from floor of the primitive foregut to its final pretracheal position. Its very important to verify the presence of a normally located normally functioning thyroid gland, thus excluding the possibility of an ectopic thyroid gland which resembles a TDC. A 12-year-old female presented to us with swelling in the midline of the neck region since 1 year. The mass moved with swallowing and protrusion of the tongue. On aspiration biopsy, a colloid material with cyst was confirme
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21

Noussios, George, Panagiotis Anagnostis, Dimitrios G. Goulis, Dimitrios Lappas, and Konstantinos Natsis. "Ectopic thyroid tissue: anatomical, clinical, and surgical implications of a rare entity." European Journal of Endocrinology 165, no. 3 (2011): 375–82. http://dx.doi.org/10.1530/eje-11-0461.

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Ectopic thyroid tissue is a rare entity resulting from developmental defects at early stages of thyroid gland embryogenesis, during its passage from the floor of the primitive foregut to its final pre-tracheal position. It is frequently found around the course of the thyroglossal duct or laterally in the neck, as well as in distant places such as the mediastinum and the subdiaphragmatic organs. Although most cases are asymptomatic, symptoms related to tumor size and its relationship with surrounding tissues may also appear. Any disease affecting the thyroid gland may also involve the ectopic t
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22

Liang, Kuo, Jia Feng Liu, Yue Hua Wang, Guo Cai Tang, Liang Hong Teng, and Fei Li. "Ectopic thyroid presenting as a gallbladder mass." Annals of The Royal College of Surgeons of England 92, no. 4 (2010): e4-e6. http://dx.doi.org/10.1308/147870810x12659688852473.

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The ectopic thyroid tissue is the result of abnormality in embryological development and migration. Ectopic thyroid tissue located in or adjacent to the gallbladder wall is extremely rare with only two cases reported since 1969. These cases were all identified incidentally by pathological examination after cholecystectomy for acute or chronic cholecystitis. We here report a case of ectopic thyroid tissue presenting as a gallbladder mass in a 60-year-old woman who underwent cholecystectomy. Ectopic thyroid tissue in the gallbladder wall was confirmed by histopathology.
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23

Chowdhury, Md Sunny Anam, and Md Abdul Awal. "Papillary Carcinoma Arising From Infrahyoid Ectopic Thyroid Tissue with Hemi-agenesis of Thyroid Gland and Follicular Adenoma with Hürthle Cell Changes in Existing Thyroid Lobe: A Rare Case Report." Bangladesh Journal of Nuclear Medicine 20, no. 1 (2018): 59. http://dx.doi.org/10.3329/bjnm.v20i1.36863.

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<p>Ectopic thyroid tissue is a rare developmental abnormality. An ectopic thyroid tissue can be subject to various pathological processes as normal thyroid tissue including tumorigenesis. This reported case is an extremely rare case of papillary thyroid carcinoma arising from infrahyoid ectopic thyroid tissue with hemiagenesis (left lobe) of thyroid gland and presence of follicular adenoma with Hürthle cell changes in the normal positioned enlarged right thyroid lobe.</p><p> Bangladesh J. Nuclear Med. 20(1): 59-62, January 2017</p>
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24

Bajracharya, Rohita, and Heempali Dutta. "Ectopic Thyroid Tissue in Submandibular Region in Pediatric Patient: A Case Report." Journal of Institute of Medicine Nepal 42, no. 3 (2020): 106–8. http://dx.doi.org/10.3126/jiom.v42i3.37604.

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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 surg
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25

Bajracharya, Rohita, and Heempali Dutta. "Ectopic Thyroid Tissue in Submandibular Region in Pediatric Patient: A Case Report." Journal of Institute of Medicine Nepal 42, no. 3 (2020): 106–8. http://dx.doi.org/10.59779/jiomnepal.1145.

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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 surg
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26

Bhatt, Bhairavi Mohit, Shwetal Uday Pawar, Anuja Anand, Mangala Kedar Ghorpade, and Suruchi Suresh Shetye. "Role of Tc-99m pertechnetate thyroid scintigraphy in evaluation of lingual and midline neck swellings." International Journal of Research in Medical Sciences 6, no. 3 (2018): 842. http://dx.doi.org/10.18203/2320-6012.ijrms20180601.

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Background: The ectopic thyroid tissue in thyroglossal cyst or suprahyoid swelling is one of most important differential to be diagnosed. The purpose of this study was to find out role of Technetium-99m Pertechnetate Thyroid Scintigraphy (TS) to detect functioning thyroid tissue in ectopic locations presenting as midline neck swelling.Methods: A retrospective observational study was done where 26 subjects presenting with midline neck swelling were included. These subjects were injected with 1-5MBq/kg of Technetium-99m Pertechnetate to perform the TS. The uptake of tracer in the midline neck sw
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27

Nambiar, Gokulnath, Harish Eshwarappa, Hema Kini, and Dileep Chidanand. "Isolated thyroid carcinoma in an ectopic thyroid tissue." BMJ Case Reports 14, no. 2 (2021): e239738. http://dx.doi.org/10.1136/bcr-2020-239738.

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Ectopic thyroid tissue (ETT) is a rare developmental abnormality due to aberrant embryogenesis of the thyroid gland. Although rare (<1%), papillary thyroid carcinoma (PTC) is the most common malignant transformation seen. A 34-year-old man presented with neck nodal swelling, on preoperative evaluation, was found to have PT) in ETT with the normal thyroid gland and nodal metastasis. The patient underwent surgery for PTC along with Sistrunk’s procedure and the histopathology revealed ectopic thyroid carcinoma with a normal thyroid and lymph nodal metastasis. Although a rare entity, the possib
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28

Singh, Vartika, Teerthanath Srinivas, Shubha Bhat, and Shreya Goel. "Massive lateral neck mass: aberrant ectopic thyroid malignancy." BMJ Case Reports 14, no. 5 (2021): e241451. http://dx.doi.org/10.1136/bcr-2020-241451.

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Lateral aberrant ectopic thyroid is very rare, comprising only 1%–3% of all the ectopic thyroid tissue. Clinically, these lesions are mistaken for lymph node swelling or metastatic tumour. Primary carcinoma in lateral aberrant ectopic thyroid with normal active native thyroid is very uncommon. We report a case of papillary carcinoma in lateral aberrant ectopic thyroid tissue, with a completely normal native thyroid gland in a 53-year-old man, who presented with a massive swelling in the lateral aspect of the neck clinically and radiologically diagnosed as a malignant soft tissue tumour with di
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29

Kathuria, Sunil, and Chikku Sunny. "Unusual presentation of ectopic thyroid causing respiratory distress." International Journal of Otorhinolaryngology and Head and Neck Surgery 6, no. 6 (2020): 1188. http://dx.doi.org/10.18203/issn.2454-5929.ijohns20202087.

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<p>Internal obstruction of the upper airways can be due to infection, anaphylactic reaction, congenital anomaly, foreign body inhalation or mass. The endoluminal presence of thyroid tissue in the trachea is a rare cause of airway obstruction. Only 14 well documented cases of intratracheal ectopic thyroid tissue have been reported in English literature since 1966. These lesions are mostly benign and nearly all patient present with symptoms of respiratory obstruction. This case report is of a lady who presented with upper airway obstruction due to subglottic ectopic thyroid tissue. An ecto
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30

Karki, B., P. Sharma, and P. G. Ghimire. "Submandibular thyroid." Journal of Institute of Medicine Nepal 32, no. 2 (2010): 53–55. http://dx.doi.org/10.59779/jiomnepal.507.

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Submandibular thyroid is one of the rare locations of ectopic thyroid tissue. Only few cases have been reported in the literature. We report a case of 16 year old female patient presenting with ectopic submandibular thyroid tissue. Diagnosis was based on ultrasound and cytology.
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31

Tsung, Swei H. "Papillary Thyroid Carcinoma Occurring in Branchial Cleft Cyst: Case Report and Review of Literature." European Journal of Medical and Health Sciences 3, no. 2 (2021): 6–8. http://dx.doi.org/10.24018/ejmed.2021.3.2.734.

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Ectopic thyroid tissue is ubiquitous in the body, most frequently seen at the base of tongue, accounting for approximately 95% of reported cases. Branchial cleft cyst, a congenital abnormality, can occasionally harbor thyroid tissue inside the cyst. These ectopic thyroid tissues can develop the same disease as the orthodox thyroid gland, including the malignant diseases. Papillary thyroid carcinoma arising in the branchial cleft cyst was extremely rare, total of only 14 cases were reported in the literature. Herein, I report additional case which was discovered incidentally after surgery.
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32

Malone, Quentin, Jennifer Conn, Michael Gonzales, Andrew Kaye, and Peter Coleman. "Ectopic pituitary fossa thyroid tissue." Journal of Clinical Neuroscience 4, no. 3 (1997): 360–63. http://dx.doi.org/10.1016/s0967-5868(97)90108-9.

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33

Muysoms, Filip, Michaël Boedts, and Donald Claeys. "Intratracheal Ectopic Thyroid Tissue Mass." Chest 112, no. 6 (1997): 1684–85. http://dx.doi.org/10.1378/chest.112.6.1684.

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34

Hussain, S. Zahir, and Muhamed Faizal Ayub. "A case of dual ectopic thyroid." International Surgery Journal 4, no. 8 (2017): 2862. http://dx.doi.org/10.18203/2349-2902.isj20173437.

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The presence of two ectopic foci of thyroid tissue in a single patient is an uncommon presentation. Ectopic thyroid reportedly has a low incidence. We are reporting here a case of dual ectopic thyroid present in the lingual and sub hyoid region in a 33 years old lady with short stature and hypothyroidism. Ultrasonography of the neck had revealed no thyroid gland in its normal anatomical position. The presence of ectopic thyroid tissue in the lingual and sub hyoid region were confirmed with a technetium-99m sodium per technetate thyroid scan.
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35

Agosto-Vargas, Yanery’s, Madeleine Gutiérrez, José Hernán Martínez, et al. "Papillary Thyroid Carcinoma: Ectopic Malignancy versus Metastatic Disease." Case Reports in Endocrinology 2017 (2017): 1–3. http://dx.doi.org/10.1155/2017/9707031.

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Papillary thyroid carcinoma frequently metastasizes to regional lymph nodes. However, cervical lymph node metastasis as a sole manifestation of occult papillary thyroid carcinoma is rarely observed. Ectopic thyroid is an uncommon condition defined as the presence of thyroid tissue at a site other than pretracheal area. Approximately 1–3% of all ectopic thyroid tissue is located in the lateral neck. This entity may represent the only functional thyroid tissue in the body. Malignant transformation of ectopic thyroid is uncommon; but even rarer is the development of papillary carcinoma on it. We
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36

International, Journal of Medical Science and Innovative Research (IJMSIR). "A Bolt from The Blue : Occult Thyroid Carcinoma Presenting As Parapharyngeal Mass." International Journal of Medical Science and Innovative Research (IJMSIR) 9, no. 1 (2024): 27–29. https://doi.org/10.5281/zenodo.15363080.

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<strong>Background: </strong>The presence of ectopic thyroid tissue is a developmental disorder that affects about one per 100,000&ndash;300,000 people. It is extraordinarily rare for ectopic thyroid to lie outside its embryological path. This case is the first to report a papillary ectopic thyroid carcinoma in the parapharyngeal mass. <strong>Case Presentation: </strong>59-year-old male with nil comorbidities presented to our centre with painless growth in left lateral pharyngeal wall. Surprisingly histopathological report revealed papillary thyroid carcinoma in an abbrent thyroid appearing a
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Islam, Md Nazmul, Afroza Naznin, Mohammad Simoon Salekin, et al. "Dual Ectopic Thyroid: A Case Report in a 12 years old girl." Bangladesh Journal of Nuclear Medicine 23, no. 1-2 (2022): 67–69. http://dx.doi.org/10.3329/bjnm.v23i1-2.57713.

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Ectopic thyroid gland is uncommon in our routine clinical practice and among them dual ectopic thyroid appears to be rarer. We report an unusual case of two different locations of ectopic thyroid tissues in the lingual and left submandibular regions of a 12 years old girl who presented with painless, nodular left upper neck swelling. Provisionally, the patient was diagnosed by high resolution ultrasound (HRUS) of neck and confirmed by radionuclide thyroid scan. Thyroid scintigraphy with 99mTc-pertechnetate is highly sensitive but minimally invasive procedure to detect and image the ectopic thy
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Ryu, Han Suk, Yun Jae Chung, SeMin Chong, and Ji In Lee. "Ectopic Intrapulmonary Thyroid Tissue Mimicking Metastatic Tissue." Thyroid 22, no. 7 (2012): 755–59. http://dx.doi.org/10.1089/thy.2012.0014.

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Khandelwal, Yogita, Nishikant Avinash Damle, Mohit Kumar Joshi, Aruna Nambiranjan, Surabhi Jain, and Rajinder Parshad. "SSTR Expressing Mediastinal Ectopic Thyroid: A Rarity Unveiled." Indian Journal of Nuclear Medicine 39, no. 6 (2024): 469–71. https://doi.org/10.4103/ijnm.ijnm_88_24.

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Rarely, ectopic thyroid tissue can coexist with an eutopic thyroid. Technetium pertechnetate scan is peculiar for thyroid tissue uptake. However, DOTANOC uptake in mediastinal ectopic thyroid has been rarely reported. We present a unique case of an ectopic mediastinal thyroid mass that did not show any uptake on a pertechnetate scan and showed significantly increased uptake on 68Ga-DOTANOC positron emission tomography–computed tomography with an eutopic cervical thyroid with normal pertechnetate and physiological mild DOTANOC uptake.
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40

Yee, Yoh Yee, Goh Qing Ci, Low Yen Nee, and Tong Chin Voon. "AN UNUSUAL SITE FOR THYROID CANCER." Journal of the ASEAN Federation of Endocrine Societies 37 (July 15, 2022): 26. https://doi.org/10.15605/jafes.037.s2.12.

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INTRODUCTIONEctopic thyroid tissue is rare, and the prevalence of ectopic thyroid cancer is even rarer. We report the case of a 37-year-old female with ectopic papillary thyroid carcinoma. CASEA 37-year-old female initially presented to the Ear, Nose and Throat (ENT) clinic with a midline upper anterior neck swelling that had gradually increased in size over several months. She did not complain of any compressive or infective symptoms. A computed tomography scan of the neck showed ectopic thyroid at the lingual area, thyroglossal cyst at the hyoid level, posterior to the thyroglossal cyst, and
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41

Kalyan N, Shyam, Deepjoy Basu, Mehak Agarwal, and Dulal Bose. "Lingual and Mediastinal Ectopic Thyroid with No Normal Thyroid Gland – A Very Rare Occurrence." Bengal Journal of Otolaryngology and Head Neck Surgery 27, no. 3 (2019): 251–54. http://dx.doi.org/10.47210/bjohns.2019.v27i3.17.

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Introduction&#x0D; 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.&#x0D; Case Report&#x0D; 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 w
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42

Nguyen, Daniel, Nyein Nyein Htun, Beverly Wang, Bonnie Lee, and Cary Johnson. "An Anaplastic Thyroid Carcinoma of the Giant-Cell Type from a Mediastinal Ectopic Thyroid Gland." Diagnostics 13, no. 18 (2023): 2941. http://dx.doi.org/10.3390/diagnostics13182941.

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Anaplastic thyroid carcinoma is a rare, aggressive form of thyroid carcinoma with a mean survival of less than 6 months. Ectopic thyroid tissue can be present in the mediastinum due to faulty embryogenesis with improper descent. Primary thyroid malignancies may arise from this ectopic tissue. A 90-year-old male with a history of prostatic adenocarcinoma, hypothyroidism, and occupational and therapeutic exposure to radiation presented with a rash on his chest. A review of the dermatopathology and excised mediastinal specimen revealed rare papillary foci that tested positive for thyroid markers
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43

Selen, Bahçeci. "A Rarely Ectopic Localization of Thyroid Gland Due to an Embryological Defect: Lingual Thyroid." Endocrinology and Disorders 2, no. 5 (2018): 01–03. http://dx.doi.org/10.31579/2640-1045/034.

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Ectopic thyroid is a rare embryological aberration which can occur in any moment of the migration of the thyroid resulting in lingual (at tongue base), sublingual (below the tongue), prelaryngeal (in front of the larynx), and substernal (in the mediastinum) ectopy. It is commonly found in the base of the tongue, just behind the foramen cecum, and is subject to the same diseases as the thyroid gland itself. The thyroid gland located at the base of the tongue is called lingual thyroid. Lingual thyroid is the most frequent ectopic location of the thyroid gland, although its prevalance varies betw
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44

Hafidh, Maky A., Patrick Sheahan, Naveed A. Khan, Michael Colreavy, and Conrad Timon. "Role of CO2 laser in the management of obstructive ectopic lingual thyroids." Journal of Laryngology & Otology 118, no. 10 (2004): 807–9. http://dx.doi.org/10.1258/0022215042450634.

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Ectopic lingual thyroid glands may occasionally undergo massive hypertrophyand be a source of airway obstruction. Securing the airway prior to surgery in such cases may be difficult. In the present paper, we report on two cases of obstructive ectopic lingual thyroids which were successfully managed endoscopically using CO2 laser. The use of CO2 laser for removal of ectopic lingual thyroid tissue offers advantages over traditionalsurgical techniques. In our opinion, removal of an appropriate amount of gland to secure an adequate airway is all that is required in most cases.
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45

Çeliker, Metin, Fatma Beyazal Çeliker, Arzu Turan, Mehmet Beyazal, and Hatice Beyazal Polat. "Submandibular Lateral Ectopic Thyroid Tissue: Ultrasonography, Computed Tomography, and Scintigraphic Findings." Case Reports in Otolaryngology 2015 (2015): 1–4. http://dx.doi.org/10.1155/2015/769604.

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Ectopic thyroid can be encountered anywhere between the base of tongue and pretracheal region. The most common form is euthyroid neck mass. Herein, we aimed to present the findings of a female case with ectopic thyroid tissue localized in the left submandibular region. A 44-year-old female patient, who underwent bilateral subtotal thyroidectomy four years ago with the diagnosis of multinodular goiter, was admitted to our hospital due to a mass localized in the left submandibular area that gradually increased in the last six months. Neck ultrasonography, contrast-enhanced computed tomography, a
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46

Begum, N., KZ Shah, and MMR Khan. "Ectopic Thyroid Incidence with its Hormonal Assessment." TAJ: Journal of Teachers Association 23, no. 1 (2010): 18–21. http://dx.doi.org/10.3329/taj.v23i1.41125.

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Ectopic thyroid tissue has been found from the tongue to the diaphragm. Ninety percent of the reported cases of ectopic thyroid are found in the base of the tongue Total numbers of 1895 cases were included in this study. Patients were sending to CNMU-Rajshahi during the period of January’2006 to June 2009 for thyroid scanning as well as evaluation of thyroid functional status. Radio-active iodine drink / Tc99m pertachnatate I/V were given to the patients for thyroid scan. Biochemical analyses were done for the ectopic thyroid patient. Among them 17.85% patients had hypothyroidism. Only 1.5%(28
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47

Naznin, Afroza, Mohammad Simoon Salekin, Farida Yasmin, Samira Sharmin, Md Monir Uddin, and Hosne Ara Rahman. "A Rare Instance of Co-existing Malignancy in Ectopic and Orthotopic Thyroid Gland." Bangladesh Journal of Nuclear Medicine 27, no. 2 (2025): 317–19. https://doi.org/10.3329/bjnm.v27i2.79232.

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Ectopic thyroid tissue can be found anywhere in the midline from the base of the tongue to mediastinum. Ectopic thyroid tissue may also be involved in the same pathological processes like tumors, inflammation and hyperplasia as normal, orthotopic thyroid gland. Besides, the appearance of such tissue in rare locations may result in diagnostic and therapeutic dilemmas. We report an extremely rare case of simultaneously occurring papillary carcinoma in ectopic subglottic thyroid and orthotopic thyroid gland in a young Asian male. The patient presented with symptoms completely unrelated to thyroid
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48

Hansen, Marie-Louise Uhre, Thomas Vedtofte, Irene Wessel, and Mikkel Kaltoft. "Submandibular ectopic thyroid tissue and concurrent thyroid hemiagenesis." Acta Oto-Laryngologica Case Reports 6, no. 1 (2021): 91–95. http://dx.doi.org/10.1080/23772484.2021.2004151.

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Denadai, Rafael, and Luίs Ricardo Martinhão Souto. "More on the management of lateral neck ectopic thyroid tissue." HORMONES 11, no. 3 (2012): 380–81. http://dx.doi.org/10.14310/horm.2002.1369.

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50

Cho, Min Young, and Dong Young Kim. "Ectopic Thyroid Mimicking Lymph Node Metastasis of Thyroid Cancer." Korean Journal of Otorhinolaryngology-Head and Neck Surgery 66, no. 6 (2023): 417–21. http://dx.doi.org/10.3342/kjorl-hns.2023.00381.

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Ectopic thyroid is a rare disease that occurs due to an error in the developmental stage of the embryo where the normal thyroid tissue is positioned at an area other than its normal site of the 2nd to 4th pretracheal area. Usually, the ectopic thyroid is discovered at the midline of a patient. We present this rare case of lateral ectopic thyroid mimicking the lymph node metastasis of thyroid cancer.
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